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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 a security-related patch.
A flaw was reported in the permission checks done by the Linux kernel
for /dev/cpu/*/msr. A local root user with all capabilities dropped
could exploit this flaw to execute code with full root capabilities.
A flaw was discovered in the Linux kernels handling of memory ranges
with PROT_NONE when transparent hugepages are in use. An unprivileged
local user could exploit this flaw to cause a denial of service (crash
the system). (CVE-2013-0309)
A flaw was discovered on the Linux kernel's VFAT filesystem driver
when a disk is mounted with the utf8 option (this is the default on
Ubuntu). On a system where disks/images can be auto-mounted or a FAT
filesystem is mounted an unprivileged user can exploit the flaw to
gain root privileges. (CVE-2013-1773).
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 linux-image-2.6-ec2 package.
Risk factor :
Medium / CVSS Base Score : 6.2
CVSS Temporal Score : 4.9
Public Exploit Available : true
Family: Ubuntu Local Security Checks
Nessus Plugin ID: 65667 ()
Bugtraq ID: 578385804658200
CVE ID: CVE-2013-0268CVE-2013-0309CVE-2013-1773
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