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Ubuntu alert USN-2114-1 (kernel)

From:  John Johansen <john.johansen@canonical.com>
To:  ubuntu-security-announce@lists.ubuntu.com
Subject:  [USN-2114-1] Linux kernel vulnerabilities
Date:  Tue, 18 Feb 2014 15:32:45 -0800
Message-ID:  <5303ED9D.6000302@canonical.com>

========================================================================== Ubuntu Security Notice USN-2114-1 February 18, 2014 linux vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.10 Summary: Several security issues were fixed in the kernel. Software Description: - linux: Linux kernel Details: Vasily Kulikov reported a flaw in the Linux kernel's implementation of ptrace. An unprivileged local user could exploit this flaw to obtain sensitive information from kernel memory. (CVE-2013-2929) A flaw in the handling of memory regions of the kernel virtual machine (KVM) subsystem was discovered. A local user with the ability to assign a device could exploit this flaw to cause a denial of service (memory consumption). (CVE-2013-4592) Nico Golde and Fabian Yamaguchi reported a flaw in the Linux kernel's debugfs filesystem. An administrative local user could exploit this flaw to cause a denial of service (OOPS). (CVE-2013-6378) Nico Golde and Fabian Yamaguchi reported a flaw in the driver for Adaptec AACRAID scsi raid devices in the Linux kernel. A local user could use this flaw to cause a denial of service or possibly other unspecified impact. (CVE-2013-6380) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.10: linux-image-3.5.0-46-generic 3.5.0-46.70 linux-image-3.5.0-46-highbank 3.5.0-46.70 linux-image-3.5.0-46-omap 3.5.0-46.70 linux-image-3.5.0-46-powerpc-smp 3.5.0-46.70 linux-image-3.5.0-46-powerpc64-smp 3.5.0-46.70 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: http://www.ubuntu.com/usn/usn-2114-1 CVE-2013-2929, CVE-2013-4592, CVE-2013-6378, CVE-2013-6380 Package Information: https://launchpad.net/ubuntu/+source/linux/3.5.0-46.70 -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...


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