CVE-2012-2133
Description
Use-after-free vulnerability in the Linux kernel before 3.3.6, when huge pages are enabled, allows local users to cause a denial of service (system crash) or possibly gain privileges by interacting with a hugetlbfs filesystem, as demonstrated by a umount operation that triggers improper handling of quota data.
Predictions
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
Linux kernel Affected 6 releases
| Version | Status | Fixed in |
|---|---|---|
| 3.3.4 | Affected | — |
| 3.3.3 | Affected | — |
| 3.3.2 | Affected | — |
| 3.3.1 | Affected | — |
| 3.3 | Affected | — |
| — | Affected | — |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=90481622d75715bfcb68501280a917dbfe516029
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
- http://www.debian.org/security/2012/dsa-2469
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6
- http://www.openwall.com/lists/oss-security/2012/04/24/12
- http://www.securityfocus.com/bid/53233
- https://bugzilla.redhat.com/show_bug.cgi?id=817430
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75168
- https://github.com/torvalds/linux/commit/90481622d75715bfcb68501280a917dbfe516029
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=90481622d75715bfcb68501280a917dbfe516029
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
- http://www.debian.org/security/2012/dsa-2469
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6
- http://www.openwall.com/lists/oss-security/2012/04/24/12
- http://www.securityfocus.com/bid/53233
- https://bugzilla.redhat.com/show_bug.cgi?id=817430
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75168
- https://github.com/torvalds/linux/commit/90481622d75715bfcb68501280a917dbfe516029
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.