Description
An issue was discovered in systemd 253. An attacker can modify the contents of past events in a sealed log file and then adjust the file such that checking the integrity shows no error, despite modifications. NOTE: the vendor reportedly sent "a reply denying that any of the finding was a security vulnerability."
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | systemd | No fix yet | — |
| Debian 13 | systemd | No fix yet | — |
| Debian 12 | systemd | No fix yet | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | systemd +9 | 219-78.amzn2.0.24 | ALAS2-2024-2636 |
Advisories 1
- ALAS2-2024-2636 Low: systemd security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Sep 18, 2024