CVE-2026-109976

NameCVE-2026-109976
DescriptionA 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.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1150905

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
clevis (PTS)bookworm19-2vulnerable
trixie20-1vulnerable
forky, sid23-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
clevissource(unstable)(unfixed)1150905

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=2550375

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