Description
Race condition in (1) checkinstall 1.6.1 and (2) installwatch allows local users to overwrite arbitrary files and have other impacts via symlink and possibly other attacks on temporary working directories.
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 | checkinstall | 1.6.1-7 | — |
| Debian 13 | checkinstall | 1.6.1-7 | — |
| Debian 12 | checkinstall | 1.6.1-7 | — |