CVE-2013-0914
Advisory lineage Upstream: 0 Downstream: 7
Modified
Published: 22 Mar 2013, 10:00
Last modified:06 Aug 2024, 14:41
Vulnerability Summary
Overall Risk (default)
low
14/100 CVSS Score
3.6 LOW
v2.0 (nvd)
EPSS Score
<0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
22 Mar 2013, 10:00
Published
Vulnerability first disclosed
06 Aug 2024, 14:41
Last Modified
Vulnerability information updated
Description
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.
CVSS Metrics
- v2.0•LOW•Score: 3.6AV:L/AC:L/Au:N/C:P/I:P/A:N
EPSS Trends
Current EPSS score: 0.01%• Percentile: 1%
Techniques & Countermeasures
- CWE-264•Permissions, Privileges, and Access Controls
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
Affected Systems
- linux•linux_kernel
≤ 3.8.3 | 3.8.0 | 3.8.1 | 3.8.2
References (18)
- http://www.ubuntu.com/usn/USN-1796-1
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
- https://github.com/torvalds/linux/commit/2ca39528c01a933f6689cd6505ce65bd6d68a530
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.ubuntu.com/usn/USN-1797-1
- http://www.ubuntu.com/usn/USN-1788-1
- http://rhn.redhat.com/errata/RHSA-2013-1051.html
- http://www.ubuntu.com/usn/USN-1793-1
- https://bugzilla.redhat.com/show_bug.cgi?id=920499
- http://www.ubuntu.com/usn/USN-1792-1
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
- http://www.ubuntu.com/usn/USN-1794-1
- http://www.ubuntu.com/usn/USN-1795-1
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2ca39528c01a933f6689cd6505ce65bd6d68a530
- http://www.openwall.com/lists/oss-security/2013/03/11/8
- http://www.ubuntu.com/usn/USN-1787-1
- http://www.ubuntu.com/usn/USN-1798-1
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4