{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"
            },
            {
              "fixed": "853c2d31408bd45dcf92d0eb1f06eb439a56cf04"
            },
            {
              "fixed": "d089f32d34f821c8f0ef23d5fcd77bd43c1b3b92"
            },
            {
              "fixed": "5edbb409b0bc5001195f4b7cfca19122361211a1"
            },
            {
              "fixed": "3141e3d61469bba2624a91c5e2407f110b33b29e"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.104"
            },
            {
              "fixed": "6.18.45"
            },
            {
              "fixed": "7.1.9"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.104"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.45"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74732.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check for tg ops in dce110_set_avmute\n\nSome older DCE timing generators do not implement is_tg_enabled in\ntheir ops table. Calling it unconditionally when waiting for AV mute\nframes causes a NULL pointer dereference on Southern Islands dGPUs\nwhen turning the display off over HDMI.\n\nCheck that tg and the required ops exist before waiting for frames.\n\n(cherry picked from commit 2686a0c0aaa07bec2e24131835cf27b5fd4935a5)",
  "id": "CVE-2026-74732",
  "modified": "2026-08-24T11:35:43.544761229Z",
  "published": "2026-08-22T15:33:20.934Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3141e3d61469bba2624a91c5e2407f110b33b29e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5edbb409b0bc5001195f4b7cfca19122361211a1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/853c2d31408bd45dcf92d0eb1f06eb439a56cf04"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d089f32d34f821c8f0ef23d5fcd77bd43c1b3b92"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74732.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74732"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "drm/amd/display: Check for tg ops in dce110_set_avmute"
}