Description
xinetd does not enforce the user and group configuration directives for TCPMUX services, which causes these services to be run as root and makes it easier for remote attackers to gain privileges by leveraging another vulnerability in a service.
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 | xinetd | 1:2.3.15-2 | — |
| Debian 13 | xinetd | 1:2.3.15-2 | — |
| Debian 12 | xinetd | 1:2.3.15-2 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | xinetd | 2:2.3.14-39.el6_4 | RHSA-2013:1409 |
| RHEL 5 | xinetd | 2:2.3.14-20.el5_10 | RHSA-2013:1409 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | xinetd | 2.3.15-11.3 | openSUSE-SU-2024:10323-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | xinetd | 2.3.15-14 | — |
| Azure Linux 2 (CBL-Mariner) | xinetd | 2.3.15-14 | — |
Advisories 2
- RHSA-2013:1409 Red Hat Security Advisory: xinetd security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- openSUSE-SU-2024:10323-1 xinetd-2.3.15-11.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- GLSA-201611-06 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1006100
- https://github.com/xinetd-org/xinetd/pull/10
- RHSA-2013:1409 vendor-advisory