Ubuntu Security Notice (C) 2012-2013 Canonical, Inc. / NASL script (C) 2012-2013 Tenable Network Security, Inc.
The remote Ubuntu host is missing a security-related patch.
Paolo Bonzini discovered a flaw in Linux's handling of the SG_IO ioctl
command. A local user, or user in a VM could exploit this flaw to
bypass restrictions and gain read/write access to all data on the
affected block device. (CVE-2011-4127)
A flaw was found in KVM's Programmable Interval Timer (PIT). When a
virtual interrupt control is not available a local user could use this
to cause a denial of service by starting a timer. (CVE-2011-4622)
A flaw was discovered in the XFS filesystem. If a local user mounts a
specially crafted XFS image it could potential execute arbitrary code
on the system. (CVE-2012-0038)
A flaw was found in the Linux kernel's ext4 file system when mounting
a corrupt filesystem. A user-assisted remote attacker could exploit
this flaw to cause a denial of service. (CVE-2012-2100).
Update the affected linux-image-2.6.32-343-ec2 package.
Risk factor :
High / CVSS Base Score : 7.1
Family: Ubuntu Local Security Checks
Nessus Plugin ID: 58269 ()
CVE ID: CVE-2011-4127CVE-2011-4622CVE-2012-0038CVE-2012-2100
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