{
  "containers": {
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        {
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          "product": "Linux",
          "programFiles": [
            "fs/btrfs/zoned.c"
          ],
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          "vendor": "Linux",
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              "version": "e91dab550dd1d2221333cac9f5c012ab5193696f",
              "versionType": "git"
            },
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              "status": "affected",
              "version": "6.10.10",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.11"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.26",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.14.*",
              "status": "unaffected",
              "version": "6.14.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.15",
              "versionType": "original_commit_for_fix"
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          "nodes": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.26",
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                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "6.14.5",
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                {
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              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: zoned: return EIO on RAID1 block group write pointer mismatch\n\nThere was a bug report about a NULL pointer dereference in\n__btrfs_add_free_space_zoned() that ultimately happens because a\nconversion from the default metadata profile DUP to a RAID1 profile on two\ndisks.\n\nThe stack trace has the following signature:\n\n  BTRFS error (device sdc): zoned: write pointer offset mismatch of zones in raid1 profile\n  BUG: kernel NULL pointer dereference, address: 0000000000000058\n  #PF: supervisor read access in kernel mode\n  #PF: error_code(0x0000) - not-present page\n  PGD 0 P4D 0\n  Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI\n  RIP: 0010:__btrfs_add_free_space_zoned.isra.0+0x61/0x1a0\n  RSP: 0018:ffffa236b6f3f6d0 EFLAGS: 00010246\n  RAX: 0000000000000000 RBX: ffff96c8132f3400 RCX: 0000000000000001\n  RDX: 0000000010000000 RSI: 0000000000000000 RDI: ffff96c8132f3410\n  RBP: 0000000010000000 R08: 0000000000000003 R09: 0000000000000000\n  R10: 0000000000000000 R11: 00000000ffffffff R12: 0000000000000000\n  R13: ffff96c758f65a40 R14: 0000000000000001 R15: 000011aac0000000\n  FS: 00007fdab1cb2900(0000) GS:ffff96e60ca00000(0000) knlGS:0000000000000000\n  CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n  CR2: 0000000000000058 CR3: 00000001a05ae000 CR4: 0000000000350ef0\n  Call Trace:\n  \u003cTASK\u003e\n  ? __die_body.cold+0x19/0x27\n  ? page_fault_oops+0x15c/0x2f0\n  ? exc_page_fault+0x7e/0x180\n  ? asm_exc_page_fault+0x26/0x30\n  ? __btrfs_add_free_space_zoned.isra.0+0x61/0x1a0\n  btrfs_add_free_space_async_trimmed+0x34/0x40\n  btrfs_add_new_free_space+0x107/0x120\n  btrfs_make_block_group+0x104/0x2b0\n  btrfs_create_chunk+0x977/0xf20\n  btrfs_chunk_alloc+0x174/0x510\n  ? srso_return_thunk+0x5/0x5f\n  btrfs_inc_block_group_ro+0x1b1/0x230\n  btrfs_relocate_block_group+0x9e/0x410\n  btrfs_relocate_chunk+0x3f/0x130\n  btrfs_balance+0x8ac/0x12b0\n  ? srso_return_thunk+0x5/0x5f\n  ? srso_return_thunk+0x5/0x5f\n  ? __kmalloc_cache_noprof+0x14c/0x3e0\n  btrfs_ioctl+0x2686/0x2a80\n  ? srso_return_thunk+0x5/0x5f\n  ? ioctl_has_perm.constprop.0.isra.0+0xd2/0x120\n  __x64_sys_ioctl+0x97/0xc0\n  do_syscall_64+0x82/0x160\n  ? srso_return_thunk+0x5/0x5f\n  ? __memcg_slab_free_hook+0x11a/0x170\n  ? srso_return_thunk+0x5/0x5f\n  ? kmem_cache_free+0x3f0/0x450\n  ? srso_return_thunk+0x5/0x5f\n  ? srso_return_thunk+0x5/0x5f\n  ? syscall_exit_to_user_mode+0x10/0x210\n  ? srso_return_thunk+0x5/0x5f\n  ? do_syscall_64+0x8e/0x160\n  ? sysfs_emit+0xaf/0xc0\n  ? srso_return_thunk+0x5/0x5f\n  ? srso_return_thunk+0x5/0x5f\n  ? seq_read_iter+0x207/0x460\n  ? srso_return_thunk+0x5/0x5f\n  ? vfs_read+0x29c/0x370\n  ? srso_return_thunk+0x5/0x5f\n  ? srso_return_thunk+0x5/0x5f\n  ? syscall_exit_to_user_mode+0x10/0x210\n  ? srso_return_thunk+0x5/0x5f\n  ? do_syscall_64+0x8e/0x160\n  ? srso_return_thunk+0x5/0x5f\n  ? exc_page_fault+0x7e/0x180\n  entry_SYSCALL_64_after_hwframe+0x76/0x7e\n  RIP: 0033:0x7fdab1e0ca6d\n  RSP: 002b:00007ffeb2b60c80 EFLAGS: 00000246 ORIG_RAX: 0000000000000010\n  RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdab1e0ca6d\n  RDX: 00007ffeb2b60d80 RSI: 00000000c4009420 RDI: 0000000000000003\n  RBP: 00007ffeb2b60cd0 R08: 0000000000000000 R09: 0000000000000013\n  R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\n  R13: 00007ffeb2b6343b R14: 00007ffeb2b60d80 R15: 0000000000000001\n  \u003c/TASK\u003e\n  CR2: 0000000000000058\n  ---[ end trace 0000000000000000 ]---\n\nThe 1st line is the most interesting here:\n\n BTRFS error (device sdc): zoned: write pointer offset mismatch of zones in raid1 profile\n\nWhen a RAID1 block-group is created and a write pointer mismatch between\nthe disks in the RAID set is detected, btrfs sets the alloc_offset to the\nlength of the block group marking it as full. Afterwards the code expects\nthat a balance operation will evacuate the data in this block-group and\nrepair the problems.\n\nBut before this is possible, the new space of this block-group will be\naccounted in the free space cache. But in __btrfs_\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-23T15:58:19.881Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "references": [
        {
          "url": "https://git.kernel.org/stable/c/9a447f748f6c7287dad68fa91913cd382fa0fcc8"
        },
        {
          "url": "https://git.kernel.org/stable/c/f4717a02cc422cf4bb2dbb280b154a1ae65c5f84"
        },
        {
          "url": "https://git.kernel.org/stable/c/b0c26f47992672661340dd6ea931240213016609"
        }
      ],
      "title": "btrfs: zoned: return EIO on RAID1 block group write pointer mismatch",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-37827",
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    "dateReserved": "2025-04-16T04:51:23.950Z",
    "dateUpdated": "2026-05-23T15:58:19.881Z",
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              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-21957",
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                    "Automatable": "no"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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              "status": "affected",
              "version": "2.6.24"
            },
            {
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              "status": "unaffected",
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              "status": "unaffected",
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            {
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              "status": "unaffected",
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              "status": "unaffected",
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            {
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              "status": "unaffected",
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            {
              "lessThanOrEqual": "6.13.*",
              "status": "unaffected",
              "version": "6.13.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
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              "versionType": "original_commit_for_fix"
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      "descriptions": [
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          "lang": "en",
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        }
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        },
        {
          "url": "https://git.kernel.org/stable/c/5233e3235dec3065ccc632729675575dbe3c6b8a"
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      ],
      "title": "scsi: qla1280: Fix kernel oops when debug level \u003e 2",
      "x_generator": {
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      }
    }
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-21957",
    "datePublished": "2025-04-01T15:46:56.733Z",
    "dateReserved": "2024-12-29T08:45:45.791Z",
    "dateUpdated": "2026-05-11T21:09:49.013Z",
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  },
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              "confidentialityImpact": "NONE",
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          },
          {
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                "id": "CVE-2025-21930",
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              {
                "description": "CWE-noinfo Not enough information",
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                "type": "CWE"
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-01T19:26:33.582Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix data-races around sk-\u003esk_forward_alloc\n\nSyzkaller reported this warning:\n ------------[ cut here ]------------\n WARNING: CPU: 0 PID: 16 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x1c5/0x1e0\n Modules linked in:\n CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.12.0-rc5 #26\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\n RIP: 0010:inet_sock_destruct+0x1c5/0x1e0\n Code: 24 12 4c 89 e2 5b 48 c7 c7 98 ec bb 82 41 5c e9 d1 18 17 ff 4c 89 e6 5b 48 c7 c7 d0 ec bb 82 41 5c e9 bf 18 17 ff 0f 0b eb 83 \u003c0f\u003e 0b eb 97 0f 0b eb 87 0f 0b e9 68 ff ff ff 66 66 2e 0f 1f 84 00\n RSP: 0018:ffffc9000008bd90 EFLAGS: 00010206\n RAX: 0000000000000300 RBX: ffff88810b172a90 RCX: 0000000000000007\n RDX: 0000000000000002 RSI: 0000000000000300 RDI: ffff88810b172a00\n RBP: ffff88810b172a00 R08: ffff888104273c00 R09: 0000000000100007\n R10: 0000000000020000 R11: 0000000000000006 R12: ffff88810b172a00\n R13: 0000000000000004 R14: 0000000000000000 R15: ffff888237c31f78\n FS:  0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00007ffc63fecac8 CR3: 000000000342e000 CR4: 00000000000006f0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n Call Trace:\n  \u003cTASK\u003e\n  ? __warn+0x88/0x130\n  ? inet_sock_destruct+0x1c5/0x1e0\n  ? report_bug+0x18e/0x1a0\n  ? handle_bug+0x53/0x90\n  ? exc_invalid_op+0x18/0x70\n  ? asm_exc_invalid_op+0x1a/0x20\n  ? inet_sock_destruct+0x1c5/0x1e0\n  __sk_destruct+0x2a/0x200\n  rcu_do_batch+0x1aa/0x530\n  ? rcu_do_batch+0x13b/0x530\n  rcu_core+0x159/0x2f0\n  handle_softirqs+0xd3/0x2b0\n  ? __pfx_smpboot_thread_fn+0x10/0x10\n  run_ksoftirqd+0x25/0x30\n  smpboot_thread_fn+0xdd/0x1d0\n  kthread+0xd3/0x100\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork+0x34/0x50\n  ? __pfx_kthread+0x10/0x10\n  ret_from_fork_asm+0x1a/0x30\n  \u003c/TASK\u003e\n ---[ end trace 0000000000000000 ]---\n\nIts possible that two threads call tcp_v6_do_rcv()/sk_forward_alloc_add()\nconcurrently when sk-\u003esk_state == TCP_LISTEN with sk-\u003esk_lock unlocked,\nwhich triggers a data-race around sk-\u003esk_forward_alloc:\ntcp_v6_rcv\n    tcp_v6_do_rcv\n        skb_clone_and_charge_r\n            sk_rmem_schedule\n                __sk_mem_schedule\n                    sk_forward_alloc_add()\n            skb_set_owner_r\n                sk_mem_charge\n                    sk_forward_alloc_add()\n        __kfree_skb\n            skb_release_all\n                skb_release_head_state\n                    sock_rfree\n                        sk_mem_uncharge\n                            sk_forward_alloc_add()\n                            sk_mem_reclaim\n                                // set local var reclaimable\n                                __sk_mem_reclaim\n                                    sk_forward_alloc_add()\n\nIn this syzkaller testcase, two threads call\ntcp_v6_do_rcv() with skb-\u003etruesize=768, the sk_forward_alloc changes like\nthis:\n (cpu 1)             | (cpu 2)             | sk_forward_alloc\n ...                 | ...                 | 0\n __sk_mem_schedule() |                     | +4096 = 4096\n                     | __sk_mem_schedule() | +4096 = 8192\n sk_mem_charge()     |                     | -768  = 7424\n                     | sk_mem_charge()     | -768  = 6656\n ...                 |    ...              |\n sk_mem_uncharge()   |                     | +768  = 7424\n reclaimable=7424    |                     |\n                     | sk_mem_uncharge()   | +768  = 8192\n                     | reclaimable=8192    |\n __sk_mem_reclaim()  |                     | -4096 = 4096\n                     | __sk_mem_reclaim()  | -8192 = -4096 != 0\n\nThe skb_clone_and_charge_r() should not be called in tcp_v6_do_rcv() when\nsk-\u003esk_state is TCP_LISTEN, it happens later in tcp_v6_syn_recv_sock().\nFix the same issue in dccp_v6_do_rcv()."
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              "value": "AV:N - The vulnerable code is in the IPv6 TCP receive path (`tcp_v6_rcv()` \u2192 `tcp_v6_do_rcv()`), executed directly on inbound SYN packets from any remote peer; a remote attacker reaches it by sending TCP/IPv6 segments to a listening socket. The same defect exists in the DCCP IPv6 receive path.\nAC:L - The attacker controls both sides of the race by sending a burst of concurrent SYNs from different source ports/addresses, which RSS/RPS distributes across CPUs that all enter `tcp_v6_do_rcv()` on the same listener with no socket lock held. No memory layout, timing window outside attacker influence, or victim state is required, and syzkaller reproduces it routinely.\nPR:N - The racing code runs while processing a SYN on a listening socket, entirely before connection establishment or any authentication, so no credentials of any kind are needed. Setting the `IPV6_RECV*` option that arms the path is done by the victim server (or by an unprivileged local user on their own listener), not by the attacker.\nUI:N - Triggering requires only that packets be sent to an already-listening socket; no action by any local user or administrator is needed.\nS:U - The corrupted state (`sk-\u003esk_forward_alloc`, `tcp_memory_allocated`, memcg skmem counters) and the resulting warning/panic are all within the kernel\u0027s own security authority, with no crossing into a hypervisor, IOMMU, or other separate authority.\nC:N - The defect is a non-atomic read-modify-write on integer accounting counters; it produces no out-of-bounds read, no use-after-free, and no path by which memory contents or kernel pointers are disclosed to the attacker.\nI:N - No attacker-controlled data is written and no memory corruption primitive is created \u2014 only the socket\u0027s own memory-accounting counters become inconsistent, which is not a modification of protected data or control flow.\nA:H - The imbalance trips `WARN_ON_ONCE(sk_forward_alloc_get(sk))` in `inet_sock_destruct()` from softirq context, which is an immediate kernel panic on `panic_on_warn` systems, and the over-reclaim corrupts the global `tcp_memory_allocated` counter and memcg skmem accounting, breaking system-wide TCP memory limits (unbounded growth toward OOM, or permanent memory pressure across all TCP sockets). It is repeatable at will by an unauthenticated remote attacker."
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: rtl8150: enable basic endpoint checking\n\nSyzkaller reports [1] encountering a common issue of utilizing a wrong\nusb endpoint type during URB submitting stage. This, in turn, triggers\na warning shown below.\n\nFor now, enable simple endpoint checking (specifically, bulk and\ninterrupt eps, testing control one is not essential) to mitigate\nthe issue with a view to do other related cosmetic changes later,\nif they are necessary.\n\n[1] Syzkaller report:\nusb 1-1: BOGUS urb xfer, pipe 3 != type 1\nWARNING: CPU: 1 PID: 2586 at drivers/usb/core/urb.c:503 usb_submit_urb+0xe4b/0x1730 driv\u003e\nModules linked in:\nCPU: 1 UID: 0 PID: 2586 Comm: dhcpcd Not tainted 6.11.0-rc4-syzkaller-00069-gfc88bb11617\u003e\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\nRIP: 0010:usb_submit_urb+0xe4b/0x1730 drivers/usb/core/urb.c:503\nCode: 84 3c 02 00 00 e8 05 e4 fc fc 4c 89 ef e8 fd 25 d7 fe 45 89 e0 89 e9 4c 89 f2 48 8\u003e\nRSP: 0018:ffffc9000441f740 EFLAGS: 00010282\nRAX: 0000000000000000 RBX: ffff888112487a00 RCX: ffffffff811a99a9\nRDX: ffff88810df6ba80 RSI: ffffffff811a99b6 RDI: 0000000000000001\nRBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001\nR13: ffff8881023bf0a8 R14: ffff888112452a20 R15: ffff888112487a7c\nFS:  00007fc04eea5740(0000) GS:ffff8881f6300000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f0a1de9f870 CR3: 000000010dbd0000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \u003cTASK\u003e\n rtl8150_open+0x300/0xe30 drivers/net/usb/rtl8150.c:733\n __dev_open+0x2d4/0x4e0 net/core/dev.c:1474\n __dev_change_flags+0x561/0x720 net/core/dev.c:8838\n dev_change_flags+0x8f/0x160 net/core/dev.c:8910\n devinet_ioctl+0x127a/0x1f10 net/ipv4/devinet.c:1177\n inet_ioctl+0x3aa/0x3f0 net/ipv4/af_inet.c:1003\n sock_do_ioctl+0x116/0x280 net/socket.c:1222\n sock_ioctl+0x22e/0x6c0 net/socket.c:1341\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:907 [inline]\n __se_sys_ioctl fs/ioctl.c:893 [inline]\n __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:893\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7fc04ef73d49\n...\n\nThis change has not been tested on real hardware."
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: fgraph: Fix stack layout to match __arch_ftrace_regs argument of ftrace_return_to_handler\n\nNaresh Kamboju reported a \"Bad frame pointer\" kernel warning while\nrunning LTP trace ftrace_stress_test.sh in riscv. We can reproduce the\nsame issue with the following command:\n\n```\n$ cd /sys/kernel/debug/tracing\n$ echo \u0027f:myprobe do_nanosleep%return args1=$retval\u0027 \u003e dynamic_events\n$ echo 1 \u003e events/fprobes/enable\n$ echo 1 \u003e tracing_on\n$ sleep 1\n```\n\nAnd we can get the following kernel warning:\n\n[  127.692888] ------------[ cut here ]------------\n[  127.693755] Bad frame pointer: expected ff2000000065be50, received ba34c141e9594000\n[  127.693755]   from func do_nanosleep return to ffffffff800ccb16\n[  127.698699] WARNING: CPU: 1 PID: 129 at kernel/trace/fgraph.c:755 ftrace_return_to_handler+0x1b2/0x1be\n[  127.699894] Modules linked in:\n[  127.700908] CPU: 1 UID: 0 PID: 129 Comm: sleep Not tainted 6.14.0-rc3-g0ab191c74642 #32\n[  127.701453] Hardware name: riscv-virtio,qemu (DT)\n[  127.701859] epc : ftrace_return_to_handler+0x1b2/0x1be\n[  127.702032]  ra : ftrace_return_to_handler+0x1b2/0x1be\n[  127.702151] epc : ffffffff8013b5e0 ra : ffffffff8013b5e0 sp : ff2000000065bd10\n[  127.702221]  gp : ffffffff819c12f8 tp : ff60000080853100 t0 : 6e00000000000000\n[  127.702284]  t1 : 0000000000000020 t2 : 6e7566206d6f7266 s0 : ff2000000065bd80\n[  127.702346]  s1 : ff60000081262000 a0 : 000000000000007b a1 : ffffffff81894f20\n[  127.702408]  a2 : 0000000000000010 a3 : fffffffffffffffe a4 : 0000000000000000\n[  127.702470]  a5 : 0000000000000000 a6 : 0000000000000008 a7 : 0000000000000038\n[  127.702530]  s2 : ba34c141e9594000 s3 : 0000000000000000 s4 : ff2000000065bdd0\n[  127.702591]  s5 : 00007fff8adcf400 s6 : 000055556dc1d8c0 s7 : 0000000000000068\n[  127.702651]  s8 : 00007fff8adf5d10 s9 : 000000000000006d s10: 0000000000000001\n[  127.702710]  s11: 00005555737377c8 t3 : ffffffff819d899e t4 : ffffffff819d899e\n[  127.702769]  t5 : ffffffff819d89a0 t6 : ff2000000065bb18\n[  127.702826] status: 0000000200000120 badaddr: 0000000000000000 cause: 0000000000000003\n[  127.703292] [\u003cffffffff8013b5e0\u003e] ftrace_return_to_handler+0x1b2/0x1be\n[  127.703760] [\u003cffffffff80017bce\u003e] return_to_handler+0x16/0x26\n[  127.704009] [\u003cffffffff80017bb8\u003e] return_to_handler+0x0/0x26\n[  127.704057] [\u003cffffffff800d3352\u003e] common_nsleep+0x42/0x54\n[  127.704117] [\u003cffffffff800d44a2\u003e] __riscv_sys_clock_nanosleep+0xba/0x10a\n[  127.704176] [\u003cffffffff80901c56\u003e] do_trap_ecall_u+0x188/0x218\n[  127.704295] [\u003cffffffff8090cc3e\u003e] handle_exception+0x14a/0x156\n[  127.705436] ---[ end trace 0000000000000000 ]---\n\nThe reason is that the stack layout for constructing argument for the\nftrace_return_to_handler in the return_to_handler does not match the\n__arch_ftrace_regs structure of riscv, leading to unexpected results."
        }
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix NULL pointer dereference in tipc_mon_reinit_self()\n\nsyzbot reported:\n\ntipc: Node number set to 1055423674\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 3 UID: 0 PID: 6017 Comm: kworker/3:5 Not tainted 6.15.0-rc1-syzkaller-00246-g900241a5cc15 #0 PREEMPT(full)\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\nWorkqueue: events tipc_net_finalize_work\nRIP: 0010:tipc_mon_reinit_self+0x11c/0x210 net/tipc/monitor.c:719\n...\nRSP: 0018:ffffc9000356fb68 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000003ee87cba\nRDX: 0000000000000000 RSI: ffffffff8dbc56a7 RDI: ffff88804c2cc010\nRBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000007\nR13: fffffbfff2111097 R14: ffff88804ead8000 R15: ffff88804ead9010\nFS:  0000000000000000(0000) GS:ffff888097ab9000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00000000f720eb00 CR3: 000000000e182000 CR4: 0000000000352ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \u003cTASK\u003e\n tipc_net_finalize+0x10b/0x180 net/tipc/net.c:140\n process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238\n process_scheduled_works kernel/workqueue.c:3319 [inline]\n worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400\n kthread+0x3c2/0x780 kernel/kthread.c:464\n ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245\n \u003c/TASK\u003e\n...\nRIP: 0010:tipc_mon_reinit_self+0x11c/0x210 net/tipc/monitor.c:719\n...\nRSP: 0018:ffffc9000356fb68 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000003ee87cba\nRDX: 0000000000000000 RSI: ffffffff8dbc56a7 RDI: ffff88804c2cc010\nRBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000007\nR13: fffffbfff2111097 R14: ffff88804ead8000 R15: ffff88804ead9010\nFS:  0000000000000000(0000) GS:ffff888097ab9000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00000000f720eb00 CR3: 000000000e182000 CR4: 0000000000352ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n\nThere is a racing condition between workqueue created when enabling\nbearer and another thread created when disabling bearer right after\nthat as follow:\n\nenabling_bearer                          | disabling_bearer\n---------------                          | ----------------\ntipc_disc_timeout()                      |\n{                                        | bearer_disable()\n ...                                     | {\n schedule_work(\u0026tn-\u003ework);               |  tipc_mon_delete()\n ...                                     |  {\n}                                        |   ...\n                                         |   write_lock_bh(\u0026mon-\u003elock);\n                                         |   mon-\u003eself = NULL;\n                                         |   write_unlock_bh(\u0026mon-\u003elock);\n                                         |   ...\n                                         |  }\ntipc_net_finalize_work()                 | }\n{                                        |\n ...                                     |\n tipc_net_finalize()                     |\n {                                       |\n  ...                                    |\n  tipc_mon_reinit_self()                 |\n  {                                      |\n   ...                                   |\n   write_lock_bh(\u0026mon-\u003elock);            |\n   mon-\u003eself-\u003eaddr = tipc_own_addr(net); |\n   write_unlock_bh(\u0026mon-\u003elock);          |\n   ...             \n---truncated---"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix use-after-free in smb2_lock\n\nIf smb_lock-\u003ezero_len has value, -\u003ellist of smb_lock is not delete and\nflock is old one. It will cause use-after-free on error handling\nroutine."
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      "title": "ksmbd: fix use-after-free in smb2_lock",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-21945",
    "datePublished": "2025-04-01T15:41:08.471Z",
    "dateReserved": "2024-12-29T08:45:45.790Z",
    "dateUpdated": "2026-08-05T11:55:30.419Z",
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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ibmveth: make veth_pool_store stop hanging\n\nv2:\n- Created a single error handling unlock and exit in veth_pool_store\n- Greatly expanded commit message with previous explanatory-only text\n\nSummary: Use rtnl_mutex to synchronize veth_pool_store with itself,\nibmveth_close and ibmveth_open, preventing multiple calls in a row to\nnapi_disable.\n\nBackground: Two (or more) threads could call veth_pool_store through\nwriting to /sys/devices/vio/30000002/pool*/*. You can do this easily\nwith a little shell script. This causes a hang.\n\nI configured LOCKDEP, compiled ibmveth.c with DEBUG, and built a new\nkernel. I ran this test again and saw:\n\n    Setting pool0/active to 0\n    Setting pool1/active to 1\n    [   73.911067][ T4365] ibmveth 30000002 eth0: close starting\n    Setting pool1/active to 1\n    Setting pool1/active to 0\n    [   73.911367][ T4366] ibmveth 30000002 eth0: close starting\n    [   73.916056][ T4365] ibmveth 30000002 eth0: close complete\n    [   73.916064][ T4365] ibmveth 30000002 eth0: open starting\n    [  110.808564][  T712] systemd-journald[712]: Sent WATCHDOG=1 notification.\n    [  230.808495][  T712] systemd-journald[712]: Sent WATCHDOG=1 notification.\n    [  243.683786][  T123] INFO: task stress.sh:4365 blocked for more than 122 seconds.\n    [  243.683827][  T123]       Not tainted 6.14.0-01103-g2df0c02dab82-dirty #8\n    [  243.683833][  T123] \"echo 0 \u003e /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n    [  243.683838][  T123] task:stress.sh       state:D stack:28096 pid:4365  tgid:4365  ppid:4364   task_flags:0x400040 flags:0x00042000\n    [  243.683852][  T123] Call Trace:\n    [  243.683857][  T123] [c00000000c38f690] [0000000000000001] 0x1 (unreliable)\n    [  243.683868][  T123] [c00000000c38f840] [c00000000001f908] __switch_to+0x318/0x4e0\n    [  243.683878][  T123] [c00000000c38f8a0] [c000000001549a70] __schedule+0x500/0x12a0\n    [  243.683888][  T123] [c00000000c38f9a0] [c00000000154a878] schedule+0x68/0x210\n    [  243.683896][  T123] [c00000000c38f9d0] [c00000000154ac80] schedule_preempt_disabled+0x30/0x50\n    [  243.683904][  T123] [c00000000c38fa00] [c00000000154dbb0] __mutex_lock+0x730/0x10f0\n    [  243.683913][  T123] [c00000000c38fb10] [c000000001154d40] napi_enable+0x30/0x60\n    [  243.683921][  T123] [c00000000c38fb40] [c000000000f4ae94] ibmveth_open+0x68/0x5dc\n    [  243.683928][  T123] [c00000000c38fbe0] [c000000000f4aa20] veth_pool_store+0x220/0x270\n    [  243.683936][  T123] [c00000000c38fc70] [c000000000826278] sysfs_kf_write+0x68/0xb0\n    [  243.683944][  T123] [c00000000c38fcb0] [c0000000008240b8] kernfs_fop_write_iter+0x198/0x2d0\n    [  243.683951][  T123] [c00000000c38fd00] [c00000000071b9ac] vfs_write+0x34c/0x650\n    [  243.683958][  T123] [c00000000c38fdc0] [c00000000071bea8] ksys_write+0x88/0x150\n    [  243.683966][  T123] [c00000000c38fe10] [c0000000000317f4] system_call_exception+0x124/0x340\n    [  243.683973][  T123] [c00000000c38fe50] [c00000000000d05c] system_call_vectored_common+0x15c/0x2ec\n    ...\n    [  243.684087][  T123] Showing all locks held in the system:\n    [  243.684095][  T123] 1 lock held by khungtaskd/123:\n    [  243.684099][  T123]  #0: c00000000278e370 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x50/0x248\n    [  243.684114][  T123] 4 locks held by stress.sh/4365:\n    [  243.684119][  T123]  #0: c00000003a4cd3f8 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x88/0x150\n    [  243.684132][  T123]  #1: c000000041aea888 (\u0026of-\u003emutex#2){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x154/0x2d0\n    [  243.684143][  T123]  #2: c0000000366fb9a8 (kn-\u003eactive#64){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x160/0x2d0\n    [  243.684155][  T123]  #3: c000000035ff4cb8 (\u0026dev-\u003elock){+.+.}-{3:3}, at: napi_enable+0x30/0x60\n    [  243.684166][  T123] 5 locks held by stress.sh/4366:\n    [  243.684170][  T123]  #0: c00000003a4cd3f8 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x88/0x150\n    [  243.\n---truncated---"
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          "url": "https://git.kernel.org/stable/c/053f3ff67d7feefc75797863f3d84b47ad47086f"
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      "title": "net: ibmveth: make veth_pool_store stop hanging",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915/huc: Fix fence not released on early probe errors\n\nHuC delayed loading fence, introduced with commit 27536e03271da\n(\"drm/i915/huc: track delayed HuC load with a fence\"), is registered with\nobject tracker early on driver probe but unregistered only from driver\nremove, which is not called on early probe errors.  Since its memory is\nallocated under devres, then released anyway, it may happen to be\nallocated again to the fence and reused on future driver probes, resulting\nin kernel warnings that taint the kernel:\n\n\u003c4\u003e [309.731371] ------------[ cut here ]------------\n\u003c3\u003e [309.731373] ODEBUG: init destroyed (active state 0) object: ffff88813d7dd2e0 object type: i915_sw_fence hint: sw_fence_dummy_notify+0x0/0x20 [i915]\n\u003c4\u003e [309.731575] WARNING: CPU: 2 PID: 3161 at lib/debugobjects.c:612 debug_print_object+0x93/0xf0\n...\n\u003c4\u003e [309.731693] CPU: 2 UID: 0 PID: 3161 Comm: i915_module_loa Tainted: G     U             6.14.0-CI_DRM_16362-gf0fd77956987+ #1\n...\n\u003c4\u003e [309.731700] RIP: 0010:debug_print_object+0x93/0xf0\n...\n\u003c4\u003e [309.731728] Call Trace:\n\u003c4\u003e [309.731730]  \u003cTASK\u003e\n...\n\u003c4\u003e [309.731949]  __debug_object_init+0x17b/0x1c0\n\u003c4\u003e [309.731957]  debug_object_init+0x34/0x50\n\u003c4\u003e [309.732126]  __i915_sw_fence_init+0x34/0x60 [i915]\n\u003c4\u003e [309.732256]  intel_huc_init_early+0x4b/0x1d0 [i915]\n\u003c4\u003e [309.732468]  intel_uc_init_early+0x61/0x680 [i915]\n\u003c4\u003e [309.732667]  intel_gt_common_init_early+0x105/0x130 [i915]\n\u003c4\u003e [309.732804]  intel_root_gt_init_early+0x63/0x80 [i915]\n\u003c4\u003e [309.732938]  i915_driver_probe+0x1fa/0xeb0 [i915]\n\u003c4\u003e [309.733075]  i915_pci_probe+0xe6/0x220 [i915]\n\u003c4\u003e [309.733198]  local_pci_probe+0x44/0xb0\n\u003c4\u003e [309.733203]  pci_device_probe+0xf4/0x270\n\u003c4\u003e [309.733209]  really_probe+0xee/0x3c0\n\u003c4\u003e [309.733215]  __driver_probe_device+0x8c/0x180\n\u003c4\u003e [309.733219]  driver_probe_device+0x24/0xd0\n\u003c4\u003e [309.733223]  __driver_attach+0x10f/0x220\n\u003c4\u003e [309.733230]  bus_for_each_dev+0x7d/0xe0\n\u003c4\u003e [309.733236]  driver_attach+0x1e/0x30\n\u003c4\u003e [309.733239]  bus_add_driver+0x151/0x290\n\u003c4\u003e [309.733244]  driver_register+0x5e/0x130\n\u003c4\u003e [309.733247]  __pci_register_driver+0x7d/0x90\n\u003c4\u003e [309.733251]  i915_pci_register_driver+0x23/0x30 [i915]\n\u003c4\u003e [309.733413]  i915_init+0x34/0x120 [i915]\n\u003c4\u003e [309.733655]  do_one_initcall+0x62/0x3f0\n\u003c4\u003e [309.733667]  do_init_module+0x97/0x2a0\n\u003c4\u003e [309.733671]  load_module+0x25ff/0x2890\n\u003c4\u003e [309.733688]  init_module_from_file+0x97/0xe0\n\u003c4\u003e [309.733701]  idempotent_init_module+0x118/0x330\n\u003c4\u003e [309.733711]  __x64_sys_finit_module+0x77/0x100\n\u003c4\u003e [309.733715]  x64_sys_call+0x1f37/0x2650\n\u003c4\u003e [309.733719]  do_syscall_64+0x91/0x180\n\u003c4\u003e [309.733763]  entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\u003c4\u003e [309.733792]  \u003c/TASK\u003e\n...\n\u003c4\u003e [309.733806] ---[ end trace 0000000000000000 ]---\n\nThat scenario is most easily reproducible with\nigt@i915_module_load@reload-with-fault-injection.\n\nFix the issue by moving the cleanup step to driver release path.\n\n(cherry picked from commit 795dbde92fe5c6996a02a5b579481de73035e7bf)"
        }
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          "url": "https://git.kernel.org/stable/c/c5a906806162aea62dbe5d327760ce3b7117ca17"
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          "url": "https://git.kernel.org/stable/c/4bd4bf79bcfe101f0385ab81dbabb6e3f7d96c00"
        },
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          "url": "https://git.kernel.org/stable/c/f104ef4db9f8f3923cc06ed1fafb3da38df6006d"
        },
        {
          "url": "https://git.kernel.org/stable/c/e3ea2eae70692a455e256787e4f54153fb739b90"
        }
      ],
      "title": "drm/i915/huc: Fix fence not released on early probe errors",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-37754",
    "datePublished": "2025-05-01T12:55:58.845Z",
    "dateReserved": "2025-04-16T04:51:23.937Z",
    "dateUpdated": "2026-05-11T21:14:29.963Z",
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              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          "product": "Linux",
          "programFiles": [
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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\neth: bnxt: fix truesize for mb-xdp-pass case\n\nWhen mb-xdp is set and return is XDP_PASS, packet is converted from\nxdp_buff to sk_buff with xdp_update_skb_shared_info() in\nbnxt_xdp_build_skb().\nbnxt_xdp_build_skb() passes incorrect truesize argument to\nxdp_update_skb_shared_info().\nThe truesize is calculated as BNXT_RX_PAGE_SIZE * sinfo-\u003enr_frags but\nthe skb_shared_info was wiped by napi_build_skb() before.\nSo it stores sinfo-\u003enr_frags before bnxt_xdp_build_skb() and use it\ninstead of getting skb_shared_info from xdp_get_shared_info_from_buff().\n\nSplat looks like:\n ------------[ cut here ]------------\n WARNING: CPU: 2 PID: 0 at net/core/skbuff.c:6072 skb_try_coalesce+0x504/0x590\n Modules linked in: xt_nat xt_tcpudp veth af_packet xt_conntrack nft_chain_nat xt_MASQUERADE nf_conntrack_netlink xfrm_user xt_addrtype nft_coms\n CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.14.0-rc2+ #3\n RIP: 0010:skb_try_coalesce+0x504/0x590\n Code: 4b fd ff ff 49 8b 34 24 40 80 e6 40 0f 84 3d fd ff ff 49 8b 74 24 48 40 f6 c6 01 0f 84 2e fd ff ff 48 8d 4e ff e9 25 fd ff ff \u003c0f\u003e 0b e99\n RSP: 0018:ffffb62c4120caa8 EFLAGS: 00010287\n RAX: 0000000000000003 RBX: ffffb62c4120cb14 RCX: 0000000000000ec0\n RDX: 0000000000001000 RSI: ffffa06e5d7dc000 RDI: 0000000000000003\n RBP: ffffa06e5d7ddec0 R08: ffffa06e6120a800 R09: ffffa06e7a119900\n R10: 0000000000002310 R11: ffffa06e5d7dcec0 R12: ffffe4360575f740\n R13: ffffe43600000000 R14: 0000000000000002 R15: 0000000000000002\n FS:  0000000000000000(0000) GS:ffffa0755f700000(0000) knlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00007f147b76b0f8 CR3: 00000001615d4000 CR4: 00000000007506f0\n PKRU: 55555554\n Call Trace:\n  \u003cIRQ\u003e\n  ? __warn+0x84/0x130\n  ? skb_try_coalesce+0x504/0x590\n  ? report_bug+0x18a/0x1a0\n  ? handle_bug+0x53/0x90\n  ? exc_invalid_op+0x14/0x70\n  ? asm_exc_invalid_op+0x16/0x20\n  ? skb_try_coalesce+0x504/0x590\n  inet_frag_reasm_finish+0x11f/0x2e0\n  ip_defrag+0x37a/0x900\n  ip_local_deliver+0x51/0x120\n  ip_sublist_rcv_finish+0x64/0x70\n  ip_sublist_rcv+0x179/0x210\n  ip_list_rcv+0xf9/0x130\n\nHow to reproduce:\n\u003cNode A\u003e\nip link set $interface1 xdp obj xdp_pass.o\nip link set $interface1 mtu 9000 up\nip a a 10.0.0.1/24 dev $interface1\n\u003cNode B\u003e\nip link set $interfac2 mtu 9000 up\nip a a 10.0.0.2/24 dev $interface2\nping 10.0.0.1 -s 65000\n\nFollowing ping.py patch adds xdp-mb-pass case. so ping.py is going to be\nable to reproduce this issue."
        }
      ],
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:N - The bug is triggered entirely by an inbound Ethernet frame processed in the bnxt_en NAPI receive path (bnxt_rx_pkt \u2192 bnxt_xdp_build_skb), with the splat landing in ip_defrag()/skb_try_coalesce(); no local access to the target is required. Jumbo/multi-buffer frames are routable end-to-end inside jumbo-enabled datacenter and cloud VPC fabrics, so the sender need not share the victim\u0027s L2 segment.\nAC:L - On an affected host (Broadcom NetXtreme NIC, jumbo MTU, multi-buffer XDP program returning XDP_PASS) every oversized packet deterministically produces the wrong truesize \u2014 the upstream reproducer is a single `ping -s 65000`. There is no race to win and no memory-layout condition outside the attacker\u0027s control.\nPR:N - The vulnerable code executes in softirq/NAPI context on raw received frames, long before any socket lookup, authentication, or capability check. An unauthenticated attacker with no account on the target simply emits packets.\nUI:N - No victim action is needed at attack time; the XDP program and jumbo MTU are pre-existing deployment configuration, not interaction solicited from a user. Packet arrival alone drives the entire path.\nS:U - The miscounted truesize corrupts skb and socket memory accounting within the same kernel security authority that owns the RX path. No VM, container, or IOMMU boundary is crossed.\nC:N - Only the truesize accounting field is wrong; skb-\u003efrags[] and xdp_frags_size retain their correct values, so no out-of-bounds or uninitialized memory is read or exposed to userspace. Nothing is disclosed to the attacker.\nI:N - There is no out-of-bounds write, type confusion, or control-flow corruption \u2014 the erroneous value only skews internal memory-accounting counters, whose consequence is availability rather than data modification.\nA:H - The under-counted truesize trips WARN_ON_ONCE(delta \u003c len) in skb_try_coalesce() during IP reassembly, which is an immediate kernel panic on the panic_on_warn configurations common in cloud and hardened fleets. Even without panic_on_warn, sk_rmem_alloc/sk_forward_alloc and the IP-defrag memory limit are under-charged by roughly the frag count, letting a remote flood pin several times the configured buffer memory and drive the system to OOM."
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          "url": "https://git.kernel.org/stable/c/9f7b2aa5034e24d3c49db73d5f760c0435fe31c2"
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      "title": "eth: bnxt: fix truesize for mb-xdp-pass case",
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        "engine": "bippy-1.2.0"
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  },
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