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Ubuntu alert USN-2158-1 (linux-lts-raring)

From:  John Johansen <>
Subject:  [USN-2158-1] Linux kernel (Raring HWE) vulnerabilities
Date:  Mon, 31 Mar 2014 22:38:58 -0700
Message-ID:  <>

========================================================================== Ubuntu Security Notice USN-2158-1 April 01, 2014 linux-lts-raring vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 LTS Summary: Several security issues were fixed in the kernel. Software Description: - linux-lts-raring: Linux hardware enablement kernel from Raring Details: Stephan Mueller reported an error in the Linux kernel's ansi cprng random number generator. This flaw makes it easier for a local attacker to break cryptographic protections. (CVE-2013-4345) Nico Golde and Fabian Yamaguchi reported buffer underflow errors in the implementation of the XFS filesystem in the Linux kernel. A local user with CAP_SYS_ADMIN could exploit these flaw to cause a denial of service (memory corruption) or possibly other unspecified issues. (CVE-2013-6382) 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) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 LTS: linux-image-3.8.0-38-generic 3.8.0-38.56~precise1 After a standard system update you need to reboot your computer to make all the necessary changes. ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. If you use linux-restricted-modules, you have to update that package as well to get modules which work with the new kernel version. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-server, linux-powerpc), a standard system upgrade will automatically perform this as well. References: CVE-2013-4345, CVE-2013-6382, CVE-2014-1690 Package Information: -- ubuntu-security-announce mailing list Modify settings or unsubscribe at:

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