CVE-2014-3122
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
4.9
Description
The try_to_unmap_cluster function in mm/rmap.c in the Linux kernel before 3.14.3 does not properly consider which pages must be locked, which allows local users to cause a denial of service (system crash) by triggering a memory-usage pattern that requires removal of page-table mappings.
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 | 3.14.4-1 |
| debian | bullseye | fixed | 3.14.4-1 |
| debian | forky | fixed | 3.14.4-1 |
| debian | sid | fixed | 3.14.4-1 |
| debian | trixie | fixed | 3.14.4-1 |
| ubuntu | 14.04 | affected | |
| debian | 7.0 | affected | |
| linux-kernel | affected | 3.14.3 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=57e68e9cd65b4b8eb4045a1e0d0746458502554c
- http://secunia.com/advisories/59386
- http://secunia.com/advisories/59599
- http://www.debian.org/security/2014/dsa-2926
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.3
- http://www.openwall.com/lists/oss-security/2014/05/01/7
- http://www.securityfocus.com/bid/67162
- http://www.ubuntu.com/usn/USN-2240-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1093076
- https://github.com/torvalds/linux/commit/57e68e9cd65b4b8eb4045a1e0d0746458502554c
- https://security-tracker.debian.org/tracker/CVE-2014-3122
CWEs
CWE-400
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.