{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2025-68286",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2025-68286"
  ],
  "published": "2025-12-16T15:06:57Z",
  "summary": "drm/amd/display: Check NULL before accessing",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check NULL before accessing\n\n[WHAT]\nIGT kms_cursor_legacy's long-nonblocking-modeset-vs-cursor-atomic\nfails with NULL pointer dereference. This can be reproduced with\nboth an eDP panel and a DP monitors connected.\n\n BUG: kernel NULL pointer dereference, address: 0000000000000000\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] SMP NOPTI\n CPU: 13 UID: 0 PID: 2960 Comm: kms_cursor_lega Not tainted\n6.16.0-99-custom #8 PREEMPT(voluntary)\n Hardware name: AMD ........\n RIP: 0010:dc_stream_get_scanoutpos+0x34/0x130 [amdgpu]\n Code: 57 4d 89 c7 41 56 49 89 ce 41 55 49 89 d5 41 54 49\n 89 fc 53 48 83 ec 18 48 8b 87 a0 64 00 00 48 89 75 d0 48 c7 c6 e0 41 30\n c2 <48> 8b 38 48 8b 9f 68 06 00 00 e8 8d d7 fd ff 31 c0 48 81 c3 e0 02\n RSP: 0018:ffffd0f3c2bd7608 EFLAGS: 00010292\n RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffd0f3c2bd7668\n RDX: ffffd0f3c2bd7664 RSI: ffffffffc23041e0 RDI: ffff8b32494b8000\n RBP: ffffd0f3c2bd7648 R08: ffffd0f3c2bd766c R09: ffffd0f3c2bd7760\n R10: ffffd0f3c2bd7820 R11: 0000000000000000 R12: ffff8b32494b8000\n R13: ffffd0f3c2bd7664 R14: ffffd0f3c2bd7668 R15: ffffd0f3c2bd766c\n FS:  000071f631b68700(0000) GS:ffff8b399f114000(0000)\nknlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000000000000 CR3: 00000001b8105000 CR4: 0000000000f50ef0\n PKRU: 55555554\n Call Trace:\n <TASK>\n dm_crtc_get_scanoutpos+0xd7/0x180 [amdgpu]\n amdgpu_display_get_crtc_scanoutpos+0x86/0x1c0 [amdgpu]\n ? __pfx_amdgpu_crtc_get_scanout_position+0x10/0x10[amdgpu]\n amdgpu_crtc_get_scanout_position+0x27/0x50 [amdgpu]\n drm_crtc_vblank_helper_get_vblank_timestamp_internal+0xf7/0x400\n drm_crtc_vblank_helper_get_vblank_timestamp+0x1c/0x30\n drm_crtc_get_last_vbltimestamp+0x55/0x90\n drm_crtc_next_vblank_start+0x45/0xa0\n drm_atomic_helper_wait_for_fences+0x81/0x1f0\n ...\n\n(cherry picked from commit 621e55f1919640acab25383362b96e65f2baea3c)",
  "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": "6.1.159",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-68286"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/781f2f32e9c19eb791b52af283c96f9a9677a7f2"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/09092269cb762378ca8b56024746b1a136761e0d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/109e9c92543f3105e8e1efd2c5e6b92ef55d5743"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9d1a65cbe3ec5da3003c8434ac7a38dcdc958fd9"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f7cf491cd5b54b5a093bd3fdf76fa2860a7522bf"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/62150f1e7ec707da76ff353fb7db51fef9cd6557"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/3ce62c189693e8ed7b3abe551802bbc67f3ace54"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T12:19:11Z"
  }
}