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CVE-2013-0914
CVE information
Published
Last Modified
CVSSv2.0 Severity
Impact Analysis
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..
CVSSv2.0 Score
- Severity
- Low
- Base Score
- 3.6/10
- Exploit Score
- 3.9/10
- Access Vector
- Local
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 4.9/10
- Confidentiality Impact
- Partial
- Availability Impact
- None
- Integrity Impact
- Partial
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:o:linux:linux_kernel:3.8.2:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:linux:linux_kernel:3.8.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:* |
Yes
|
- | - |
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=2ca39528
- 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