{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "34d66bc7ff10e146a4cec76cf286979740a10954"
            },
            {
              "fixed": "5045fb4c70bfde36a05e0f41cf35ddfb6d85d3af"
            },
            {
              "fixed": "4a6bc92fac30070511d66bcce4ed9b7dac983180"
            },
            {
              "fixed": "f2a1c4c6fe0a6fcde02e59dde546dba28d283635"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.18.0"
            },
            {
              "fixed": "6.18.46"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80542.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix NULL pointer dereference in amdgpu_dm_crtc_set_vblank()\n\namdgpu_dm_crtc_set_vblank() dereferences acrtc_state-\u003estream when\nvblank is enabled/queried from DRM_IOCTL_MODE_CRTC_GET_SEQUENCE before\na stream is attached to it.\n\nBUG: kernel NULL pointer dereference, address: 0000000000000008\nRIP: amdgpu_dm_crtc_set_vblank+0x6b/0x4d0 [amdgpu]\nCall Trace:\n drm_vblank_enable\n drm_vblank_get\n drm_crtc_get_sequence_ioctl\n drm_ioctl_kernel\n drm_ioctl\n\nReproduced by running VKCTS with WSI tests enabled on RADV.\n\nGuard the enable path on acrtc_state-\u003estream being non-NULL, matching\nthe existing checks in this function.\n\n(cherry picked from commit 7b1b31bf6942e6f43509b48da23f8e27269aac39)",
  "id": "CVE-2026-80542",
  "modified": "2026-08-28T11:30:21.284264441Z",
  "published": "2026-08-26T14:37:15.168Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4a6bc92fac30070511d66bcce4ed9b7dac983180"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5045fb4c70bfde36a05e0f41cf35ddfb6d85d3af"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f2a1c4c6fe0a6fcde02e59dde546dba28d283635"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80542.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80542"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "drm/amd/display: Fix NULL pointer dereference in amdgpu_dm_crtc_set_vblank()"
}