{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "4e387ad67efb100b645630ffbce7716786f52283",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "af3303970da5ce5bfe6dffdd07f38f42aad603e0",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix mismatched unlock for DMUB HW lock in HWSS fast path\n\n[Why]\nThe evaluation for whether we need to use the DMUB HW lock isn\u0027t the\nsame as whether we need to unlock which results in a hang when the\nfast path is used for ASIC without FAMS support.\n\n[How]\nStore a flag that indicates whether we should use the lock and use\nthat same flag to specify whether unlocking is needed."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-08T13:11:24.952Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/4e387ad67efb100b645630ffbce7716786f52283"
        },
        {
          "url": "https://git.kernel.org/stable/c/af3303970da5ce5bfe6dffdd07f38f42aad603e0"
        }
      ],
      "title": "drm/amd/display: Fix mismatched unlock for DMUB HW lock in HWSS fast path",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43305",
    "datePublished": "2026-05-08T13:11:24.952Z",
    "dateReserved": "2026-05-01T14:12:56.000Z",
    "dateUpdated": "2026-05-08T13:11:24.952Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-43305\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-05-08T14:16:37.813\",\"lastModified\":\"2026-05-08T14:16:37.813\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: Fix mismatched unlock for DMUB HW lock in HWSS fast path\\n\\n[Why]\\nThe evaluation for whether we need to use the DMUB HW lock isn\u0027t the\\nsame as whether we need to unlock which results in a hang when the\\nfast path is used for ASIC without FAMS support.\\n\\n[How]\\nStore a flag that indicates whether we should use the lock and use\\nthat same flag to specify whether unlocking is needed.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/4e387ad67efb100b645630ffbce7716786f52283\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/af3303970da5ce5bfe6dffdd07f38f42aad603e0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}