{"id":"CVE-2026-109976","title":"A flaw was found in the clevis PKCS#11 pin","summary":"A flaw was found in the clevis PKCS#11 pin. The clevis-pkcs11-afunix-socket-unlock daemon crashes when an AF_UNIX client connects to the data socket without a bound address, due to an integer underflow in the getpeername result handling.…","severity":"medium","cvss":4.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-787"],"published":"2026-10-13","updated":"2026-10-13","sourceUpdated":"2026-10-13T14:17:36.540","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109976","references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-109976","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2550375","label":"secalert@redhat.com"}],"tags":["nvd"],"ingestedAt":"2026-10-13T13:27:04.020Z","slug":"CVE-2026-109976","body":"## Overview\n\nA flaw was found in the clevis PKCS#11 pin. The clevis-pkcs11-afunix-socket-unlock daemon crashes when an AF_UNIX client connects to the data socket without a bound address, due to an integer underflow in the getpeername result handling. This causes a denial of service, preventing LUKS disk decryption from completing during boot.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":25.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}