{"id":"CVE-2026-4652","aliases":["EUVD-2026-16130","GHSA-wr95-7j53-j5c2"],"status":"published","title":"Remote denial of service via null pointer dereference","description":"On a system exposing an NVMe/TCP target, a remote client can trigger a kernel panic by sending a CONNECT command for an I/O queue with a bogus or stale CNTLID.\n\nAn attacker with network access to the NVMe/TCP target can trigger an unauthenticated Denial of Service condition on the affected machine.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00373,"percentile":0.31706,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2026-03-26T06:15:00Z","modified":"2026-06-17T10:56:58Z","products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:07.nvmf.asc","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4652"},{"url":"https://github.com/advisories/GHSA-wr95-7j53-j5c2"}],"sources":{"cve":[{"id":"CVE-2026-4652","title":"Remote denial of service via null pointer dereference","description":"On a system exposing an NVMe/TCP target, a remote client can trigger a kernel panic by sending a CONNECT command for an I/O queue with a bogus or stale CNTLID.\n\nAn attacker with network access to the NVMe/TCP target can trigger an unauthenticated Denial of Service condition on the affected machine.","status":"published","published":"2026-03-26T06:15:00.85Z","modified":"2026-03-26T13:31:31.356Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:19:59.369956Z"}],"euvd":[{"id":"EUVD-2026-16130","description":"On a system exposing an NVMe/TCP target, a remote client can trigger a kernel panic by sending a CONNECT command for an I/O queue with a bogus or stale CNTLID.\n\nAn attacker with network access to the NVMe/TCP target can trigger an unauthenticated Denial of Service condition on the affected machine.","status":"published","published":"2026-03-26T06:15:00Z","modified":"2026-03-26T13:31:31Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T19:25:28.569748Z"}],"ghsa":[{"id":"GHSA-wr95-7j53-j5c2","title":"On a system exposing an NVMe/TCP target, a remote client can trigger a kernel panic by sending a...","description":"On a system exposing an NVMe/TCP target, a remote client can trigger a kernel panic by sending a CONNECT command for an I/O queue with a bogus or stale CNTLID.\n\nAn attacker with network access to the NVMe/TCP target can trigger an unauthenticated Denial of Service condition on the affected machine.","status":"published","published":"2026-03-26T09:30:27Z","modified":"2026-03-26T15:31:38Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:06:52.998793Z"}],"nvd":[{"id":"CVE-2026-4652","description":"On a system exposing an NVMe/TCP target, a remote client can trigger a kernel panic by sending a CONNECT command for an I/O queue with a bogus or stale CNTLID.\n\nAn attacker with network access to the NVMe/TCP target can trigger an unauthenticated Denial of Service condition on the affected machine.","status":"published","published":"2026-03-26T07:16:20.54Z","modified":"2026-06-17T10:56:58.797Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:12:11.678711Z"}]}}