|From:||John Johansen <firstname.lastname@example.org>|
|Subject:||[USN-1406-1] Linux kernel vulnerabilities|
|Date:||Tue, 27 Mar 2012 05:12:57 -0700|
========================================================================== Ubuntu Security Notice USN-1406-1 March 27, 2012 linux vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 11.04 Summary: Several security issues were fixed in the kernel. Software Description: - linux: Linux kernel Details: Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. (CVE-2011-4347) Stephan BÃ¤rwolf discovered a flaw in the KVM (kernel-based virtual machine) subsystem of the Linux kernel. A local unprivileged user can crash use this flaw to crash VMs causing a deny of service. (CVE-2012-0045) H. Peter Anvin reported a flaw in the Linux kernel that could crash the system. A local user could exploit this flaw to crash the system. (CVE-2012-1097) A flaw was discovered in the Linux kernel's cgroups subset. A local attacker could use this flaw to crash the system. (CVE-2012-1146) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 11.04: linux-image-2.6.38-13-generic 2.6.38-13.57 linux-image-2.6.38-13-generic-pae 2.6.38-13.57 linux-image-2.6.38-13-omap 2.6.38-13.57 linux-image-2.6.38-13-powerpc 2.6.38-13.57 linux-image-2.6.38-13-powerpc-smp 2.6.38-13.57 linux-image-2.6.38-13-powerpc64-smp 2.6.38-13.57 linux-image-2.6.38-13-server 2.6.38-13.57 linux-image-2.6.38-13-versatile 2.6.38-13.57 linux-image-2.6.38-13-virtual 2.6.38-13.57 After a standard system update you need to reboot your computer to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1406-1 CVE-2011-4347, CVE-2012-0045, CVE-2012-1097, CVE-2012-1146 Package Information: https://launchpad.net/ubuntu/+source/linux/2.6.38-13.57 -- ubuntu-security-announce mailing list email@example.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...
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