{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-56551",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-56551"
  ],
  "published": "2024-12-27T14:24:16Z",
  "summary": "drm/amdgpu: fix usage slab after free",
  "details": "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]  <TASK>\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 <48> 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]  </TASK>\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---",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.127",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-56551"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/3cc1116de10953f0265a05d9f351b02a9ec3b497"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/05b1b33936b71e5f189a813a517f72e8a27fcb2f"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/3990ef742c064e22189b954522930db04fc6b1a7"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6383199ada42d30562b4249c393592a2a9c38165"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/b61badd20b443eabe132314669bb51a263982e5c"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T11:52:36Z"
  }
}
