Description
During Zabbix installation from RPM, DAC_OVERRIDE SELinux capability is in use to access PID files in [/var/run/zabbix] folder. In this case, Zabbix Proxy or Server processes can bypass file read, write and execute permissions check on the file system level
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Zabbix | Proxy, Server | 4.0.0 - 4.0.36, 5.0.0 – 5.0.18, 5.4.0 – 5.4.8 | — |
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 | zabbix | 1:6.0.7+dfsg-2 | — |
| Debian 13 | zabbix | 1:6.0.7+dfsg-2 | — |
| Debian 12 | zabbix | 1:6.0.7+dfsg-2 | — |
| Debian 11 | zabbix | 1:5.0.44+dfsg-1+deb11u1 | DLA-3909-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | zabbix | No fix yet | — |
| Ubuntu Pro 20.04 LTS | zabbix | No fix yet | — |
Advisories 1
- DLA-3909-1 zabbix - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://support.zabbix.com/browse/ZBX-20341
- FEDORA-2022-dfe346f53f vendor-advisory
- FEDORA-2022-1a667b0f90 vendor-advisory