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CVE
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CVE-2013-0914Date: (C)2013-03-22   (M)2024-02-22


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 Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 3.6
Exploit Score: 3.9
Impact Score: 4.9
 
CVSS V2 Metrics:
Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality: PARTIAL
Integrity: PARTIAL
Availability: NONE
  
Reference:
MDVSA-2013:176
RHSA-2013:1051
USN-1787-1
USN-1788-1
USN-1792-1
USN-1793-1
USN-1794-1
USN-1795-1
USN-1796-1
USN-1797-1
USN-1798-1
http://www.openwall.com/lists/oss-security/2013/03/11/8
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2ca39528c01a933f6689cd6505ce65bd6d68a530
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.4
https://bugzilla.redhat.com/show_bug.cgi?id=920499
https://github.com/torvalds/linux/commit/2ca39528c01a933f6689cd6505ce65bd6d68a530
openSUSE-SU-2013:1187
openSUSE-SU-2013:1971

CPE    4
cpe:/o:linux:linux_kernel:3.8.0
cpe:/o:linux:linux_kernel:3.8.2
cpe:/o:linux:linux_kernel:3.8.1
cpe:/o:linux:linux_kernel
...
CWE    1
CWE-264
OVAL    47
oval:org.secpod.oval:def:701250
oval:org.secpod.oval:def:701251
oval:org.secpod.oval:def:701244
oval:org.secpod.oval:def:701242
...

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