Advisory Published

USN-2140-1: Linux kernel vulnerabilities

First published: Fri Mar 07 2014(Updated: )

An information leak was discovered in the Linux kernel when built with the NetFilter Connection Tracking (NF_CONNTRACK) support for IRC protocol (NF_NAT_IRC). A remote attacker could exploit this flaw to obtain potentially sensitive kernel information when communicating over a client- to-client IRC connection(/dcc) via a NAT-ed network. (CVE-2014-1690) Matthew Thode reported a denial of service vulnerability in the Linux kernel when SELinux support is enabled. A local user with the CAP_MAC_ADMIN capability (and the SELinux mac_admin permission if running in enforcing mode) could exploit this flaw to cause a denial of service (kernel crash). (CVE-2014-1874) An information leak was discovered in the Linux kernel's NFS filesystem. A local users with write access to an NFS share could exploit this flaw to obtain potential sensative information from kernel memory. (CVE-2014-2038)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-3.11.0-18-generic-lpae<3.11.0-18.32
3.11.0-18.32
=13.10
All of
ubuntu/linux-image-3.11.0-18-generic<3.11.0-18.32
3.11.0-18.32
=13.10

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