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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: defensively unhash xfrm_state lists in __xfrm_state_delete\n\nKASAN reproduces a slab-use-after-free in __xfrm_state_delete()\u0027s\nhlist_del_rcu calls under syzkaller load on linux-6.12.y stable\n(reproduced on 6.12.47, also reachable via the same code path on\ntorvalds/master and on the ipsec tree). Nine unique signatures cluster\nin the xfrm_state lifecycle, the load-bearing one being:\n\n  BUG: KASAN: slab-use-after-free in __hlist_del include/linux/list.h:990 [inline]\n  BUG: KASAN: slab-use-after-free in hlist_del_rcu include/linux/rculist.h:516 [inline]\n  BUG: KASAN: slab-use-after-free in __xfrm_state_delete net/xfrm/xfrm_state.c\n  Write of size 8 at addr ffff8881198bcb70 by task kworker/u8:9/435\n\n  Workqueue: netns cleanup_net\n  Call Trace:\n   __hlist_del / hlist_del_rcu\n   __xfrm_state_delete\n   xfrm_state_delete\n   xfrm_state_flush\n   xfrm_state_fini\n   ops_exit_list\n   cleanup_net\n\nThe other observed signatures hit the same slab object from\n__xfrm_state_lookup, xfrm_alloc_spi, __xfrm_state_insert and an OOB\nwrite variant of __xfrm_state_delete, all on the byseq/byspi\nhash chains.\n\n__xfrm_state_delete() guards its byseq and byspi unhashes with\nvalue-based predicates:\n\n\tif (x-\u003ekm.seq)\n\t\thlist_del_rcu(\u0026x-\u003ebyseq);\n\tif (x-\u003eid.spi)\n\t\thlist_del_rcu(\u0026x-\u003ebyspi);\n\nwhile everywhere else in the file (e.g. state_cache, state_cache_input)\nthe safer hlist_unhashed() check is used. xfrm_alloc_spi() sets\nx-\u003eid.spi = newspi inside xfrm_state_lock and then immediately inserts\ninto byspi, but a path that observes x-\u003eid.spi != 0 outside of\nxfrm_state_lock can still skip-or-hit the byspi unhash inconsistently\nwith whether x is actually on the list. The same holds for x-\u003ekm.seq\nversus byseq, and the bydst/bysrc unhashes have no predicate at all,\nso a second __xfrm_state_delete() on the same object writes through\nLIST_POISON pprev.\n\nThe defensive change here:\n\n  - Use hlist_del_init_rcu() instead of hlist_del_rcu() on bydst,\n    bysrc, byseq and byspi so a second deletion is a no-op rather\n    than a write through LIST_POISON pprev. The byseq/byspi nodes\n    are already initialised in xfrm_state_alloc().\n  - Test hlist_unhashed() rather than the value predicate for\n    byseq/byspi, so the unhash decision tracks list state rather than\n    mutable scalar fields.\n\nEmpirical verification: applied this patch on top of v6.12.47, rebuilt,\nand re-ran the same syzkaller harness for 1h16m on a previously-crashy\nconfiguration that produced ~100 hits each of slab-use-after-free\nRead in xfrm_alloc_spi / Read in __xfrm_state_lookup / Write in\n__xfrm_state_delete. After the patch, 7.1M execs across 32 VMs at\n~1550 exec/sec produced zero xfrm_state UAF/OOB hits. /proc/slabinfo\nconfirms the xfrm_state slab is actively allocated and freed during\nthe run (~143 KiB resident), so the fuzzer is still exercising those\ncode paths -- they just no longer crash.\n\nReproduction:\n\n  - Linux 6.12.47 x86_64 + KASAN_GENERIC + KASAN_INLINE + KCOV\n  - syzkaller @ 746545b8b1e4c3a128db8652b340d3df90ce61db\n  - 32 QEMU/KVM VMs x 2 vCPU on AWS c5.metal bare metal\n  - 9 unique signatures collected in ~9h, all within xfrm_state\n    lifecycle"
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              "value": "AV:L - The xfrm_state lifecycle is reached through the NETLINK_XFRM and PF_KEY socket interfaces (local syscalls); the freed object and the race are set up by the attacker\u0027s local state-management operations, not by remote packets.\nAC:L - Although it is a race/double-free, the attacker controls all racing actors (concurrent DELSA/ALLOCSPI/FLUSHSA threads plus namespace teardown they trigger) and can repeat indefinitely; syzkaller hit it ~100 times per hour, so a targeted trigger is reliable.\nPR:L - All xfrm operations require CAP_NET_ADMIN, but the check is against the netns user namespace, so an unprivileged user obtains it via `unshare -Urn` and exercises the per-netns xfrm_state path.\nUI:N - The attacker performs all state creation, deletion and namespace teardown itself; no victim action is required.\nS:U - The corruption is confined to the kernel\u0027s own slab memory within the same security authority; it is not a hypervisor or IOMMU boundary crossing.\nC:H - The slab-use-after-free gives the attacker control over freed xfrm_state contents and read-UAF sites (xfrm_alloc_spi/__xfrm_state_lookup), enabling arbitrary kernel memory disclosure.\nI:H - The UAF/OOB writes an attacker-influenced 8-byte list pointer into freed/adjacent slab memory, providing a heap write primitive leveragable for arbitrary write and control-flow hijack.\nA:H - The slab-use-after-free and out-of-bounds writes corrupt kernel hash chains, reliably causing oops/panic and bringing the kernel down."
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              "value": "AV:A - A nearby NFC-DEP peer supplies the malformed bytes in an LLCP SNL PDU (ptype LLCP_PDU_SNL, DSAP/SSAP LLCP_SAP_SDP). nfc_tm_data_received() or the initiator nfc_llcp_recv() callback delivers that skb through __nfc_llcp_recv() and nfc_llcp_rx_skb() into nfc_llcp_recv_snl(), which walks attacker-controlled SDREQ/SDRES TLVs. NFC is radio-range, so Adjacent.\nAC:L - The attacker fully controls the SNL payload, including each TLV type and u8 length. An SDREQ with length 0 or 15, or a declared length past the remaining skb, hits the missing header/value checks in nfc_llcp_recv_snl() deterministically, with no race or heap layout the attacker cannot set.\nPR:N - nfc_llcp_recv_snl() only rejects PDUs whose DSAP/SSAP are not LLCP_SAP_SDP; it does not require LLCP CONNECT, SDP credentials, or any host account. After nfc_dep_link_is_up(), an unauthenticated NFC-DEP peer can send SNL immediately.\nUI:N - nfc_tm_activated() calls nfc_dep_link_is_up() automatically when protocol is NFC_PROTO_NFC_DEP_MASK, after which nfc_tm_data_received() hands DEP payloads to LLCP. The attacker triggers the SNL parse with their own frames; no extra victim click, mount, or dialog is required.\nS:U - nfc_llcp_recv_snl() over-reads kernel memory adjacent to the received skb in the LLCP receive path. That stays inside the host kernel\u0027s security authority; there is no VM, IOMMU, or sandbox boundary crossed.\nC:L - A short SDREQ with length==15 makes strncmp(service_name, \"urn:nfc:sn:sdp\", 14) read up to 14 bytes past the skb, and length==0 uses out-of-bounds tlv[2] as the tid echoed by nfc_llcp_build_sdres_tlv(). nfc_llcp_sock_from_sn() memcmp is gated on matching socket name length, so this is a small bounded leak, not an arbitrary read.\nI:N - The SNL walker only reads past the skb; it does not write past it. The SDRES path assigns tlv[3] into an existing pending nfc_llcp_sdp_tlv-\u003esap on a tid match, which is an in-object protocol field a well-formed SDRES can already set, not a kernel write primitive.\nA:H - nfc_llcp_recv_snl() can read tlv[0]/tlv[1] when fewer than two bytes remain, and strncmp()/tlv[2] past the skb tail. Those over-reads can fault on an unmapped page or KFENCE guard and oops the kernel."
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        },
        {
          "url": "https://git.kernel.org/stable/c/f4c7f37f0ab990952539dc68d931d65c3657600a"
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      "title": "nfc: llcp: bound SNL TLV parsing to the skb and add length checks",
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        }
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      "title": "Bluetooth: ISO: ensure no dangling hcon references in iso_conn",
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              "value": "AV:N - Remote attackers can deliver multi-fragment frames to an XDP-enabled ingress path that bpf_redirect_map/devmap forwards to an ENETC PF netdev, reaching enetc_xdp_xmit via the standard XDP_REDIRECT flush path without local access.\nAC:L - Once XDP redirect to ENETC is deployed, an attacker can reliably craft or segment traffic to produce xdp_frames with nr_frags+1\u003e13; no race or uncontrollable memory layout is required to trigger the out-of-bounds write.\nPR:N - Exploitation requires no attacker privileges when XDP redirect is pre-deployed on the gateway (normal for edge filtering); unprivileged users with CAP_NET_ADMIN via user namespaces can also attach the needed BPF/XDP programs.\nUI:N - No victim interaction is required beyond sending crafted network traffic; exploitation is fully attacker-driven once the XDP redirect datapath exists.\nS:U - Impact is confined to kernel memory corruption and privilege escalation within the same kernel/host security boundary, not a cross-VM or IOMMU scope change.\nC:H - Stack out-of-bounds writes of enetc_tx_swbd structures past a 13-element array corrupt adjacent stack data and pointers, providing a memory-corruption primitive that can be leveraged for arbitrary kernel memory disclosure.\nI:H - The overflow writes attacker-influenced enetc_tx_swbd fields (DMA addresses, lengths, frame pointers) beyond the buffer bounds, enabling heap/stack corruption suitable for arbitrary write and potential code execution.\nA:H - Corrupting stack-resident transmit metadata and pointers in enetc_xdp_xmit can cause immediate kernel oops/panic or hung transmit paths, constituting total loss of availability."
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        }
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      "providerMetadata": {
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        {
          "url": "https://git.kernel.org/stable/c/555c5475e787802eeae0d2b91c2f66c330db2767"
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      "title": "net: enetc: check the number of BDs needed for xdp_frame",
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  "cveMetadata": {
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    "cveId": "CVE-2026-72399",
    "datePublished": "2026-08-15T05:56:24.926Z",
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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\nSUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry\n\nsvcauth_gss_decode_credbody() writes the caller\u0027s\nrpc_gss_wire_cred field by field and assigns gc_ctx.len only on\nthe success tail.  The caller storage is svcdata-\u003eclcred, which\nlives in the per-svc_rqst gss_svc_data and is reused across\nrequests.  Early decode failures leave partially decoded state\nmixed with residue from the prior request.\n\nThe trailing body_len tightness check is the sharpest case:\nxdr_stream_decode_opaque_inline() has already written gc_ctx.data\nwith a borrowed inline pointer into the current request\u0027s XDR\npages, but gc_ctx.len retains its prior value.  Once the request\npages are released the pooled clcred carries a dangling pointer\npaired with a stale length.\n\nZero the caller\u0027s rpc_gss_wire_cred at function entry so that\nevery early-return path leaves a deterministic all-zero cred.\nOn the trailing tightness-check path, gc_ctx.len is now zero\ninstead of stale, which neuters length-driven consumers such as\ngss_svc_searchbyctx() that would otherwise walk the dangling\ndata pointer."
        }
      ],
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              "value": "AV:N - A remote NFS/SUNRPC peer sends an RPC Call with flavor RPC_AUTH_GSS whose rpc_gss_cred_t fails the body_len tightness check in svcauth_gss_decode_credbody(); those cred bytes arrive on nfsd TCP/UDP 2049 via svc_recv \u2192 svc_tcp_recvfrom/svc_udp_recvfrom \u2192 svc_process \u2192 svc_process_common \u2192 svc_authenticate \u2192 svcauth_gss_accept.\nAC:L - The attacker first sends a well-formed RPCSEC_GSS cred so decode assigns gc_ctx.len, then a second Call where xdr_stream_decode_opaque_inline() succeeds but body_len != XDR_UNIT*5+xdr_align_size(handle_len). Both hit the same nfsd thread\u0027s reused gss_svc_data.clcred; the tightness failure is deterministic with no race.\nPR:N - svcauth_gss_decode_credbody() is the RPC_AUTH_GSS credential decoder inside svcauth_gss_accept(), reached before gss_svc_searchbyctx(), gss_verify_mic(), or nfsd export/client checks. Flavor 6 with auth_rpcgss registered (RPCSEC_GSS_KRB5 defaults y) needs no Kerberos ticket, uid, or capability.\nUI:N - nfsd processes each inbound RPC in the service thread via svc_process with no local user or administrator action; the attacker alone sends the residue-planting Call and the tightness-fail Call.\nS:U - The dangling gc_ctx pointer, consume_skb() of the UDP receive skb, and any later kmemdup of that pointer occur in the host nfsd/SUNRPC kernel. No VM, IOMMU, or sandbox boundary is crossed.\nC:H - On tightness failure, xdr_stream_decode_opaque_inline() writes gc_ctx.data into the UDP in-place skb (svc_udp_recvfrom) while gc_ctx.len stays the prior handle length. svc_udp_release_ctxt() consume_skb() then frees that skb; gss_svc_searchbyctx()\u2192dup_to_netobj() kmemdups handle-\u003elen bytes from the dangling pointer, a UAF read of reclaimed kernel memory.\nI:H - The leftover clcred.gc_ctx is a use-after-free of skb-backed memory with an attacker-chosen stale length planted by the prior GSS handle. Spraying the consumed skb lets length-driven consumers of that netobj treat attacker bytes as kernel objects, so integrity impact is High as for other kernel UAFs.\nA:H - Walking gc_ctx.data after consume_skb() oopses the nfsd thread when the skb is reused or unmapped, and the attacker can repeat tightness-fail Calls to kill service threads or panic the host where panic_on_oops is set."
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: gate nfs3 setacl by argp-\u003emask\n\nnfsd3_proc_setacl() calls set_posix_acl() unconditionally for both\nACL_TYPE_ACCESS and ACL_TYPE_DEFAULT, passing argp-\u003eacl_access and\nargp-\u003eacl_default verbatim. The NFSv3 ACL decoder only populates\nthose pointers when the corresponding mask bit is set:\n\n    nfs3svc_decode_setaclargs()\n      if (args-\u003emask \u0026 NFS_ACL)    decode into acl_access\n      if (args-\u003emask \u0026 NFS_DFACL)  decode into acl_default\n      /* otherwise the pointer stays NULL (pc_argzero) */\n\n    nfsd3_proc_setacl()\n      set_posix_acl(.., ACL_TYPE_ACCESS,  argp-\u003eacl_access)\n      set_posix_acl(.., ACL_TYPE_DEFAULT, argp-\u003eacl_default)\n\nset_posix_acl(idmap, dentry, type, NULL) is the VFS \"remove this\nACL type\" operation. A NULL pointer that means \"the client did not\nsend this arm\" is therefore indistinguishable from \"the client\nasked to remove this ACL\". A SETACL with mask=NFS_ACL silently\ndrops the directory\u0027s default ACL; mask=0 drops both.\n\nThe sibling nfsd3_proc_getacl() already consults argp-\u003emask before\ntouching each arm; mirror that in setacl.\n\nFix by wrapping each set_posix_acl() call in the matching mask bit\ncheck and initializing error to 0 before inode_lock so that a\nrequest with neither bit set leaves the on-disk ACLs untouched and\nreturns nfs_ok. The out_drop_lock path and the unconditional\nposix_acl_release() at out: are preserved; both NULL-tolerate the\nskipped arms."
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              "value": "AV:N - nfsd3_proc_setacl() is NFSACL v3 SETACL (RPC program 100227) on the in-kernel NFS server, reached over TCP/UDP (typically port 2049) from a remote peer; no local syscall or physical access is required.\nAC:L - A single SETACL with mask omitting NFS_ACL and/or NFS_DFACL reliably deletes the corresponding POSIX ACL; there is no race or attacker-uncontrollable layout, and CONFIG_NFSD_V3_ACL is enabled on common distro NFS server kernels.\nPR:N - Default nfsd exports accept AUTH_UNIX and AUTH_NULL with no shared secret; AUTH_UNIX UIDs are attacker-chosen, so the caller spoofs the inode owner to pass inode_owner_or_capable() without any account on the server.\nUI:N - The attacker triggers the flaw by sending crafted NFSACL SETACL RPCs; no victim must mount a filesystem, open a file, or otherwise interact.\nS:U - Impact stays on POSIX ACL metadata of the exported filesystem in the same kernel/host security authority; this is not a VM escape, IOMMU bypass, or sandbox breakout.\nC:H - Removing an access ACL drops named-user/group entries that may be the only restriction beyond mode bits, and removing a directory default ACL stops inheritance of restrictive policy, so ACL-protected file contents can become readable.\nI:H - set_posix_acl(..., NULL) is the VFS remove-ACL operation, so an omitted mask bit silently deletes that ACL type on disk; mask=NFS_ACL strips the default ACL and mask=0 strips both, destroying access-control metadata.\nA:N - The path performs a defined VFS ACL-remove and does not oops, panic, hang, deadlock, or leak kernel memory, so nfsd and the host remain available."
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        },
        {
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    "dateReserved": "2026-09-11T19:38:34.746Z",
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                  },
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: svcauth_gss: enforce krb5 token minimum length\n\nsvcauth_gss_unwrap_priv() validates only an upper bound on the\nwire-supplied opaque length before handing the buffer to\ngss_unwrap():\n\n    if (len \u003e xdr_stream_remaining(xdr))\n            goto unwrap_failed;\n    offset = xdr_stream_pos(xdr);\n    ...\n    maj_stat = gss_unwrap(ctx, offset, offset + len, buf);\n\nThe wire value `len` flows unchanged as the upper bound into the\nkrb5 unwrap path, so a len in [0, 16] passes this check and is\nhanded to gss_unwrap(). For a krb5 v2 context that lands in\ngss_krb5_unwrap_v2(), which reads the 16-byte RFC 4121 token\nheader fields at ptr+4 and ptr+6 and then calls rotate_left()\nbefore any integrity check. With a sub-header length the header\nreads run past the token, and _rotate_left()\u0027s `shift %= buf-\u003elen`\npath can divide by zero when buf-\u003elen has been driven to zero by\nthe truncated token. A header-only token (len == 16) is equally\ninvalid: with a non-zero RRC field and the opaque blob ending at\nthe XDR buffer boundary, rotate_left() builds a zero-length\nsubbuffer, reaching the same division.\n\nReject the token at the server entry point before it reaches the\nkrb5 unwrap core. A valid sealed RFC 4121 token must contain\nthe 16-byte header plus at least some encrypted payload.\n\nFix by adding a minimum-length check immediately after the\nexisting upper-bound check:\n\n    if (len \u003c= GSS_KRB5_TOK_HDR_LEN)\n            goto unwrap_failed;"
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              "value": "AV:N - svcauth_gss_unwrap_priv() is reached from in-kernel nfsd over TCP/2049 (svc_authenticate \u2192 svcauth_gss_accept) and from the NFSv4.0 RPC_AUTH_GSS callback service, so a remote RPCSEC_GSS peer delivers the short krb5 wrap token over the network.\nAC:L - A single RPCSEC_GSS DATA Call with gc_svc=PRIVACY and opaque length in [0, 16] plus a non-zero RRC in the cleartext RFC 4121 header deterministically hits gss_krb5_unwrap_v2() rotate_left() u32 wrap and shift%=0; no race or attacker-uncontrollable layout is required.\nPR:N - A malicious NFS server that already shares a krb5p GSS context can send a crafted NFSv4.0 GSS callback into the client\u0027s svcauth_gss_unwrap_priv() with no account or capability on the victim. That peer path is the highest-severity reachability.\nUI:N - nfsd unwraps the Call in the service thread with no local user action. On the client, the NFSv4.0 GSS callback path runs from the callback service thread once an NFS/RPCSEC_GSS mount exists; no additional mount, click, or open is required at attack time.\nS:U - The out-of-bounds accesses, divide-by-zero, and underflowed memmove corrupt host kernel SUNRPC/GSS state on the machine processing the RPC. This is ordinary same-host kernel impact, not a VM escape, IOMMU bypass, or other changed-scope boundary.\nC:H - Short tokens make gss_krb5_unwrap_v2() read EC/RRC past the token, and the dead BUG_ON lets unsigned movelen underflow into a ~UINT_MAX-byte memmove that copies kernel memory beyond the receive head; that unbounded read is C:H per kernel CNA memory-corruption guidance.\nI:H - The same underflowed memmove() writes near 4GiB through the RPC receive head, an out-of-bounds write exploitable for control-flow hijack. rotate_left() also ignores xdr_buf_subsegment() failure after u32 wrap and then writes through a subbuf whose length has wrapped.\nA:H - _rotate_left() does shift %= buf-\u003elen on a zero-length subbuffer (header-only token at the XDR boundary), a divide-by-zero oops/panic; the UINT_MAX memmove and wrapped-length rotate loop hang or oops nfsd/callback threads, and the attacker can repeat the RPC to deny service."
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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: videobuf2: Set vma_flags in vb2_dma_sg_mmap\n\nvb2_dma_contig sets VMA flags VM_DONTEXPAND and VM_DONTDUMP and I do not\nsee a reason why vb2_dma_sg should behave differently. This avoids\nhitting `WARN_ON(!(vma-\u003evm_flags \u0026 VM_DONTEXPAND));` in\ndrm_gem_mmap_obj() during mmap() of an imported dma-buf from the out of\ntree Apple ISP camera capture driver which uses vb2_dma_sg_memops.\n\ngst-launch-1.0 v4l2src ! gtk4paintablesink\n\n[   38.201528] ------------[ cut here ]------------\n[   38.202135] WARNING: CPU: 7 PID: 2362 at drivers/gpu/drm/drm_gem.c:1144 drm_gem_mmap_obj+0x1f8/0x210\n[   38.203278] Modules linked in: rfcomm snd_seq_dummy snd_hrtimer\nsnd_seq snd_seq_device uinput nf_conntrack_netbios_ns\nnf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib\nnft_reject_inet nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat\nnf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables qrtr bnep\nnls_ascii i2c_dev loop fuse dm_multipath nfnetlink brcmfmac_wcc\nhid_magicmouse hci_bcm4377 brcmfmac brcmutil bluetooth ecdh_generic\ncfg80211 ecc btrfs xor xor_neon rfkill hid_apple raid6_pq joydev\naop_als apple_nvmem_spmi industrialio snd_soc_aop apple_z2\nsnd_soc_cs42l84 tps6598x snd_soc_tas2764 macsmc_reboot spi_nor\nmacsmc_hwmon rtc_macsmc gpio_macsmc macsmc_power regmap_spmi\nmacsmc_input dockchannel_hid panel_summit appledrm nvme_apple dwc3\nsnd_soc_macaudio drm_client_lib nvme_core phy_apple_atc hwmon\napple_sart apple_dockchannel macsmc apple_rtkit_helper\nspmi_apple_controller aop apple_wdt mfd_core nvmem_apple_efuses\npinctrl_apple_gpio apple_isp apple_dcp videobuf2_dma_sg mux_core\nspi_apple\n[   38.203300]  videobuf2_memops i2c_pasemi_platform snd_soc_apple_mca videobuf2_v4l2 videodev clk_apple_nco videobuf2_common snd_pcm_dmaengine adpdrm asahi apple_admac adpdrm_mipi drm_dma_helper pwm_apple i2c_pasemi_core drm_display_helper mc cec apple_dart ofpart apple_soc_cpufreq leds_pwm phram\n[   38.217677] CPU: 7 UID: 1000 PID: 2362 Comm: gst-launch-1.0 Tainted: G        W           6.17.6+ #asahi-dev PREEMPT(full)\n[   38.219040] Tainted: [W]=WARN\n[   38.219398] Hardware name: Apple MacBook Pro (13-inch, M2, 2022) (DT)\n[   38.220213] pstate: 21400005 (nzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\n[   38.221088] pc : drm_gem_mmap_obj+0x1f8/0x210\n[   38.221643] lr : drm_gem_mmap_obj+0x78/0x210\n[   38.222178] sp : ffffc0008dc678e0\n[   38.222579] x29: ffffc0008dc678e0 x28: 0000000000042a97 x27: ffff8000b701b480\n[   38.223465] x26: 00000000000000fb x25: ffffc0008dc67d20 x24: ffffc0008dc67968\n[   38.224402] x23: ffff8000e3ca5600 x22: ffff8000265b7800 x21: ffff80003000c0c0\n[   38.225279] x20: 0000000000000000 x19: ffff8000b68c5200 x18: ffffc0008dc67968\n[   38.226151] x17: 0000000000000000 x16: 0000000000000000 x15: ffffc000810a30a8\n[   38.227042] x14: 00007fff637effff x13: 00005555de91ffff x12: 00007fff63293fff\n[   38.227942] x11: 0000000000000000 x10: ffff8000184ecf08 x9 : ffffc0007a1900c8\n[   38.228824] x8 : ffffc0008dc67968 x7 : 0000000000000012 x6 : ffffc0015cf1c000\n[   38.229703] x5 : ffffc0008dc676a0 x4 : ffffc00081a27dc0 x3 : 0000000000000038\n[   38.230607] x2 : 0000000000000003 x1 : 0000000000000003 x0 : 00000000100000fb\n[   38.231488] Call trace:\n[   38.231806]  drm_gem_mmap_obj+0x1f8/0x210 (P)\n[   38.232342]  drm_gem_mmap+0x140/0x260\n[   38.232813]  __mmap_region+0x488/0x9a0\n[   38.233277]  mmap_region+0xd0/0x148\n[   38.233703]  do_mmap+0x350/0x5c0\n[   38.234148]  vm_mmap_pgoff+0x14c/0x200\n[   38.234612]  ksys_mmap_pgoff+0x150/0x208\n[   38.235107]  __arm64_sys_mmap+0x34/0x50\n[   38.235611]  invoke_syscall+0x50/0x120\n[   38.236075]  el0_svc_common.constprop.0+0x48/0xf0\n[   38.236680]  do_el0_svc+0x24/0x38\n[   38.237113]  el0_svc+0x38/0x168\n[   38.237507]  el0t_64_sync_handler+0xa0/0xe8\n[   38.238034]  el0t_64_sync+0x198/0x1a0\n[   38.238491] ---[ end trace 0000000000000000 ]---\n\nThere were discussions in [1] at the end of 2023 that mmap() on imported\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-14T18:08:26.067Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/feb17524aa4ec337749344be0db52b88663e25ab"
        },
        {
          "url": "https://git.kernel.org/stable/c/1a1360264f699521e001e7739009ee3ee3c6a4f5"
        },
        {
          "url": "https://git.kernel.org/stable/c/21fade52ab9fb13368a5709e60b0d9909197aeae"
        },
        {
          "url": "https://git.kernel.org/stable/c/b4cf91658a636618f1437beec971dec25dec28eb"
        },
        {
          "url": "https://git.kernel.org/stable/c/7254b31a13aaa0c2c0f9ffbc335b718656117ff4"
        }
      ],
      "title": "media: videobuf2: Set vma_flags in vb2_dma_sg_mmap",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46312",
    "datePublished": "2026-06-08T15:50:42.964Z",
    "dateReserved": "2026-05-13T15:03:33.111Z",
    "dateUpdated": "2026-06-14T18:08:26.067Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}