Resource exhaustion in Linux Kernel
CVE-2014-3122
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.9 (Medium). Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.005 (43.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 14.04
- Debian Linux — versions 7.0
Weakness classification (CWE)
References
- www.securityfocus.com/bid/67162 (VDB Entry, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2014/05/01/7 (mailing-list, Patch, Mailing List, Third Party Advisory)
- github.com/torvalds/linux/commit/57e68e9cd65b4b8eb4045a1e0d0746458502554c (Patch, Third Party Advisory)
- www.ubuntu.com/usn/USN-2240-1 (vendor-advisory, Third Party Advisory)
- secunia.com/advisories/59386 (Broken Link, third-party-advisory)
- git.kernel.org/
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.3 (Patch, Mailing List, Vendor Advisory)
- secunia.com/advisories/59599 (Broken Link, third-party-advisory)
- www.debian.org/security/2014/dsa-2926 (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)