Description
The scm_set_cred function in include/net/scm.h in the Linux kernel before 3.8.11 uses incorrect uid and gid values during credentials passing, which allows local users to gain privileges via a crafted application.
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 | linux | 3.8.11-1 | — |
| Debian 13 | linux | 3.8.11-1 | — |
| Debian 12 | linux | 3.8.11-1 | — |
| Debian 7 | linux | 3.2.41-2+deb7u2 | DSA-2669-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 2 | kernel-rt +11 | 3.6.11.2-rt33.39.el6rt | RHSA-2013:0829 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP4 | kernel-ec2 +8 | 3.0.101-108.90.1 | SUSE-SU-2019:14051-1 |
Advisories 3
- RHSA-2013:0829 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2669-1 linux - several Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2019:14051-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
References
- openSUSE-SU-2013:1187 vendor-advisory
- FEDORA-2013-6537 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=955629
- MDVSA-2013:176 vendor-advisory
- SUSE-SU-2014:1316 vendor-advisory
- FEDORA-2013-6999 vendor-advisory
- [oss-security] 20130428 Multiple Linux setuid output redirection vulnerabilities mailing-list
- SUSE-SU-2014:1319 vendor-advisory
- openSUSE-SU-2013:1971 vendor-advisory
- https://github.com/torvalds/linux/commit/83f1b4ba917db5dc5a061a44b3403ddb6e783494
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=83f1b4ba917db5dc5a061a44b3403ddb6e783494
- SUSE-SU-2013:1182 vendor-advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.11