CVE-2026-68243 (GCVE-0-2026-68243)
Vulnerability from cvelistv5
Published
2026-08-10 12:01
Modified
2026-08-19 16:32
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Fix NULL deref in I915_CONTEXT_PARAM_SSEU Setting context engine slot N into I915_ENGINE_CLASS_INVALID / I915_ENGINE_CLASS_INVALID_NONE and attempting to apply I915_CONTEXT_PARAM_SSEU to the same slot N will deref NULL. Fix that. Discovered using AI-assisted static analysis confirmed by Intel Product Security. (cherry picked from commit 36eda5b5c2d40da41cc0a5403c26986237cf9e87)
Impacted products
Vendor Product Version
Linux Linux Version: d4433c7600f794623d6802395542cf4ca4f1b1f9
Version: d4433c7600f794623d6802395542cf4ca4f1b1f9
Version: d4433c7600f794623d6802395542cf4ca4f1b1f9
Version: d4433c7600f794623d6802395542cf4ca4f1b1f9
Version: d4433c7600f794623d6802395542cf4ca4f1b1f9
Version: d4433c7600f794623d6802395542cf4ca4f1b1f9
Version: d4433c7600f794623d6802395542cf4ca4f1b1f9
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/i915/gem/i915_gem_context.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
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          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/i915/gem/i915_gem_context.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.15"
            },
            {
              "lessThan": "5.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.216",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.183",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.148",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.101",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.42",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.216",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.183",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "6.6.148",
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                  "vulnerable": true
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                {
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                  "versionEndExcluding": "6.12.101",
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.42",
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                  "vulnerable": true
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                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.6",
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                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915/gem: Fix NULL deref in I915_CONTEXT_PARAM_SSEU\n\nSetting context engine slot N into I915_ENGINE_CLASS_INVALID /\nI915_ENGINE_CLASS_INVALID_NONE and attempting to apply\nI915_CONTEXT_PARAM_SSEU to the same slot N will deref NULL.\nFix that.\n\nDiscovered using AI-assisted static analysis confirmed by\nIntel Product Security.\n\n(cherry picked from commit 36eda5b5c2d40da41cc0a5403c26986237cf9e87)"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-19T16:32:08.740Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/97a4872ef927dee301d76085cb19f6e36d4a53a4"
        },
        {
          "url": "https://git.kernel.org/stable/c/b226dee4ee1fff2909f79e8ad700b7082f8d3569"
        },
        {
          "url": "https://git.kernel.org/stable/c/edd2edaca52ada833c341c8b264aaea9dd93369c"
        },
        {
          "url": "https://git.kernel.org/stable/c/9923c223d38fcd9602f41cc31d480e5299d9a38e"
        },
        {
          "url": "https://git.kernel.org/stable/c/726f27bca93e6c83b263542669132ee1d0eb693e"
        },
        {
          "url": "https://git.kernel.org/stable/c/97f236379f06a5082d37c6a764edd56bb58a94cd"
        },
        {
          "url": "https://git.kernel.org/stable/c/2b56757a9a7456825eb668fde92299e01c5e2721"
        }
      ],
      "title": "drm/i915/gem: Fix NULL deref in I915_CONTEXT_PARAM_SSEU",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-68243",
    "datePublished": "2026-08-10T12:01:09.484Z",
    "dateReserved": "2026-07-30T09:28:09.377Z",
    "dateUpdated": "2026-08-19T16:32:08.740Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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