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USN-1530-1: Linux kernel (OMAP4) vulnerabilities

10 August 2012

Several security issues were fixed in the kernel.

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Packages

Details

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)

Steve Grubb reported a flaw with Linux fscaps (file system base
capabilities) when used to increase the permissions of a process. For
application on which fscaps are in use a local attacker can disable address
space randomization to make attacking the process with raised privileges
easier. (CVE-2012-2123)

An error was discovered in the Linux kernel's network TUN/TAP device
implementation. A local user with access to the TUN/TAP interface (which is
not available to unprivileged users until granted by a root user) could
exploit this flaw to crash the system or potential gain administrative
privileges. (CVE-2012-2136)

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)

A flaw was found in the Linux kernel's Reliable Datagram Sockets (RDS)
protocol implementation. A local, unprivileged user could use this flaw to
cause a denial of service. (CVE-2012-2372)

A flaw was discovered in the Linux kernel's NFSv4 (Network file system)
handling of ACLs (access control lists). A remote NFS server (attacker)
could cause a denial of service (OOPS). (CVE-2012-2375)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 11.04

After a standard system update you need to reboot your computer to make
all the necessary changes.

Related notices

  • USN-1457-1: linux-image-2.6.38-15-powerpc64-smp, linux-image-2.6.38-15-server, linux-image-2.6.38-15-generic-pae, linux, linux-image-2.6.38-15-powerpc, linux-image-2.6.38-15-versatile, linux-image-2.6.38-15-generic, linux-image-2.6.38-15-powerpc-smp, linux-image-2.6.38-15-omap, linux-image-2.6.38-15-virtual
  • USN-1476-1: linux-image-3.0.0-1211-omap4, linux-ti-omap4
  • USN-1470-1: linux-image-2.6.38-15-server, linux-lts-backport-natty, linux-image-2.6.38-15-generic, linux-image-2.6.38-15-generic-pae, linux-image-2.6.38-15-virtual
  • USN-1472-1: linux-image-3.0.0-21-omap, linux-image-3.0.0-21-server, linux, linux-image-3.0.0-21-generic, linux-image-3.0.0-21-powerpc64-smp, linux-image-3.0.0-21-generic-pae, linux-image-3.0.0-21-powerpc-smp, linux-image-3.0.0-21-powerpc, linux-image-3.0.0-21-virtual
  • USN-1471-1: linux-image-3.0.0-21-server, linux-image-3.0.0-21-generic, linux-image-3.0.0-21-generic-pae, linux-lts-backport-oneiric, linux-image-3.0.0-21-virtual
  • USN-1453-1: linux-image-2.6.32-345-ec2, linux-ec2
  • USN-1452-1: linux, linux-image-3.0.0-20-powerpc64-smp, linux-image-3.0.0-20-omap, linux-image-3.0.0-20-virtual, linux-image-3.0.0-20-powerpc, linux-image-3.0.0-20-generic, linux-image-3.0.0-20-powerpc-smp, linux-image-3.0.0-20-generic-pae, linux-image-3.0.0-20-server
  • USN-1448-1: linux, linux-image-3.2.0-24-omap, linux-image-3.2.0-24-powerpc-smp, linux-image-3.2.0-24-generic-pae, linux-image-3.2.0-24-virtual, linux-image-3.2.0-24-generic, linux-image-3.2.0-24-powerpc64-smp
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  • USN-1460-1: linux-image-3.2.0-1413-omap4, linux-ti-omap4
  • USN-1455-1: linux-image-3.0.0-20-virtual, linux-image-3.0.0-20-generic, linux-image-3.0.0-20-generic-pae, linux-image-3.0.0-20-server, linux-lts-backport-oneiric
  • USN-1445-1: linux-image-2.6.32-41-ia64, linux, linux-image-2.6.32-41-powerpc, linux-image-2.6.32-41-generic-pae, linux-image-2.6.32-41-powerpc-smp, linux-image-2.6.32-41-sparc64, linux-image-2.6.32-41-sparc64-smp, linux-image-2.6.32-41-preempt, linux-image-2.6.32-41-versatile, linux-image-2.6.32-41-virtual, linux-image-2.6.32-41-generic, linux-image-2.6.32-41-powerpc64-smp, linux-image-2.6.32-41-386, linux-image-2.6.32-41-lpia, linux-image-2.6.32-41-server
  • USN-1531-1: linux-image-2.6.38-15-powerpc64-smp, linux-image-2.6.38-15-server, linux-image-2.6.38-15-generic-pae, linux, linux-image-2.6.38-15-powerpc, linux-image-2.6.38-15-versatile, linux-image-2.6.38-15-generic, linux-image-2.6.38-15-powerpc-smp, linux-image-2.6.38-15-omap, linux-image-2.6.38-15-virtual
  • USN-1533-1: linux-image-3.0.0-24-generic, linux, linux-image-3.0.0-24-virtual, linux-image-3.0.0-24-powerpc-smp, linux-image-3.0.0-24-powerpc, linux-image-3.0.0-24-server, linux-image-3.0.0-24-generic-pae, linux-image-3.0.0-24-powerpc64-smp, linux-image-3.0.0-24-omap
  • USN-1539-1: linux-image-3.0.0-24-generic, linux-image-3.0.0-24-virtual, linux-image-3.0.0-24-server, linux-image-3.0.0-24-generic-pae, linux-lts-backport-oneiric
  • USN-1535-1: linux-image-2.6.32-42-sparc64, linux-image-2.6.32-42-386, linux-image-2.6.32-42-preempt, linux, linux-image-2.6.32-42-generic, linux-image-2.6.32-42-lpia, linux-image-2.6.32-42-powerpc-smp, linux-image-2.6.32-42-server, linux-image-2.6.32-42-ia64, linux-image-2.6.32-42-sparc64-smp, linux-image-2.6.32-42-versatile, linux-image-2.6.32-42-virtual, linux-image-2.6.32-42-generic-pae, linux-image-2.6.32-42-powerpc, linux-image-2.6.32-42-powerpc64-smp
  • USN-1529-1: linux-image-3.2.0-29-omap, linux-image-3.2.0-29-powerpc-smp, linux-image-3.2.0-29-powerpc64-smp, linux, linux-image-3.2.0-29-highbank, linux-image-3.2.0-29-virtual, linux-image-3.2.0-29-generic, linux-image-3.2.0-29-generic-pae
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  • USN-1514-1: linux-ti-omap4, linux-image-3.2.0-1417-omap4
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  • USN-1492-1: linux-image-2.6.32-41-ia64, linux, linux-image-2.6.32-41-powerpc, linux-image-2.6.32-41-generic-pae, linux-image-2.6.32-41-powerpc-smp, linux-image-2.6.32-41-sparc64, linux-image-2.6.32-41-sparc64-smp, linux-image-2.6.32-41-preempt, linux-image-2.6.32-41-versatile, linux-image-2.6.32-41-virtual, linux-image-2.6.32-41-generic, linux-image-2.6.32-41-powerpc64-smp, linux-image-2.6.32-41-386, linux-image-2.6.32-41-lpia, linux-image-2.6.32-41-server
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  • USN-1563-1: linux-image-3.0.0-25-generic-pae, linux-image-3.0.0-25-server, linux-image-3.0.0-25-generic, linux-image-3.0.0-25-virtual, linux-lts-backport-oneiric
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  • USN-1487-1: linux-image-3.0.0-22-generic-pae, linux, linux-image-3.0.0-22-powerpc64-smp, linux-image-3.0.0-22-generic, linux-image-3.0.0-22-powerpc-smp, linux-image-3.0.0-22-virtual, linux-image-3.0.0-22-powerpc, linux-image-3.0.0-22-omap, linux-image-3.0.0-22-server
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  • USN-1489-1: linux-image-3.0.0-22-generic-pae, linux-image-3.0.0-22-generic, linux-image-3.0.0-22-virtual, linux-lts-backport-oneiric, linux-image-3.0.0-22-server
  • USN-1494-1: linux-ti-omap4, linux-image-3.2.0-1415-omap4