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USN-1458-1: Linux kernel (OMAP4) vulnerabilities

31 May 2012

Several security issues were fixed in the kernel.

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

Releases

Packages

Details

A flaw was found in the Linux's kernels ext4 file system when mounted with
a journal. A local, unprivileged user could exploit this flaw to cause a
denial of service. (CVE-2011-4086)

A flaw was discovered in the Linux kernel's cifs file system. An
unprivileged local user could exploit this flaw to crash the system leading
to a denial of service. (CVE-2012-1090)

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)

A flaw was found in the Linux kernel's ext4 file system when mounting a
corrupt filesystem. A user-assisted remote attacker could exploit this flaw
to cause a denial of service. (CVE-2012-2100)

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-1453-1: linux-ec2, linux-image-2.6.32-345-ec2
  • USN-1440-1: linux-image-2.6.38-15-server, linux-image-2.6.38-15-generic-pae, linux-image-2.6.38-15-virtual, linux-lts-backport-natty, linux-image-2.6.38-15-generic
  • USN-1433-1: linux-image-3.0.0-19-generic, linux-image-3.0.0-19-server, linux-lts-backport-oneiric, linux-image-3.0.0-19-virtual, linux-image-3.0.0-19-generic-pae
  • USN-1446-1: linux-image-3.0.0-1209-omap4, linux-ti-omap4
  • USN-1432-1: linux, linux-image-2.6.38-15-powerpc, linux-image-2.6.38-15-server, linux-image-2.6.38-15-generic-pae, linux-image-2.6.38-15-virtual, linux-image-2.6.38-15-powerpc-smp, linux-image-2.6.38-15-powerpc64-smp, linux-image-2.6.38-15-versatile, linux-image-2.6.38-15-generic, linux-image-2.6.38-15-omap
  • USN-1454-1: linux-image-2.6.24-31-rt, linux-image-2.6.24-31-generic, linux-image-2.6.24-31-itanium, linux-image-2.6.24-31-powerpc-smp, linux-image-2.6.24-31-386, linux-image-2.6.24-31-xen, linux-image-2.6.24-31-openvz, linux-image-2.6.24-31-lpia, linux-image-2.6.24-31-virtual, linux-image-2.6.24-31-sparc64, linux, linux-image-2.6.24-31-mckinley, linux-image-2.6.24-31-powerpc64-smp, linux-image-2.6.24-31-lpiacompat, linux-image-2.6.24-31-powerpc, linux-image-2.6.24-31-hppa64, linux-image-2.6.24-31-server, linux-image-2.6.24-31-sparc64-smp, linux-image-2.6.24-31-hppa32
  • USN-1431-1: linux-image-3.0.0-19-generic, linux, linux-image-3.0.0-19-server, linux-image-3.0.0-19-omap, linux-image-3.0.0-19-powerpc, linux-image-3.0.0-19-generic-pae, linux-image-3.0.0-19-virtual, linux-image-3.0.0-19-powerpc-smp, linux-image-3.0.0-19-powerpc64-smp
  • USN-1445-1: linux-image-2.6.32-41-virtual, linux, linux-image-2.6.32-41-powerpc64-smp, linux-image-2.6.32-41-sparc64-smp, linux-image-2.6.32-41-versatile, linux-image-2.6.32-41-lpia, linux-image-2.6.32-41-server, linux-image-2.6.32-41-generic-pae, linux-image-2.6.32-41-preempt, linux-image-2.6.32-41-powerpc-smp, linux-image-2.6.32-41-powerpc, linux-image-2.6.32-41-ia64, linux-image-2.6.32-41-sparc64, linux-image-2.6.32-41-386, linux-image-2.6.32-41-generic
  • USN-1425-1: linux-image-2.6.32-41-virtual, linux, linux-image-2.6.32-41-powerpc64-smp, linux-image-2.6.32-41-sparc64-smp, linux-image-2.6.32-41-versatile, linux-image-2.6.32-41-lpia, linux-image-2.6.32-41-server, linux-image-2.6.32-41-generic-pae, linux-image-2.6.32-41-preempt, linux-image-2.6.32-41-powerpc-smp, linux-image-2.6.32-41-powerpc, linux-image-2.6.32-41-ia64, linux-image-2.6.32-41-sparc64, linux-image-2.6.32-41-386, linux-image-2.6.32-41-generic
  • USN-1426-1: linux-ec2, linux-image-2.6.32-345-ec2
  • USN-1421-1: linux-lts-backport-maverick, linux-image-2.6.35-32-server, linux-image-2.6.35-32-generic-pae, linux-image-2.6.35-32-virtual, linux-image-2.6.35-32-generic
  • USN-1422-1: linux-image-2.6.38-14-generic, linux, linux-image-2.6.38-14-virtual, linux-image-2.6.38-14-omap, linux-image-2.6.38-14-versatile, linux-image-2.6.38-14-powerpc64-smp, linux-image-2.6.38-14-powerpc, linux-image-2.6.38-14-server, linux-image-2.6.38-14-generic-pae, linux-image-2.6.38-14-powerpc-smp
  • USN-1405-1: linux-image-3.0.0-16-generic-pae, linux-image-3.0.0-16-powerpc-smp, linux, linux-image-3.0.0-16-virtual, linux-image-3.0.0-16-server, linux-image-3.0.0-16-powerpc64-smp, linux-image-3.0.0-16-omap, linux-image-3.0.0-16-powerpc, linux-image-3.0.0-16-generic
  • USN-1388-1: linux-ec2, linux-image-2.6.32-343-ec2
  • USN-1384-1: linux-image-3.0.0-16-generic-pae, linux-image-3.0.0-16-virtual, linux-image-3.0.0-16-server, linux-lts-backport-oneiric, linux-image-3.0.0-16-generic
  • USN-1389-1: linux, linux-image-2.6.32-39-386, linux-image-2.6.32-39-powerpc64-smp, linux-image-2.6.32-39-versatile, linux-image-2.6.32-39-powerpc-smp, linux-image-2.6.32-39-sparc64, linux-image-2.6.32-39-virtual, linux-image-2.6.32-39-lpia, linux-image-2.6.32-39-generic-pae, linux-image-2.6.32-39-powerpc, linux-image-2.6.32-39-preempt, linux-image-2.6.32-39-sparc64-smp, linux-image-2.6.32-39-server, linux-image-2.6.32-39-generic, linux-image-2.6.32-39-ia64
  • USN-1404-1: linux-image-3.0.0-1208-omap4, linux-ti-omap4