{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89807","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-11T19:38:34.767Z","datePublished":"2026-09-16T10:30:40.572Z","dateUpdated":"2026-09-16T10:30:40.572Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-16T10:30:40.572Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: guard against NULL restore_mqd in CRIU queue restore\n\nBoth create_queue_cpsch() and create_queue_nocpsch() unconditionally\ncall mqd_mgr->restore_mqd() when a CRIU restore is in progress\n(qd != NULL), with no NULL guard. On any system where restore_mqd is\nnot implemented for the given queue type, a user holding\nCAP_CHECKPOINT_RESTORE can trigger a kernel NULL pointer dereference\nand panic the machine by issuing KFD_IOC_CRIU_OP_RESTORE with a\ncrafted queue restore object. Note that checkpoint_mqd is likewise\nunimplemented on GFX12, so no legitimate CRIU image can reach this\npath — only a hand-crafted restore payload.\n\nAdd a NULL guard for restore_mqd immediately after mqd_mgr is\nresolved, unwinding via the existing error labels and returning\n-EOPNOTSUPP if the callback is not implemented. This mirrors the\nexisting checkpoint_mqd guard in checkpoint_mqd()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c"],"versions":[{"version":"48f0bdf4e38e42b8285622cfcfc7e6e490b1a719","lessThan":"19c73848493ab58e39649700da6de11710a36de1","status":"affected","versionType":"git"},{"version":"48f0bdf4e38e42b8285622cfcfc7e6e490b1a719","lessThan":"ebffa44e7a21ead59ac4b4264e8fc2cbb44c4a21","status":"affected","versionType":"git"},{"version":"48f0bdf4e38e42b8285622cfcfc7e6e490b1a719","lessThan":"c643c229babe2e8efc5eefe60e19d44868a643ff","status":"affected","versionType":"git"},{"version":"48f0bdf4e38e42b8285622cfcfc7e6e490b1a719","lessThan":"6aa530642f95d5c48aa336416f94a35e7949b647","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c"],"versions":[{"version":"6.11","status":"affected"},{"version":"0","lessThan":"6.11","status":"unaffected","versionType":"semver"},{"version":"6.12.110","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.51","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.5","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/19c73848493ab58e39649700da6de11710a36de1"},{"url":"https://git.kernel.org/stable/c/ebffa44e7a21ead59ac4b4264e8fc2cbb44c4a21"},{"url":"https://git.kernel.org/stable/c/c643c229babe2e8efc5eefe60e19d44868a643ff"},{"url":"https://git.kernel.org/stable/c/6aa530642f95d5c48aa336416f94a35e7949b647"}],"title":"drm/amdkfd: guard against NULL restore_mqd in CRIU queue restore","x_generator":{"engine":"bippy-1.2.0"}}}}