{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/xe/xe_configfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7f971dfd48983074adc7bbcea3ee95ce7aad47cb",
              "status": "affected",
              "version": "b30d5de3d40c3fa642079bac0d91f17091c5f877",
              "versionType": "git"
            },
            {
              "lessThan": "3557359ea3df32430ea7c30f7a708ca9a91d7e0e",
              "status": "affected",
              "version": "b30d5de3d40c3fa642079bac0d91f17091c5f877",
              "versionType": "git"
            },
            {
              "lessThan": "e377182f0266f46f02d01838e6bde67b9dac0d66",
              "status": "affected",
              "version": "b30d5de3d40c3fa642079bac0d91f17091c5f877",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/xe/xe_configfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.18"
            },
            {
              "lessThan": "6.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0-rc3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.17",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.7",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0-rc3",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe/configfs: Free ctx_restore_mid_bb in release\n\nctx_restore_mid_bb memory is allocated in wa_bb_store(), but\nxe_config_device_release() only frees ctx_restore_post_bb.\n\nFree ctx_restore_mid_bb[0].cs as well to avoid leaking the allocation\nwhen the configfs device is removed.\n\n(cherry picked from commit a235e7d0098337c3f2d1e8f3610c719a589e115f)"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-03T13:24:30.548Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7f971dfd48983074adc7bbcea3ee95ce7aad47cb"
        },
        {
          "url": "https://git.kernel.org/stable/c/3557359ea3df32430ea7c30f7a708ca9a91d7e0e"
        },
        {
          "url": "https://git.kernel.org/stable/c/e377182f0266f46f02d01838e6bde67b9dac0d66"
        }
      ],
      "title": "drm/xe/configfs: Free ctx_restore_mid_bb in release",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23421",
    "datePublished": "2026-04-03T13:24:30.548Z",
    "dateReserved": "2026-01-13T15:37:46.015Z",
    "dateUpdated": "2026-04-03T13:24:30.548Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-23421\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-04-03T14:16:28.190\",\"lastModified\":\"2026-04-03T16:10:23.730\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/xe/configfs: Free ctx_restore_mid_bb in release\\n\\nctx_restore_mid_bb memory is allocated in wa_bb_store(), but\\nxe_config_device_release() only frees ctx_restore_post_bb.\\n\\nFree ctx_restore_mid_bb[0].cs as well to avoid leaking the allocation\\nwhen the configfs device is removed.\\n\\n(cherry picked from commit a235e7d0098337c3f2d1e8f3610c719a589e115f)\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3557359ea3df32430ea7c30f7a708ca9a91d7e0e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7f971dfd48983074adc7bbcea3ee95ce7aad47cb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e377182f0266f46f02d01838e6bde67b9dac0d66\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}