Description
cronic before 3 allows local users to write to arbitrary files via a symlink attack on a (1) cronic.out.$$, (2) cronic.err.$$, or (3) cronic.trace.$$ file in /tmp.
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 | cronic | 3-1 | — |
| Debian 13 | cronic | 3-1 | — |
| Debian 12 | cronic | 3-1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | cronic | 3-1.2 | openSUSE-SU-2024:10384-1 |
Advisories 1
- openSUSE-SU-2024:10384-1 cronic-3-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026