Ubuntu Security Notice (C) 2013 Canonical, Inc. / NASL script (C) 2013 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related patches.
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
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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