Description
The isag utility, which processes sysstat data, allows local users to overwrite arbitrary files via a symlink attack on temporary files, a different vulnerability than CAN-2004-0107.
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 | sysstat | 5.0.2-1 | — |
| Debian 13 | sysstat | 5.0.2-1 | — |
| Debian 12 | sysstat | 5.0.2-1 | — |
| Debian 3.0 | sysstat | 5.0.1-1 | DSA-460 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 3 | sysstat | 4.0.7-4.EL3.2 | RHSA-2004:053 |
Advisories 2
- RHSA-2004:053 Red Hat Security Advisory: sysstat security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-460 sysstat - insecure temporary file Debian Security (DSA / DLA) · Mar 9, 2026
References
- RHSA-2004:053 vendor-advisory
- DSA-460 vendor-advisory
- 9844 vdb-entry
- sysstat-isag-symlink(15437) vdb-entry