| Name | CVE-2026-79619 |
| Description | OpenZFS Linux open zpool manipulation and escapes via unprivileged userns |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-6462-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| zfs-linux (PTS) | bullseye/contrib | 2.0.3-9+deb11u1 | vulnerable |
| bullseye/contrib (security) | 2.0.3-9+deb11u2 | vulnerable |
| bookworm/contrib | 2.1.11-1+deb12u1 | vulnerable |
| trixie/contrib | 2.3.2-2 | vulnerable |
| trixie/contrib (security) | 2.3.9-0+deb13u1 | fixed |
| forky/contrib | 2.4.3-3 | vulnerable |
| sid/contrib | 2.4.4-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/advisories/GHSA-mhf5-q8gw-qg9v
https://www.openwall.com/lists/oss-security/2026/08/16/5
https://github.com/openzfs/zfs/issues/18936
https://github.com/openzfs/zfs/pull/18959