Advisory Published

USN-1472-1: Linux kernel vulnerabilities

First published: Tue Jun 12 2012(Updated: )

Andy Adamson discovered a flaw in the Linux kernel's NFSv4 implementation. A remote NFS server (attacker) could exploit this flaw to cause a denial of service. (CVE-2011-4131) A flaw was discovered in the Linux kernel's KVM (kernel virtual machine). An administrative user in the guest OS could leverage this flaw to cause a denial of service in the host OS. (CVE-2012-2121) Schacher Raindel discovered a flaw in the Linux kernel's memory handling when hugetlb is enabled. An unprivileged local attacker could exploit this flaw to cause a denial of service and potentially gain higher privileges. (CVE-2012-2133) Stephan Mueller reported a flaw in the Linux kernel's dl2k network driver's handling of ioctls. An unprivileged local user could leverage this flaw to cause a denial of service. (CVE-2012-2313) Timo Warns reported multiple flaws in the Linux kernel's hfsplus filesystem. An unprivileged local user could exploit these flaws to gain root system priviliges. (CVE-2012-2319) Xi Wang discovered a flaw in the Linux kernel's i915 graphics driver handling of cliprect on 32 bit systems. An unprivileged local attacker could leverage this flaw to cause a denial of service or potentially gain root privileges. (CVE-2012-2383) Xi Wang discovered a flaw in the Linux kernel's i915 graphics driver handling of buffer_count on 32 bit systems. An unprivileged local attacker could leverage this flaw to cause a denial of service or potentially gain root privileges. (CVE-2012-2384)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-3.0.0-21-powerpc-smp<3.0.0-21.35
3.0.0-21.35
=11.10
All of
ubuntu/linux-image-3.0.0-21-powerpc64-smp<3.0.0-21.35
3.0.0-21.35
=11.10
All of
ubuntu/linux-image-3.0.0-21-omap<3.0.0-21.35
3.0.0-21.35
=11.10
All of
ubuntu/linux-image-3.0.0-21-generic<3.0.0-21.35
3.0.0-21.35
=11.10
All of
ubuntu/linux-image-3.0.0-21-virtual<3.0.0-21.35
3.0.0-21.35
=11.10
All of
ubuntu/linux-image-3.0.0-21-server<3.0.0-21.35
3.0.0-21.35
=11.10
All of
ubuntu/linux-image-3.0.0-21-generic-pae<3.0.0-21.35
3.0.0-21.35
=11.10
All of
ubuntu/linux-image-3.0.0-21-powerpc<3.0.0-21.35
3.0.0-21.35
=11.10

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