{"id":"CVE-2026-90064","state":"PUBLISHED","title":"drm/xe: Reject page faults from non-fault-mode scratch VMs","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Reject page faults from non-fault-mode scratch VMs\n\nHaving scratch enabled does not make a VM capable of handling recoverable\npage faults. Allowing scratch VMs through the ASID lookup also admits\ndma-fence mode VMs.\n\nIf such a VM faults on an already valid VMA, the handler reports success\nwithout fixing the fault, causing the GPU to retry indefinitely.\n\nOnly allow fault-mode VMs through the ASID lookup. Fault-mode VMs using\nscratch remain supported, while faults from 3D VMs are rejected.\n\n(cherry picked from commit bfb24a06405b652d37831f3fb66b71d33a6605de)","publishedAt":"2026-09-17T16:05:47.607Z","updatedAt":"2026-10-19T08:57:21.604Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ad9843aac91a1eda12912a4922042ea04cfc29dc","status":"affected","lessThan":"905d648e97ef3a291f71a935a7fab0133f27f0f7","versionType":"git"},{"version":"ad9843aac91a1eda12912a4922042ea04cfc29dc","status":"affected","lessThan":"5e977521d21717edb8e91d004434697d6e3f248c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/xe/xe_pagefault.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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/xe/xe_pagefault.c"]}],"references":["https://git.kernel.org/stable/c/905d648e97ef3a291f71a935a7fab0133f27f0f7","https://git.kernel.org/stable/c/5e977521d21717edb8e91d004434697d6e3f248c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90064.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90064","state":"PUBLISHED","datePublished":"2026-09-17T16:05:47.607Z","dateUpdated":"2026-10-19T08:57:21.604Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.784Z"},"containers":{"cna":{"title":"drm/xe: Reject page faults from non-fault-mode scratch VMs","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Reject page faults from non-fault-mode scratch VMs\n\nHaving scratch enabled does not make a VM capable of handling recoverable\npage faults. Allowing scratch VMs through the ASID lookup also admits\ndma-fence mode VMs.\n\nIf such a VM faults on an already valid VMA, the handler reports success\nwithout fixing the fault, causing the GPU to retry indefinitely.\n\nOnly allow fault-mode VMs through the ASID lookup. Fault-mode VMs using\nscratch remain supported, while faults from 3D VMs are rejected.\n\n(cherry picked from commit bfb24a06405b652d37831f3fb66b71d33a6605de)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ad9843aac91a1eda12912a4922042ea04cfc29dc","status":"affected","lessThan":"905d648e97ef3a291f71a935a7fab0133f27f0f7","versionType":"git"},{"version":"ad9843aac91a1eda12912a4922042ea04cfc29dc","status":"affected","lessThan":"5e977521d21717edb8e91d004434697d6e3f248c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/xe/xe_pagefault.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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/xe/xe_pagefault.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/905d648e97ef3a291f71a935a7fab0133f27f0f7"},{"url":"https://git.kernel.org/stable/c/5e977521d21717edb8e91d004434697d6e3f248c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:57:21.604Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}