CVE-2024-56551 (GCVE-0-2024-56551)
Vulnerability from cvelistv5
Published
2024-12-27 14:22
Modified
2026-08-05 11:44
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix usage slab after free [ +0.000021] BUG: KASAN: slab-use-after-free in drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched] [ +0.000027] Read of size 8 at addr ffff8881b8605f88 by task amd_pci_unplug/2147 [ +0.000023] CPU: 6 PID: 2147 Comm: amd_pci_unplug Not tainted 6.10.0+ #1 [ +0.000016] Hardware name: ASUS System Product Name/ROG STRIX B550-F GAMING (WI-FI), BIOS 1401 12/03/2020 [ +0.000016] Call Trace: [ +0.000008] <TASK> [ +0.000009] dump_stack_lvl+0x76/0xa0 [ +0.000017] print_report+0xce/0x5f0 [ +0.000017] ? drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched] [ +0.000019] ? srso_return_thunk+0x5/0x5f [ +0.000015] ? kasan_complete_mode_report_info+0x72/0x200 [ +0.000016] ? drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched] [ +0.000019] kasan_report+0xbe/0x110 [ +0.000015] ? drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched] [ +0.000023] __asan_report_load8_noabort+0x14/0x30 [ +0.000014] drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched] [ +0.000020] ? srso_return_thunk+0x5/0x5f [ +0.000013] ? __kasan_check_write+0x14/0x30 [ +0.000016] ? __pfx_drm_sched_entity_flush+0x10/0x10 [gpu_sched] [ +0.000020] ? srso_return_thunk+0x5/0x5f [ +0.000013] ? __kasan_check_write+0x14/0x30 [ +0.000013] ? srso_return_thunk+0x5/0x5f [ +0.000013] ? enable_work+0x124/0x220 [ +0.000015] ? __pfx_enable_work+0x10/0x10 [ +0.000013] ? srso_return_thunk+0x5/0x5f [ +0.000014] ? free_large_kmalloc+0x85/0xf0 [ +0.000016] drm_sched_entity_destroy+0x18/0x30 [gpu_sched] [ +0.000020] amdgpu_vce_sw_fini+0x55/0x170 [amdgpu] [ +0.000735] ? __kasan_check_read+0x11/0x20 [ +0.000016] vce_v4_0_sw_fini+0x80/0x110 [amdgpu] [ +0.000726] amdgpu_device_fini_sw+0x331/0xfc0 [amdgpu] [ +0.000679] ? mutex_unlock+0x80/0xe0 [ +0.000017] ? __pfx_amdgpu_device_fini_sw+0x10/0x10 [amdgpu] [ +0.000662] ? srso_return_thunk+0x5/0x5f [ +0.000014] ? __kasan_check_write+0x14/0x30 [ +0.000013] ? srso_return_thunk+0x5/0x5f [ +0.000013] ? mutex_unlock+0x80/0xe0 [ +0.000016] amdgpu_driver_release_kms+0x16/0x80 [amdgpu] [ +0.000663] drm_minor_release+0xc9/0x140 [drm] [ +0.000081] drm_release+0x1fd/0x390 [drm] [ +0.000082] __fput+0x36c/0xad0 [ +0.000018] __fput_sync+0x3c/0x50 [ +0.000014] __x64_sys_close+0x7d/0xe0 [ +0.000014] x64_sys_call+0x1bc6/0x2680 [ +0.000014] do_syscall_64+0x70/0x130 [ +0.000014] ? srso_return_thunk+0x5/0x5f [ +0.000014] ? irqentry_exit_to_user_mode+0x60/0x190 [ +0.000015] ? srso_return_thunk+0x5/0x5f [ +0.000014] ? irqentry_exit+0x43/0x50 [ +0.000012] ? srso_return_thunk+0x5/0x5f [ +0.000013] ? exc_page_fault+0x7c/0x110 [ +0.000015] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ +0.000014] RIP: 0033:0x7ffff7b14f67 [ +0.000013] Code: ff e8 0d 16 02 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 73 ba f7 ff [ +0.000026] RSP: 002b:00007fffffffe378 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ +0.000019] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffff7b14f67 [ +0.000014] RDX: 0000000000000000 RSI: 00007ffff7f6f47a RDI: 0000000000000003 [ +0.000014] RBP: 00007fffffffe3a0 R08: 0000555555569890 R09: 0000000000000000 [ +0.000014] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffffffe5c8 [ +0.000013] R13: 00005555555552a9 R14: 0000555555557d48 R15: 00007ffff7ffd040 [ +0.000020] </TASK> [ +0.000016] Allocated by task 383 on cpu 7 at 26.880319s: [ +0.000014] kasan_save_stack+0x28/0x60 [ +0.000008] kasan_save_track+0x18/0x70 [ +0.000007] kasan_save_alloc_info+0x38/0x60 [ +0.000007] __kasan_kmalloc+0xc1/0xd0 [ +0.000007] kmalloc_trace_noprof+0x180/0x380 [ +0.000007] drm_sched_init+0x411/0xec0 [gpu_sched] [ +0.000012] amdgpu_device_init+0x695f/0xa610 [amdgpu] [ +0.000658] amdgpu_driver_load_kms+0x1a/0x120 [amdgpu] [ +0.000662] amdgpu_pci_p ---truncated---
References
Impacted products
Vendor Product Version
Linux Linux Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21
Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21
Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21
Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21
Version: d38ceaf99ed015f2a0b9af3499791bd3a3daae21
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{
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              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
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              "content": {
                "id": "CVE-2024-56551",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
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                "role": "CISA Coordinator",
                "timestamp": "2025-03-06T16:07:43.843421Z",
                "version": "2.0.3"
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              "type": "ssvc"
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        "problemTypes": [
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            "descriptions": [
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                "description": "CWE-416 Use After Free",
                "lang": "en",
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          "dateUpdated": "2025-03-06T16:14:32.718Z",
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          "programFiles": [
            "drivers/gpu/drm/amd/amdgpu/amdgpu_device.c",
            "drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c"
          ],
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          "vendor": "Linux",
          "versions": [
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              "version": "4.2"
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              "version": "0",
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            {
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              "status": "unaffected",
              "version": "5.15.181",
              "versionType": "semver"
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            {
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              "version": "6.1.127",
              "versionType": "semver"
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            {
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              "status": "unaffected",
              "version": "6.6.64",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
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      "cpeApplicability": [
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                  "versionEndExcluding": "6.1.127",
                  "versionStartIncluding": "4.2",
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                {
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                  "versionEndExcluding": "6.6.64",
                  "versionStartIncluding": "4.2",
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          ]
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix usage slab after free\n\n[  +0.000021] BUG: KASAN: slab-use-after-free in drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched]\n[  +0.000027] Read of size 8 at addr ffff8881b8605f88 by task amd_pci_unplug/2147\n\n[  +0.000023] CPU: 6 PID: 2147 Comm: amd_pci_unplug Not tainted 6.10.0+ #1\n[  +0.000016] Hardware name: ASUS System Product Name/ROG STRIX B550-F GAMING (WI-FI), BIOS 1401 12/03/2020\n[  +0.000016] Call Trace:\n[  +0.000008]  \u003cTASK\u003e\n[  +0.000009]  dump_stack_lvl+0x76/0xa0\n[  +0.000017]  print_report+0xce/0x5f0\n[  +0.000017]  ? drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched]\n[  +0.000019]  ? srso_return_thunk+0x5/0x5f\n[  +0.000015]  ? kasan_complete_mode_report_info+0x72/0x200\n[  +0.000016]  ? drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched]\n[  +0.000019]  kasan_report+0xbe/0x110\n[  +0.000015]  ? drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched]\n[  +0.000023]  __asan_report_load8_noabort+0x14/0x30\n[  +0.000014]  drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched]\n[  +0.000020]  ? srso_return_thunk+0x5/0x5f\n[  +0.000013]  ? __kasan_check_write+0x14/0x30\n[  +0.000016]  ? __pfx_drm_sched_entity_flush+0x10/0x10 [gpu_sched]\n[  +0.000020]  ? srso_return_thunk+0x5/0x5f\n[  +0.000013]  ? __kasan_check_write+0x14/0x30\n[  +0.000013]  ? srso_return_thunk+0x5/0x5f\n[  +0.000013]  ? enable_work+0x124/0x220\n[  +0.000015]  ? __pfx_enable_work+0x10/0x10\n[  +0.000013]  ? srso_return_thunk+0x5/0x5f\n[  +0.000014]  ? free_large_kmalloc+0x85/0xf0\n[  +0.000016]  drm_sched_entity_destroy+0x18/0x30 [gpu_sched]\n[  +0.000020]  amdgpu_vce_sw_fini+0x55/0x170 [amdgpu]\n[  +0.000735]  ? __kasan_check_read+0x11/0x20\n[  +0.000016]  vce_v4_0_sw_fini+0x80/0x110 [amdgpu]\n[  +0.000726]  amdgpu_device_fini_sw+0x331/0xfc0 [amdgpu]\n[  +0.000679]  ? mutex_unlock+0x80/0xe0\n[  +0.000017]  ? __pfx_amdgpu_device_fini_sw+0x10/0x10 [amdgpu]\n[  +0.000662]  ? srso_return_thunk+0x5/0x5f\n[  +0.000014]  ? __kasan_check_write+0x14/0x30\n[  +0.000013]  ? srso_return_thunk+0x5/0x5f\n[  +0.000013]  ? mutex_unlock+0x80/0xe0\n[  +0.000016]  amdgpu_driver_release_kms+0x16/0x80 [amdgpu]\n[  +0.000663]  drm_minor_release+0xc9/0x140 [drm]\n[  +0.000081]  drm_release+0x1fd/0x390 [drm]\n[  +0.000082]  __fput+0x36c/0xad0\n[  +0.000018]  __fput_sync+0x3c/0x50\n[  +0.000014]  __x64_sys_close+0x7d/0xe0\n[  +0.000014]  x64_sys_call+0x1bc6/0x2680\n[  +0.000014]  do_syscall_64+0x70/0x130\n[  +0.000014]  ? srso_return_thunk+0x5/0x5f\n[  +0.000014]  ? irqentry_exit_to_user_mode+0x60/0x190\n[  +0.000015]  ? srso_return_thunk+0x5/0x5f\n[  +0.000014]  ? irqentry_exit+0x43/0x50\n[  +0.000012]  ? srso_return_thunk+0x5/0x5f\n[  +0.000013]  ? exc_page_fault+0x7c/0x110\n[  +0.000015]  entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[  +0.000014] RIP: 0033:0x7ffff7b14f67\n[  +0.000013] Code: ff e8 0d 16 02 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 03 00 00 00 0f 05 \u003c48\u003e 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 73 ba f7 ff\n[  +0.000026] RSP: 002b:00007fffffffe378 EFLAGS: 00000246 ORIG_RAX: 0000000000000003\n[  +0.000019] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffff7b14f67\n[  +0.000014] RDX: 0000000000000000 RSI: 00007ffff7f6f47a RDI: 0000000000000003\n[  +0.000014] RBP: 00007fffffffe3a0 R08: 0000555555569890 R09: 0000000000000000\n[  +0.000014] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffffffe5c8\n[  +0.000013] R13: 00005555555552a9 R14: 0000555555557d48 R15: 00007ffff7ffd040\n[  +0.000020]  \u003c/TASK\u003e\n\n[  +0.000016] Allocated by task 383 on cpu 7 at 26.880319s:\n[  +0.000014]  kasan_save_stack+0x28/0x60\n[  +0.000008]  kasan_save_track+0x18/0x70\n[  +0.000007]  kasan_save_alloc_info+0x38/0x60\n[  +0.000007]  __kasan_kmalloc+0xc1/0xd0\n[  +0.000007]  kmalloc_trace_noprof+0x180/0x380\n[  +0.000007]  drm_sched_init+0x411/0xec0 [gpu_sched]\n[  +0.000012]  amdgpu_device_init+0x695f/0xa610 [amdgpu]\n[  +0.000658]  amdgpu_driver_load_kms+0x1a/0x120 [amdgpu]\n[  +0.000662]  amdgpu_pci_p\n---truncated---"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The vulnerable code is reached only through local kernel paths \u2014 a `close(2)` on the `/dev/dri/card*` DRM file descriptor driving `drm_release` \u2192 `amdgpu_driver_release_kms` \u2192 `amdgpu_device_fini_sw` \u2014 with no network or remote-peer input involved. No physical device interaction is needed since PCI unbind/removal and driver unload are software-initiated on the local host.\nAC:L - This is a deterministic ordering defect, not a race: `drm_sched_fini()` frees the `drm_sched_rq` objects and `drm_sched_entity_flush()` dereferences the stale `entity-\u003erq` later in the same thread, so it triggers on every teardown of an affected ASIC. Heap reclaim of the 64-byte object is aided by the wide window spanning all of `amdgpu_device_ip_fini()` and by the attacker controlling when the last fd is closed.\nPR:L - The use-after-free executes in the context of an unprivileged process\u0027s `close()` of its DRM fd, and `/dev/dri/card*`/`renderD*` are accessible to ordinary users in the video/render groups on desktop, kiosk, and container hosts. That same unprivileged user can groom kmalloc-64 concurrently to reclaim the freed `drm_sched_rq` with controlled contents, so no administrative capability is required to reach or weaponize the corrupted path.\nUI:N - No victim action is required \u2014 the corruption occurs automatically within the driver\u0027s own cleanup sequence once the release path runs, in the attacker\u0027s own process context. There is no prompt, file open, or mount performed by another user.\nS:U - The freed `drm_sched_rq` and the resulting corruption are entirely within the kernel\u0027s own memory and security authority. No hypervisor, IOMMU, or sandbox boundary is crossed.\nC:H - The bug is a slab use-after-free that yields an attacker-influenceable `struct drm_gpu_scheduler *` read from reclaimed memory (`sched = entity-\u003erq-\u003esched`), which is then dereferenced \u2014 giving a controlled-address read primitive that can be leveraged to disclose arbitrary kernel memory and defeat KASLR.\nI:H - The stale `rq` is written through as well: `spin_lock(\u0026rq-\u003elock)`, `rq-\u003ecurrent_entity = NULL`, `list_del_init()`, and `rb_erase()` all mutate freed memory, and `atomic_dec(rq-\u003esched-\u003escore)` plus the wait-queue manipulation in `wait_event_killable(sched-\u003ejob_scheduled, ...)` provide arbitrary-address decrement and list-linkage writes usable for control-flow hijacking.\nA:H - Even without exploitation the stale pointer dereference and list/rbtree operations on freed slab memory reliably produce a kernel oops or panic, as demonstrated by the KASAN slab-use-after-free report during the pci_unplug test. The crash occurs in a non-recoverable teardown path."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T11:44:59.557Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/3cc1116de10953f0265a05d9f351b02a9ec3b497"
        },
        {
          "url": "https://git.kernel.org/stable/c/05b1b33936b71e5f189a813a517f72e8a27fcb2f"
        },
        {
          "url": "https://git.kernel.org/stable/c/3990ef742c064e22189b954522930db04fc6b1a7"
        },
        {
          "url": "https://git.kernel.org/stable/c/6383199ada42d30562b4249c393592a2a9c38165"
        },
        {
          "url": "https://git.kernel.org/stable/c/b61badd20b443eabe132314669bb51a263982e5c"
        }
      ],
      "title": "drm/amdgpu: fix usage slab after free",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-56551",
    "datePublished": "2024-12-27T14:22:53.318Z",
    "dateReserved": "2024-12-27T14:03:05.989Z",
    "dateUpdated": "2026-08-05T11:44:59.557Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T20:49:24.909Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-56551\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-03-06T16:07:43.843421Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-03-06T16:07:45.568Z\"}}], \"cna\": {\"title\": \"drm/amdgpu: fix usage slab after free\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"d38ceaf99ed015f2a0b9af3499791bd3a3daae21\", \"lessThan\": \"3cc1116de10953f0265a05d9f351b02a9ec3b497\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d38ceaf99ed015f2a0b9af3499791bd3a3daae21\", \"lessThan\": \"05b1b33936b71e5f189a813a517f72e8a27fcb2f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d38ceaf99ed015f2a0b9af3499791bd3a3daae21\", \"lessThan\": \"3990ef742c064e22189b954522930db04fc6b1a7\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d38ceaf99ed015f2a0b9af3499791bd3a3daae21\", \"lessThan\": \"6383199ada42d30562b4249c393592a2a9c38165\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d38ceaf99ed015f2a0b9af3499791bd3a3daae21\", \"lessThan\": \"b61badd20b443eabe132314669bb51a263982e5c\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpu/drm/amd/amdgpu/amdgpu_device.c\", \"drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.2\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.2\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.15.181\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.127\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.64\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.13\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpu/drm/amd/amdgpu/amdgpu_device.c\", \"drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/3cc1116de10953f0265a05d9f351b02a9ec3b497\"}, {\"url\": \"https://git.kernel.org/stable/c/05b1b33936b71e5f189a813a517f72e8a27fcb2f\"}, {\"url\": \"https://git.kernel.org/stable/c/3990ef742c064e22189b954522930db04fc6b1a7\"}, {\"url\": \"https://git.kernel.org/stable/c/6383199ada42d30562b4249c393592a2a9c38165\"}, {\"url\": \"https://git.kernel.org/stable/c/b61badd20b443eabe132314669bb51a263982e5c\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amdgpu: fix usage slab after free\\n\\n[  +0.000021] BUG: KASAN: slab-use-after-free in drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched]\\n[  +0.000027] Read of size 8 at addr ffff8881b8605f88 by task amd_pci_unplug/2147\\n\\n[  +0.000023] CPU: 6 PID: 2147 Comm: amd_pci_unplug Not tainted 6.10.0+ #1\\n[  +0.000016] Hardware name: ASUS System Product Name/ROG STRIX B550-F GAMING (WI-FI), BIOS 1401 12/03/2020\\n[  +0.000016] Call Trace:\\n[  +0.000008]  \u003cTASK\u003e\\n[  +0.000009]  dump_stack_lvl+0x76/0xa0\\n[  +0.000017]  print_report+0xce/0x5f0\\n[  +0.000017]  ? drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched]\\n[  +0.000019]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000015]  ? kasan_complete_mode_report_info+0x72/0x200\\n[  +0.000016]  ? drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched]\\n[  +0.000019]  kasan_report+0xbe/0x110\\n[  +0.000015]  ? drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched]\\n[  +0.000023]  __asan_report_load8_noabort+0x14/0x30\\n[  +0.000014]  drm_sched_entity_flush+0x6cb/0x7a0 [gpu_sched]\\n[  +0.000020]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000013]  ? __kasan_check_write+0x14/0x30\\n[  +0.000016]  ? __pfx_drm_sched_entity_flush+0x10/0x10 [gpu_sched]\\n[  +0.000020]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000013]  ? __kasan_check_write+0x14/0x30\\n[  +0.000013]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000013]  ? enable_work+0x124/0x220\\n[  +0.000015]  ? __pfx_enable_work+0x10/0x10\\n[  +0.000013]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000014]  ? free_large_kmalloc+0x85/0xf0\\n[  +0.000016]  drm_sched_entity_destroy+0x18/0x30 [gpu_sched]\\n[  +0.000020]  amdgpu_vce_sw_fini+0x55/0x170 [amdgpu]\\n[  +0.000735]  ? __kasan_check_read+0x11/0x20\\n[  +0.000016]  vce_v4_0_sw_fini+0x80/0x110 [amdgpu]\\n[  +0.000726]  amdgpu_device_fini_sw+0x331/0xfc0 [amdgpu]\\n[  +0.000679]  ? mutex_unlock+0x80/0xe0\\n[  +0.000017]  ? __pfx_amdgpu_device_fini_sw+0x10/0x10 [amdgpu]\\n[  +0.000662]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000014]  ? __kasan_check_write+0x14/0x30\\n[  +0.000013]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000013]  ? mutex_unlock+0x80/0xe0\\n[  +0.000016]  amdgpu_driver_release_kms+0x16/0x80 [amdgpu]\\n[  +0.000663]  drm_minor_release+0xc9/0x140 [drm]\\n[  +0.000081]  drm_release+0x1fd/0x390 [drm]\\n[  +0.000082]  __fput+0x36c/0xad0\\n[  +0.000018]  __fput_sync+0x3c/0x50\\n[  +0.000014]  __x64_sys_close+0x7d/0xe0\\n[  +0.000014]  x64_sys_call+0x1bc6/0x2680\\n[  +0.000014]  do_syscall_64+0x70/0x130\\n[  +0.000014]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000014]  ? irqentry_exit_to_user_mode+0x60/0x190\\n[  +0.000015]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000014]  ? irqentry_exit+0x43/0x50\\n[  +0.000012]  ? srso_return_thunk+0x5/0x5f\\n[  +0.000013]  ? exc_page_fault+0x7c/0x110\\n[  +0.000015]  entry_SYSCALL_64_after_hwframe+0x76/0x7e\\n[  +0.000014] RIP: 0033:0x7ffff7b14f67\\n[  +0.000013] Code: ff e8 0d 16 02 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 03 00 00 00 0f 05 \u003c48\u003e 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 73 ba f7 ff\\n[  +0.000026] RSP: 002b:00007fffffffe378 EFLAGS: 00000246 ORIG_RAX: 0000000000000003\\n[  +0.000019] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffff7b14f67\\n[  +0.000014] RDX: 0000000000000000 RSI: 00007ffff7f6f47a RDI: 0000000000000003\\n[  +0.000014] RBP: 00007fffffffe3a0 R08: 0000555555569890 R09: 0000000000000000\\n[  +0.000014] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffffffe5c8\\n[  +0.000013] R13: 00005555555552a9 R14: 0000555555557d48 R15: 00007ffff7ffd040\\n[  +0.000020]  \u003c/TASK\u003e\\n\\n[  +0.000016] Allocated by task 383 on cpu 7 at 26.880319s:\\n[  +0.000014]  kasan_save_stack+0x28/0x60\\n[  +0.000008]  kasan_save_track+0x18/0x70\\n[  +0.000007]  kasan_save_alloc_info+0x38/0x60\\n[  +0.000007]  __kasan_kmalloc+0xc1/0xd0\\n[  +0.000007]  kmalloc_trace_noprof+0x180/0x380\\n[  +0.000007]  drm_sched_init+0x411/0xec0 [gpu_sched]\\n[  +0.000012]  amdgpu_device_init+0x695f/0xa610 [amdgpu]\\n[  +0.000658]  amdgpu_driver_load_kms+0x1a/0x120 [amdgpu]\\n[  +0.000662]  amdgpu_pci_p\\n---truncated---\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.181\", \"versionStartIncluding\": \"4.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.127\", \"versionStartIncluding\": \"4.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.64\", \"versionStartIncluding\": \"4.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.4\", \"versionStartIncluding\": \"4.2\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.13\", \"versionStartIncluding\": \"4.2\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-09-16T08:02:55.449Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-56551\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T20:49:24.909Z\", \"dateReserved\": \"2024-12-27T14:03:05.989Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-12-27T14:22:53.318Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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