[USN-1361-1] Linux kernel vulnerabilities
john.johansen at canonical.com
Mon Feb 13 19:01:16 UTC 2012
Ubuntu Security Notice USN-1361-1
February 13, 2012
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 10.10
Several security issues were fixed in the kernel.
- linux: Linux kernel
Han-Wen Nienhuys reported a flaw in the FUSE kernel module. A local user
who can mount a FUSE file system could cause a denial of service.
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)
Chen Haogang discovered an integer overflow that could result in memory
corruption. A local unprivileged user could use this to crash the system.
The problem can be corrected by updating your system to the following
After a standard system update you need to reboot your computer to make
all the necessary changes.
CVE-2011-3353, CVE-2011-4622, CVE-2012-0038, CVE-2012-0044
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