Description
Argument injection vulnerability in login (login-utils/login.c) in util-linux-ng 2.14 and earlier makes it easier for remote attackers to hide activities by modifying portions of log events, as demonstrated by appending an "addr=" statement to the login name, aka "audit log injection."
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 | util-linux | 2.13.1.1-1 | — |
| Debian 13 | util-linux | 2.13.1.1-1 | — |
| Debian 12 | util-linux | 2.13.1.1-1 | — |
| Debian 5.0 | util-linux | 2.13.1-3+lenny1 | DTSA-126-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | util-linux | 2.13-0.50.el5 | RHBA-2009:0070 |
| RHEL 4 | util-linux | 2.12a-24.el4 | RHSA-2009:0981 |
Advisories 3
- RHSA-2009:0981 Red Hat Security Advisory: util-linux security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHBA-2009:0070 Red Hat Bug Fix Advisory: util-linux bug-fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DTSA-126-1 util-linux - log injection Debian Security (DSA / DLA) · Mar 9, 2026
References
- 30014 third-party-advisory
- 29982 third-party-advisory
- http://git.kernel.org/?p=utils/util-linux-ng/util-linux-ng.git%3Ba=commit%3Bh=8ccf0b253ac0f4f58d64bc9674de18bff5a88782
- http://wiki.rpath.com/Advisories:rPSA-2009-0143
- http://git.kernel.org/?p=utils/util-linux-ng/util-linux-ng.git%3Ba=blobdiff%3Bf=login-utils/login.c%3Bh=230121316d953c59e7842c1325f6e9f326a37608%3Bhp=aad27794327c60391b5148b367d2c79338fc6ee4%3Bhb=8ccf0b253ac0f4f58d64bc9674de18bff5a88782%3Bhpb=3a4a13b12a8065b0b5354686d2807cce421a9973
- ADV-2008-1392 vdb-entry
- utillinuxng-login-data-manipulation(41987) vdb-entry
- 1022256 vdb-entry
- MDVSA-2008:114 vendor-advisory
- 20091112 rPSA-2009-0143-1 util-linux util-linux-extras mailing-list
- 28983 vdb-entry
- oval:org.mitre.oval:def:9833 vdb-entry signature
- 35161 third-party-advisory
- FEDORA-2008-3419 vendor-advisory
- RHSA-2009:0981 vendor-advisory