{"id":"CVE-2026-80813","title":"kernel: nvmet: fix NULL pointer dereference in nvmet_execute_identify_nslist() (CVE-2026-80813)","summary":"A flaw was found in the Linux kernel's nvmet subsystem. A remote attacker can trigger a NULL pointer dereference in the nvmet_execute_identify_nslist() function by issuing a specific Identify command (CNS 07h). This vulnerability can lead …","severity":"medium","cvss":5.7,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":"CWE-476","vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","affected":["enterprise_linux 10","enterprise_linux 9","openshift_container_platform 4"],"published":"2026-09-04","updated":"2026-10-25","sourceUpdated":"2026-10-25T23:19:29+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80813.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80813.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-80813"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2528559"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80813"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80813"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-80813.mbox"},{"url":"https://kernelcve.org/list/?q=CVE-2026-80813"},{"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"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.00209,"epssPercentile":0.10964,"ingestedAt":"2026-10-19T09:16:01.507Z","slug":"CVE-2026-80813","body":"## Overview\n\nA flaw was found in the Linux kernel's nvmet subsystem. A remote attacker can trigger a NULL pointer dereference in the nvmet_execute_identify_nslist() function by issuing a specific Identify command (CNS 07h). This vulnerability can lead to a kernel crash, resulting in a Denial of Service (DoS) for the affected system.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-25 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80813.json)\n\n**kernel: nvmet: fix NULL pointer dereference in nvmet_execute_identify_nslist()** — rated Moderate by Red Hat. Released 2026-09-04, updated 2026-10-25.\n\nAffected:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 9\n- Red Hat OpenShift Container Platform 4\n\nNo fix planned:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 9\n- Red Hat OpenShift Container Platform 4\n\nNot affected:\n\n- Red Hat Enterprise Linux 6\n- Red Hat Enterprise Linux 7\n- Red Hat Enterprise Linux 8\n- Red Hat OpenShift Container Platform 4\n\n## Remediation\n\nAffected\n\nWorkarounds / mitigations:\n\n- Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":31.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":229463,"id":"CVE-2026-80813","ts":1793019785059,"field":"cvss","old":null,"new":"5.7"},{"seq":229462,"id":"CVE-2026-80813","ts":1793019785059,"field":"severity","old":"none","new":"medium"}]}