| Name | CVE-2026-27456 |
| Description | util-linux: mount(8) TOCTOU symlink attack via loop device |
| 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) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| util-linux (PTS) | bullseye (security), bullseye | 2.36.1-8+deb11u2 | vulnerable |
| bookworm | 2.38.1-5+deb12u3 | vulnerable |
| bookworm (security) | 2.38.1-5+deb12u1 | vulnerable |
| trixie | 2.41-5 | vulnerable |
| forky | 2.41.3-4 | vulnerable |
| sid | 2.42-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| util-linux | source | (unstable) | 2.42-1 | | | |
Notes
https://github.com/util-linux/util-linux/security/advisories/GHSA-qq4x-vfq4-9h9g
Fixed by: https://github.com/util-linux/util-linux/commit/0ba0f14caa812349424df0da00ac2d97fee9d972 (v2.42)