CVE-2026-68238

{
  "id": "CVE-2026-68238",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-08-10T13:20:12.163",
  "lastModified": "2026-10-30T13:19:41.863",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Release VFCT ACPI table reference\n\namdgpu_acpi_vfct_bios() fetches the VFCT table with acpi_get_table()\nbut never releases it. acpi_get_table() takes a reference on the\ntable (incrementing its validation_count and mapping it on the 0->1\ntransition); without a paired acpi_put_table() the mapping is leaked\non every call, whether or not a matching VBIOS image is found.\n\nRoute all exit paths after the table is acquired through a common\nacpi_put_table(). The VBIOS image is copied out with kmemdup() before\nthe table is released, so it remains valid for the caller.\n\n(cherry picked from commit ca5988682b4cba4cd125a0fa99b2de1239164ae4)"
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21",
              "lessThan": "1c19e02a689661a9687d689dcc5995d3be538262",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21",
              "lessThan": "1748043b5114ce5ee5ee874d5f821a158d70631c",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21",
              "lessThan": "50a75929c0c5e8ab29a3ac49dc92489873d9d261",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21",
              "lessThan": "312278b3091912fa56a6a587609f17dcb33465c2",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21",
              "lessThan": "9b7de3ee5d2c5ee2a706e5f7ca0126f4fbea4da8",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21",
              "lessThan": "65bff26617607c1331283232016c0e89088c5b78",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "4.2",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "4.2",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.1.191",
              "lessThanOrEqual": "6.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.6.160",
              "lessThanOrEqual": "6.6.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.12.114",
              "lessThanOrEqual": "6.12.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18.42",
              "lessThanOrEqual": "6.18.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.1.6",
              "lessThanOrEqual": "7.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.2",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/1748043b5114ce5ee5ee874d5f821a158d70631c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/1c19e02a689661a9687d689dcc5995d3be538262",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/312278b3091912fa56a6a587609f17dcb33465c2",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/50a75929c0c5e8ab29a3ac49dc92489873d9d261",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/65bff26617607c1331283232016c0e89088c5b78",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/9b7de3ee5d2c5ee2a706e5f7ca0126f4fbea4da8",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}