CVE-2026-80813

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80813", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.794Z", "datePublished": "2026-09-04T15:13:33.761Z", "dateUpdated": "2026-10-19T08:44:07.048Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:44:07.048Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: fix NULL pointer dereference in nvmet_execute_identify_nslist()\n\nWhen a host issues an Identify command with CNS 07h (Active Namespace ID\nList for a specific I/O Command Set), nvmet_execute_identify_nslist() is\ncalled with match_css set. The command-set filter dereferences req->ns,\nbut this handler never calls nvmet_req_find_ns(), so req->ns is always\nNULL (nvmet_req_init() resets it to NULL). As soon as an enabled\nnamespace with an NSID greater than the requested value exists,\nreq->ns->csi dereferences a NULL pointer and oopses.\n\nBesides the crash, the comparison is logically wrong: to filter the list\nby command set it must test the command set of the namespace being\niterated, not a single fixed value. Use the loop variable ns->csi."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/nvme/target/admin-cmd.c"], "versions": [{"version": "61c9967cd63448292a64f9ee9aeb6e2053e3a624", "lessThan": "61dc1a37e04d4003a19095f54883358330034a39", "status": "affected", "versionType": "git"}, {"version": "61c9967cd63448292a64f9ee9aeb6e2053e3a624", "lessThan": "2bc1e33ff6a558c8ceef7c0077f3ef70a15fcba2", "status": "affected", "versionType": "git"}, {"version": "61c9967cd63448292a64f9ee9aeb6e2053e3a624", "lessThan": "123d664ac98d6f3464462ad4a530474b91ba9890", "status": "affected", "versionType": "git"}, {"version": "61c9967cd63448292a64f9ee9aeb6e2053e3a624", "lessThan": "79aba4c9403419d822972d2851f2a96a2c0531cf", "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/nvme/target/admin-cmd.c"], "versions": [{"version": "6.13", "status": "affected"}, {"version": "0", "lessThan": "6.13", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.47", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.11", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.1", "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": "6.13", "versionEndExcluding": "6.18.47"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "7.1.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "7.2.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/61dc1a37e04d4003a19095f54883358330034a39"}, {"url": "https://git.kernel.org/stable/c/2bc1e33ff6a558c8ceef7c0077f3ef70a15fcba2"}, {"url": "https://git.kernel.org/stable/c/123d664ac98d6f3464462ad4a530474b91ba9890"}, {"url": "https://git.kernel.org/stable/c/79aba4c9403419d822972d2851f2a96a2c0531cf"}], "title": "nvmet: fix NULL pointer dereference in nvmet_execute_identify_nslist()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/nvme/target/admin-cmd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "61dc1a37e04d4003a19095f54883358330034a39", "status": "affected", "version": "61c9967cd63448292a64f9ee9aeb6e2053e3a624", "versionType": "git"}, {"lessThan": "2bc1e33ff6a558c8ceef7c0077f3ef70a15fcba2", "status": "affected", "version": "61c9967cd63448292a64f9ee9aeb6e2053e3a624", "versionType": "git"}, {"lessThan": "123d664ac98d6f3464462ad4a530474b91ba9890", "status": "affected", "version": "61c9967cd63448292a64f9ee9aeb6e2053e3a624", "versionType": "git"}, {"lessThan": "79aba4c9403419d822972d2851f2a96a2c0531cf", "status": "affected", "version": "61c9967cd63448292a64f9ee9aeb6e2053e3a624", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/nvme/target/admin-cmd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.13"}, {"lessThan": "6.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.47", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.11", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.1", "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\nnvmet: fix NULL pointer dereference in nvmet_execute_identify_nslist()\n\nWhen a host issues an Identify command with CNS 07h (Active Namespace ID\nList for a specific I/O Command Set), nvmet_execute_identify_nslist() is\ncalled with match_css set. The command-set filter dereferences req->ns,\nbut this handler never calls nvmet_req_find_ns(), so req->ns is always\nNULL (nvmet_req_init() resets it to NULL). As soon as an enabled\nnamespace with an NSID greater than the requested value exists,\nreq->ns->csi dereferences a NULL pointer and oopses.\n\nBesides the crash, the comparison is logically wrong: to filter the list\nby command set it must test the command set of the namespace being\niterated, not a single fixed value. Use the loop variable ns->csi."}], "id": "CVE-2026-80813", "lastModified": "2026-10-19T09:17:16.157", "metrics": {}, "published": "2026-09-04T16:18:08.793", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/123d664ac98d6f3464462ad4a530474b91ba9890"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2bc1e33ff6a558c8ceef7c0077f3ef70a15fcba2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/61dc1a37e04d4003a19095f54883358330034a39"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/79aba4c9403419d822972d2851f2a96a2c0531cf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[61c9967cd63448292a64f9ee9aeb6e2053e3a624,61dc1a37e04d4003a19095f54883358330034a39)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[61c9967cd63448292a64f9ee9aeb6e2053e3a624,2bc1e33ff6a558c8ceef7c0077f3ef70a15fcba2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[61c9967cd63448292a64f9ee9aeb6e2053e3a624,123d664ac98d6f3464462ad4a530474b91ba9890)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[61c9967cd63448292a64f9ee9aeb6e2053e3a624,79aba4c9403419d822972d2851f2a96a2c0531cf)"}}], "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": "semver", "value": "6.13"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.47,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.11,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.1,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "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": "2026-09-04T19:30:04.993664+00:00", "updated": "2026-09-04T20:00:06.589621+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}