{"id":"CVE-2026-68243","state":"PUBLISHED","title":"drm/i915/gem: Fix NULL deref in I915_CONTEXT_PARAM_SSEU","description":"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)","publishedAt":"2026-08-10T12:01:09.484Z","updatedAt":"2026-08-19T16:32:08.740Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d4433c7600f794623d6802395542cf4ca4f1b1f9","status":"affected","lessThan":"97a4872ef927dee301d76085cb19f6e36d4a53a4","versionType":"git"},{"version":"d4433c7600f794623d6802395542cf4ca4f1b1f9","status":"affected","lessThan":"b226dee4ee1fff2909f79e8ad700b7082f8d3569","versionType":"git"},{"version":"d4433c7600f794623d6802395542cf4ca4f1b1f9","status":"affected","lessThan":"edd2edaca52ada833c341c8b264aaea9dd93369c","versionType":"git"},{"version":"d4433c7600f794623d6802395542cf4ca4f1b1f9","status":"affected","lessThan":"9923c223d38fcd9602f41cc31d480e5299d9a38e","versionType":"git"},{"version":"d4433c7600f794623d6802395542cf4ca4f1b1f9","status":"affected","lessThan":"726f27bca93e6c83b263542669132ee1d0eb693e","versionType":"git"},{"version":"d4433c7600f794623d6802395542cf4ca4f1b1f9","status":"affected","lessThan":"97f236379f06a5082d37c6a764edd56bb58a94cd","versionType":"git"},{"version":"d4433c7600f794623d6802395542cf4ca4f1b1f9","status":"affected","lessThan":"2b56757a9a7456825eb668fde92299e01c5e2721","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/i915/gem/i915_gem_context.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.216","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/i915/gem/i915_gem_context.c"]}],"references":["https://git.kernel.org/stable/c/97a4872ef927dee301d76085cb19f6e36d4a53a4","https://git.kernel.org/stable/c/b226dee4ee1fff2909f79e8ad700b7082f8d3569","https://git.kernel.org/stable/c/edd2edaca52ada833c341c8b264aaea9dd93369c","https://git.kernel.org/stable/c/9923c223d38fcd9602f41cc31d480e5299d9a38e","https://git.kernel.org/stable/c/726f27bca93e6c83b263542669132ee1d0eb693e","https://git.kernel.org/stable/c/97f236379f06a5082d37c6a764edd56bb58a94cd","https://git.kernel.org/stable/c/2b56757a9a7456825eb668fde92299e01c5e2721"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/68xxx/CVE-2026-68243.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68243","state":"PUBLISHED","datePublished":"2026-08-10T12:01:09.484Z","dateUpdated":"2026-08-19T16:32:08.740Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-30T09:28:09.377Z"},"containers":{"cna":{"title":"drm/i915/gem: Fix NULL deref in I915_CONTEXT_PARAM_SSEU","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)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d4433c7600f794623d6802395542cf4ca4f1b1f9","status":"affected","lessThan":"97a4872ef927dee301d76085cb19f6e36d4a53a4","versionType":"git"},{"version":"d4433c7600f794623d6802395542cf4ca4f1b1f9","status":"affected","lessThan":"b226dee4ee1fff2909f79e8ad700b7082f8d3569","versionType":"git"},{"version":"d4433c7600f794623d6802395542cf4ca4f1b1f9","status":"affected","lessThan":"edd2edaca52ada833c341c8b264aaea9dd93369c","versionType":"git"},{"version":"d4433c7600f794623d6802395542cf4ca4f1b1f9","status":"affected","lessThan":"9923c223d38fcd9602f41cc31d480e5299d9a38e","versionType":"git"},{"version":"d4433c7600f794623d6802395542cf4ca4f1b1f9","status":"affected","lessThan":"726f27bca93e6c83b263542669132ee1d0eb693e","versionType":"git"},{"version":"d4433c7600f794623d6802395542cf4ca4f1b1f9","status":"affected","lessThan":"97f236379f06a5082d37c6a764edd56bb58a94cd","versionType":"git"},{"version":"d4433c7600f794623d6802395542cf4ca4f1b1f9","status":"affected","lessThan":"2b56757a9a7456825eb668fde92299e01c5e2721","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/i915/gem/i915_gem_context.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.216","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/i915/gem/i915_gem_context.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-19T16:32:08.740Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.15.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.1.183"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.6.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.18.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}