CVE-2013-2141
low
CVSS v3
—
CVSS v4 NEW
—
VIR risk
2.1
Description
The do_tkill function in kernel/signal.c in the Linux kernel before 3.8.9 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory via a crafted application that makes a (1) tkill or (2) tgkill system call.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 3.9.4-1 |
| debian | bullseye | fixed | 3.9.4-1 |
| debian | forky | fixed | 3.9.4-1 |
| debian | sid | fixed | 3.9.4-1 |
| debian | trixie | fixed | 3.9.4-1 |
| linux-kernel | affected | | |
| linux-kernel | 3.8.0 | affected | |
| linux-kernel | 3.8.1 | affected | |
| linux-kernel | 3.8.2 | affected | |
| linux-kernel | 3.8.3 | affected | |
| linux-kernel | 3.8.4 | affected | |
| linux-kernel | 3.8.5 | affected | |
| linux-kernel | 3.8.6 | affected | |
| linux-kernel | 3.8.7 | affected | |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
- http://rhn.redhat.com/errata/RHSA-2013-1801.html
- http://secunia.com/advisories/55055
- http://www.debian.org/security/2013/dsa-2766
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.openwall.com/lists/oss-security/2013/06/04/10
- http://www.ubuntu.com/usn/USN-1899-1
- http://www.ubuntu.com/usn/USN-1900-1
- https://bugzilla.redhat.com/show_bug.cgi?id=970873
- https://github.com/torvalds/linux/commit/b9e146d8eb3b9ecae5086d373b50fa0c1f3e7f0f
- https://security-tracker.debian.org/tracker/CVE-2013-2141
CWEs
CWE-399
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.