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Status published
Low
CVE-2013-0914
The flush_signal_handlers function in kernel/signal.c in the Linux kernel before...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- 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
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Affected Vendor
linux
View all reports →Affected Software
linux kernel
Vulnerable Versions:
0, 3.8.0, 3.8.1, 3.8.2
Timeline
Official Publish:
March 22nd, 2013
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.