CVE-2026-89802

{"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": "2026-10-21T12:48:45.811Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:48:45.811Z"}, "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": "d8ec34618e71018fd7a3f73c57c6b92d71a6c7c3", "status": "affected", "versionType": "git"}, {"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": "6.6.160", "lessThanOrEqual": "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", "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": "6.6.160"}, {"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"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d8ec34618e71018fd7a3f73c57c6b92d71a6c7c3"}, {"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"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/nouveau/nouveau_uvmm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "d8ec34618e71018fd7a3f73c57c6b92d71a6c7c3", "status": "affected", "version": "b88baab828713ce0b49b185444b2ee83bed373a8", "versionType": "git"}, {"lessThan": "3bf493cf7ed0c2b3df728977a257e0d99b4db1c6", "status": "affected", "version": "b88baab828713ce0b49b185444b2ee83bed373a8", "versionType": "git"}, {"lessThan": "b7dc03e09313d22a6d230b759de3b05d504c008f", "status": "affected", "version": "b88baab828713ce0b49b185444b2ee83bed373a8", "versionType": "git"}, {"lessThan": "3857238de6bce6c1573e8cb86c37b067e5208f05", "status": "affected", "version": "b88baab828713ce0b49b185444b2ee83bed373a8", "versionType": "git"}, {"lessThan": "412a6ceb56d501ef2f8202e26ab4b5d4dfbca566", "status": "affected", "version": "b88baab828713ce0b49b185444b2ee83bed373a8", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/nouveau/nouveau_uvmm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.6"}, {"lessThan": "6.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.110", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.51", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-89802", "lastModified": "2026-10-21T13:20:27.783", "metrics": {}, "published": "2026-09-16T11:16:45.113", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3857238de6bce6c1573e8cb86c37b067e5208f05"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3bf493cf7ed0c2b3df728977a257e0d99b4db1c6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/412a6ceb56d501ef2f8202e26ab4b5d4dfbca566"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b7dc03e09313d22a6d230b759de3b05d504c008f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d8ec34618e71018fd7a3f73c57c6b92d71a6c7c3"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b88baab828713ce0b49b185444b2ee83bed373a8,3bf493cf7ed0c2b3df728977a257e0d99b4db1c6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b88baab828713ce0b49b185444b2ee83bed373a8,b7dc03e09313d22a6d230b759de3b05d504c008f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b88baab828713ce0b49b185444b2ee83bed373a8,3857238de6bce6c1573e8cb86c37b067e5208f05)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b88baab828713ce0b49b185444b2ee83bed373a8,412a6ceb56d501ef2f8202e26ab4b5d4dfbca566)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.51,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.5,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-17T09:30:17.835537+00:00", "updated": "2026-09-18T10:15:06.437890+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}