| Name | CVE-2025-41259 |
| Description | SWUpdate before 2026.05 is affected by a time-of-check time-of-use (TOCTOU) race condition that allows local unprivileged attackers to escalate privileges to root or install untrusted contents using a signed update. |
| 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 | DLA-4864-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| swupdate (PTS) | bookworm | 2022.12+dfsg-4+deb12u2 | vulnerable |
| bookworm (security) | 2022.12+dfsg-4+deb12u3 | fixed |
| trixie | 2024.12.1+dfsg-3+deb13u2 | vulnerable |
| forky, sid | 2026.05.1+git20261001+dfsg-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| swupdate | source | bookworm | 2022.12+dfsg-4+deb12u3 | | DLA-4864-1 | |
| swupdate | source | (unstable) | 2026.05+dfsg-1 | | | |
Notes
[trixie] - swupdate <no-dsa> (Minor issue)
[bullseye] - swupdate <postponed> (Minor issue)
Fixed by: https://github.com/sbabic/swupdate/commit/f4bd64260e233e207354d68d572b1cbc3e63689d (2026.05)