CVE-2012-0957
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.9
Description
The override_release function in kernel/sys.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from kernel stack memory via a uname system call in conjunction with a UNAME26 personality.
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.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Linux Kernel 3.2.x - 'uname()' System Call Local Information Disclosure
Source code queued for fetch — refresh in a moment.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 3.2.32-1 |
| debian | bullseye | fixed | 3.2.32-1 |
| debian | forky | fixed | 3.2.32-1 |
| debian | sid | fixed | 3.2.32-1 |
| debian | trixie | fixed | 3.2.32-1 |
| linux-kernel | affected | | |
| linux-kernel | 3.0 | affected | |
| linux-kernel | 3.0.1 | affected | |
| linux-kernel | 3.0.2 | affected | |
| linux-kernel | 3.0.3 | affected | |
| linux-kernel | 3.0.4 | affected | |
| linux-kernel | 3.0.5 | affected | |
| linux-kernel | 3.0.6 | affected | |
| linux-kernel | 3.0.7 | affected | |
| linux-kernel | 3.0.8 | affected | |
| linux-kernel | 3.0.9 | affected | |
| linux-kernel | 3.0.10 | affected | |
| linux-kernel | 3.0.11 | affected | |
| linux-kernel | 3.0.12 | affected | |
| linux-kernel | 3.0.13 | affected | |
| linux-kernel | 3.0.14 | affected | |
| linux-kernel | 3.0.15 | affected | |
| linux-kernel | 3.0.16 | affected | |
| linux-kernel | 3.0.17 | affected | |
| linux-kernel | 3.0.18 | affected | |
| linux-kernel | 3.0.19 | affected | |
| linux-kernel | 3.0.20 | affected | |
| linux-kernel | 3.0.21 | affected | |
| linux-kernel | 3.0.22 | affected | |
| linux-kernel | 3.0.23 | affected | |
| linux-kernel | 3.0.24 | affected | |
| linux-kernel | 3.0.25 | affected | |
| linux-kernel | 3.0.26 | affected | |
| linux-kernel | 3.0.27 | affected | |
| linux-kernel | 3.0.28 | affected | |
| linux-kernel | 3.0.29 | affected | |
| linux-kernel | 3.0.30 | affected | |
| linux-kernel | 3.0.31 | affected | |
| linux-kernel | 3.0.32 | affected | |
| linux-kernel | 3.0.33 | affected | |
| linux-kernel | 3.0.34 | affected | |
| linux-kernel | 3.0.35 | affected | |
| linux-kernel | 3.0.36 | affected | |
| linux-kernel | 3.0.37 | affected | |
| linux-kernel | 3.0.38 | affected | |
| linux-kernel | 3.0.39 | affected | |
| linux-kernel | 3.0.40 | affected | |
| linux-kernel | 3.0.41 | affected | |
| linux-kernel | 3.0.42 | affected | |
| linux-kernel | 3.0.43 | affected | |
| linux-kernel | 3.0.44 | affected | |
| linux-kernel | 3.1 | affected | |
| linux-kernel | 3.1.1 | affected | |
| linux-kernel | 3.1.2 | affected | |
| linux-kernel | 3.1.3 | affected | |
| linux-kernel | 3.1.4 | affected | |
| linux-kernel | 3.1.5 | affected | |
| linux-kernel | 3.1.6 | affected | |
| linux-kernel | 3.1.7 | affected | |
| linux-kernel | 3.1.8 | affected | |
| linux-kernel | 3.1.9 | affected | |
| linux-kernel | 3.1.10 | affected | |
| linux-kernel | 3.2 | affected | |
| linux-kernel | 3.2.1 | affected | |
| linux-kernel | 3.2.2 | affected | |
| linux-kernel | 3.2.3 | affected | |
| linux-kernel | 3.2.4 | affected | |
| linux-kernel | 3.2.5 | affected | |
| linux-kernel | 3.2.6 | affected | |
| linux-kernel | 3.2.7 | affected | |
| linux-kernel | 3.2.8 | affected | |
| linux-kernel | 3.2.9 | affected | |
| linux-kernel | 3.2.10 | affected | |
| linux-kernel | 3.2.11 | affected | |
| linux-kernel | 3.2.12 | affected | |
| linux-kernel | 3.2.13 | affected | |
| linux-kernel | 3.2.14 | affected | |
| linux-kernel | 3.2.15 | affected | |
| linux-kernel | 3.2.16 | affected | |
| linux-kernel | 3.2.17 | affected | |
| linux-kernel | 3.2.18 | affected | |
| linux-kernel | 3.2.19 | affected | |
| linux-kernel | 3.2.20 | affected | |
| linux-kernel | 3.2.21 | affected | |
| linux-kernel | 3.2.22 | affected | |
| linux-kernel | 3.2.23 | affected | |
| linux-kernel | 3.2.24 | affected | |
| linux-kernel | 3.2.25 | affected | |
| linux-kernel | 3.2.26 | affected | |
| linux-kernel | 3.2.27 | affected | |
| linux-kernel | 3.2.28 | affected | |
| linux-kernel | 3.2.29 | affected | |
| linux-kernel | 3.2.30 | affected | |
| linux-kernel | 3.3 | affected | |
| linux-kernel | 3.3.1 | affected | |
| linux-kernel | 3.3.2 | affected | |
| linux-kernel | 3.3.3 | affected | |
| linux-kernel | 3.3.4 | affected | |
| linux-kernel | 3.3.5 | affected | |
| linux-kernel | 3.3.6 | affected | |
| linux-kernel | 3.3.7 | affected | |
| linux-kernel | 3.3.8 | affected | |
| linux-kernel | 3.4 | affected | |
| linux-kernel | 3.4.1 | affected | |
| linux-kernel | 3.4.2 | affected | |
| linux-kernel | 3.4.3 | affected | |
| linux-kernel | 3.4.4 | affected | |
| linux-kernel | 3.4.5 | affected | |
| linux-kernel | 3.4.10 | affected | |
| linux-kernel | 3.4.11 | affected | |
| linux-kernel | 3.4.12 | affected | |
| linux-kernel | 3.4.13 | affected | |
| linux-kernel | 3.4.14 | affected | |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2702b1526c7278c4d65d78de209a465d4de2885e
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html
- http://secunia.com/advisories/51409
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.16
- http://www.openwall.com/lists/oss-security/2012/10/09/4
- http://www.ubuntu.com/usn/USN-1644-1
- http://www.ubuntu.com/usn/USN-1645-1
- http://www.ubuntu.com/usn/USN-1646-1
- http://www.ubuntu.com/usn/USN-1647-1
- http://www.ubuntu.com/usn/USN-1648-1
- http://www.ubuntu.com/usn/USN-1649-1
- http://www.ubuntu.com/usn/USN-1652-1
- https://bugzilla.redhat.com/show_bug.cgi?id=862877
- https://github.com/torvalds/linux/commit/2702b1526c7278c4d65d78de209a465d4de2885e
- https://security-tracker.debian.org/tracker/CVE-2012-0957
CWEs
CWE-16
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.