Vulnerability in Linux Kernel
CVE-2013-0914
The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sa_restorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application containing a sigaction system call.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 3.6 (Low). Vector: AV:L/AC:L/Au:N/C:P/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.005 (37.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.6% 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 — versions 3.8.0, 3.8.1, 3.8.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ubuntu.com/usn/USN-1796-1 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html (vendor-advisory)
- github.com/torvalds/linux/commit/2ca39528c01a933f6689cd6505ce65bd6d68a530
- www.mandriva.com/security/advisories (vendor-advisory)
- www.ubuntu.com/usn/USN-1797-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-1788-1 (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2013-1051.html (vendor-advisory)
- www.ubuntu.com/usn/USN-1793-1 (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi
- www.ubuntu.com/usn/USN-1792-1 (vendor-advisory)
Frequently asked questions
- What is CVE-2013-0914?
- CVE-2013-0914 is a vulnerability in Linux Kernel, classified under CWE-264. Published 2013-03-22.
- Is CVE-2013-0914 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.