The following three Linux kernel vulnerabilities affect Ubuntu 12.10 (Quantal Quetzal): CVE-2013-1819, CVE-2013-2237 and CVE-2013-4254. They are related to issues with the XFS filesystem, IPSec key_socket, and the ARM perf subsystem. The security flaws can be fixed if you upgrade your Ubuntu system(s) to the linux-image-3.5.0-41 (3.5.0-41.64) package(s).
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