{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89802","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-11T19:38:34.767Z","datePublished":"2026-09-16T10:30:35.738Z","dateUpdated":"2026-09-16T10:30:35.738Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-16T10:30:35.738Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/nouveau/uvmm: fix NULL deref unwinding an OP_MAP_SPARSE op\n\nEach bind_job_op is zeroed by kzalloc_obj() in bind_job_op_from_uop(),\nand the OP_MAP_SPARSE case in nouveau_uvmm_bind_job_submit() only creates\na region, so op->ops stays NULL for a successfully processed sparse map.\n\nIf a later op in the same job fails, the reverse unwind loop revisits that\nop and calls drm_gpuva_ops_free(&uvmm->base, op->ops) unconditionally.\ndrm_gpuva_ops_free() dereferences its argument right away\n(list_for_each_entry_safe on &ops->list), so a NULL op->ops oopses. The\npath is reachable by any render-node fd holder, since NOUVEAU_VM_BIND is\nDRM_RENDER_ALLOW.\n\nGuard the free with IS_ERR_OR_NULL(), as nouveau_uvmm_bind_job_cleanup()\nalready does for the identical free."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/nouveau/nouveau_uvmm.c"],"versions":[{"version":"b88baab828713ce0b49b185444b2ee83bed373a8","lessThan":"3bf493cf7ed0c2b3df728977a257e0d99b4db1c6","status":"affected","versionType":"git"},{"version":"b88baab828713ce0b49b185444b2ee83bed373a8","lessThan":"b7dc03e09313d22a6d230b759de3b05d504c008f","status":"affected","versionType":"git"},{"version":"b88baab828713ce0b49b185444b2ee83bed373a8","lessThan":"3857238de6bce6c1573e8cb86c37b067e5208f05","status":"affected","versionType":"git"},{"version":"b88baab828713ce0b49b185444b2ee83bed373a8","lessThan":"412a6ceb56d501ef2f8202e26ab4b5d4dfbca566","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/nouveau/nouveau_uvmm.c"],"versions":[{"version":"6.6","status":"affected"},{"version":"0","lessThan":"6.6","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-rc2","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":"6.6","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.3-rc2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3bf493cf7ed0c2b3df728977a257e0d99b4db1c6"},{"url":"https://git.kernel.org/stable/c/b7dc03e09313d22a6d230b759de3b05d504c008f"},{"url":"https://git.kernel.org/stable/c/3857238de6bce6c1573e8cb86c37b067e5208f05"},{"url":"https://git.kernel.org/stable/c/412a6ceb56d501ef2f8202e26ab4b5d4dfbca566"}],"title":"drm/nouveau/uvmm: fix NULL deref unwinding an OP_MAP_SPARSE op","x_generator":{"engine":"bippy-1.2.0"}}}}