{"id":"CVE-2026-68242","state":"PUBLISHED","title":"drm/i915/gt: Fix NULL deref on sched_engine alloc failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915/gt: Fix NULL deref on sched_engine alloc failure\n\nAvoid using intel_context_put() before intel_context_init() in\nexeclists_create_virtual() as the kref_put() inside would lead\nto NULL deref on the IOCTL path when sched_engine allocation fails.\n\nDiscovered using AI-assisted static analysis confirmed by\nIntel Product Security.\n\n(cherry picked from commit 4f2a12f2d50e9f48227656e4dcbd6423506be31d)","publishedAt":"2026-08-10T12:01:08.447Z","updatedAt":"2026-10-30T12:28:13.711Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3e28d37146db5dd49c469bc62a93ca791067d391","status":"affected","lessThan":"9ea0aaf8bf9fda6e101f2304391f066d99d0d054","versionType":"git"},{"version":"3e28d37146db5dd49c469bc62a93ca791067d391","status":"affected","lessThan":"bedeee4612afc15c53f8d3c6da05897506b4ca24","versionType":"git"},{"version":"3e28d37146db5dd49c469bc62a93ca791067d391","status":"affected","lessThan":"7214db3e62fa9f0be7981cba9039bd835a79c070","versionType":"git"},{"version":"3e28d37146db5dd49c469bc62a93ca791067d391","status":"affected","lessThan":"c174969f6af6c22fc9c51aefcdb7f9183c3a329a","versionType":"git"},{"version":"3e28d37146db5dd49c469bc62a93ca791067d391","status":"affected","lessThan":"edd4804f07b8369ed472de19272974e2bf2a6271","versionType":"git"},{"version":"3e28d37146db5dd49c469bc62a93ca791067d391","status":"affected","lessThan":"82ec992c404c3dc774c5e9f3d4aa858e97187675","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/i915/gt/intel_execlists_submission.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","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/gt/intel_execlists_submission.c"]}],"references":["https://git.kernel.org/stable/c/9ea0aaf8bf9fda6e101f2304391f066d99d0d054","https://git.kernel.org/stable/c/bedeee4612afc15c53f8d3c6da05897506b4ca24","https://git.kernel.org/stable/c/7214db3e62fa9f0be7981cba9039bd835a79c070","https://git.kernel.org/stable/c/c174969f6af6c22fc9c51aefcdb7f9183c3a329a","https://git.kernel.org/stable/c/edd4804f07b8369ed472de19272974e2bf2a6271","https://git.kernel.org/stable/c/82ec992c404c3dc774c5e9f3d4aa858e97187675"],"weaknesses":[],"ingestedAt":"2026-10-30T12:46:06.359Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/68xxx/CVE-2026-68242.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68242","state":"PUBLISHED","datePublished":"2026-08-10T12:01:08.447Z","dateUpdated":"2026-10-30T12:28:13.711Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-30T09:28:09.377Z"},"containers":{"cna":{"title":"drm/i915/gt: Fix NULL deref on sched_engine alloc failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915/gt: Fix NULL deref on sched_engine alloc failure\n\nAvoid using intel_context_put() before intel_context_init() in\nexeclists_create_virtual() as the kref_put() inside would lead\nto NULL deref on the IOCTL path when sched_engine allocation fails.\n\nDiscovered using AI-assisted static analysis confirmed by\nIntel Product Security.\n\n(cherry picked from commit 4f2a12f2d50e9f48227656e4dcbd6423506be31d)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3e28d37146db5dd49c469bc62a93ca791067d391","status":"affected","lessThan":"9ea0aaf8bf9fda6e101f2304391f066d99d0d054","versionType":"git"},{"version":"3e28d37146db5dd49c469bc62a93ca791067d391","status":"affected","lessThan":"bedeee4612afc15c53f8d3c6da05897506b4ca24","versionType":"git"},{"version":"3e28d37146db5dd49c469bc62a93ca791067d391","status":"affected","lessThan":"7214db3e62fa9f0be7981cba9039bd835a79c070","versionType":"git"},{"version":"3e28d37146db5dd49c469bc62a93ca791067d391","status":"affected","lessThan":"c174969f6af6c22fc9c51aefcdb7f9183c3a329a","versionType":"git"},{"version":"3e28d37146db5dd49c469bc62a93ca791067d391","status":"affected","lessThan":"edd4804f07b8369ed472de19272974e2bf2a6271","versionType":"git"},{"version":"3e28d37146db5dd49c469bc62a93ca791067d391","status":"affected","lessThan":"82ec992c404c3dc774c5e9f3d4aa858e97187675","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/i915/gt/intel_execlists_submission.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","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/gt/intel_execlists_submission.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/9ea0aaf8bf9fda6e101f2304391f066d99d0d054"},{"url":"https://git.kernel.org/stable/c/bedeee4612afc15c53f8d3c6da05897506b4ca24"},{"url":"https://git.kernel.org/stable/c/7214db3e62fa9f0be7981cba9039bd835a79c070"},{"url":"https://git.kernel.org/stable/c/c174969f6af6c22fc9c51aefcdb7f9183c3a329a"},{"url":"https://git.kernel.org/stable/c/edd4804f07b8369ed472de19272974e2bf2a6271"},{"url":"https://git.kernel.org/stable/c/82ec992c404c3dc774c5e9f3d4aa858e97187675"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:28:13.711Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.12.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.18.57"},{"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"}}}}}