Out-of-bounds Read in Linux Kernel
CVE-2014-3145
The BPF_S_ANC_NLATTR_NEST extension implementation in the sk_run_filter function in net/core/filter.c in the Linux kernel through 3.14.3 uses the reverse order in a certain subtraction, which allows local users to cause a denial of service (over-read and system crash) via crafted BPF instructions. NOTE: the affected code was moved to the __skb_get_nlattr_nest function before the vulnerability was announced.
Vulnerability class: Buffer Overflow
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: 0.006 (49.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Linux Kernel
- Oracle Linux — versions 6, 7
- Canonical Ubuntu Linux — versions 10.04, 12.04, 13.10
- Debian Linux — versions 7.0
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2014/05/09/6 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.ubuntu.com/usn/USN-2263-1 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2014/dsa-2949 (vendor-advisory, Third Party Advisory)
- source.android.com/security/bulletin/2017-04-01 (Patch, Third Party Advisory)
- www.ubuntu.com/usn/USN-2261-1 (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-2252-1 (vendor-advisory, Third Party Advisory)
- linux.oracle.com/errata/ELSA-2014-3052.html (Third Party Advisory)
- secunia.com/advisories/58990 (Broken Link, third-party-advisory)
- secunia.com/advisories/60613 (Not Applicable, third-party-advisory)
- www.ubuntu.com/usn/USN-2264-1 (vendor-advisory, Third Party Advisory)