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Ubuntu Security Notice (C) 2013-2016 Canonical, Inc. / NASL script (C) 2013-2016 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related
Mathias Krause discovered several errors in the Linux kernel's
xfrm_user implementation. A local attacker could exploit these flaws
to examine parts of kernel memory. (CVE-2012-6537)
Mathias Krause discovered information leak in the Linux kernel's
compat ioctl interface. A local user could exploit the flaw to examine
parts of kernel stack memory (CVE-2012-6539)
Mathias Krause discovered an information leak in the Linux kernel's
getsockopt for IP_VS_SO_GET_TIMEOUT. A local user could exploit this
flaw to examine parts of kernel stack memory. (CVE-2012-6540)
Emese Revfy discovered that in the Linux kernel signal handlers could
leak address information across an exec, making it possible to by pass
ASLR (Address Space Layout Randomization). A local user could use this
flaw to by pass ASLR to reliably deliver an exploit payload that would
otherwise be stopped (by ASLR). (CVE-2013-0914)
A memory use after free error was discover in the Linux kernel's tmpfs
filesystem. A local user could exploit this flaw to gain privileges or
cause a denial of service (system crash). (CVE-2013-1767)
Mateusz Guzik discovered a race in the Linux kernel's keyring. A local
user could exploit this flaw to cause a denial of service (system
Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.
Update the affected packages.
Risk factor :
Medium / CVSS Base Score : 6.2
CVSS Temporal Score : 5.4
Public Exploit Available : true
Family: Ubuntu Local Security Checks
Nessus Plugin ID: 65868 ()
Bugtraq ID: 58426589775898558986
CVE ID: CVE-2012-6537CVE-2012-6539CVE-2012-6540CVE-2013-0914CVE-2013-1767CVE-2013-1792
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