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USN-1057-1: Linux kernel vulnerabilities

3 February 2011

Multiple vulnerabilities in Linux kernel.

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Details

Dave Chinner discovered that the XFS filesystem did not correctly order
inode lookups when exported by NFS. A remote attacker could exploit this to
read or write disk blocks that had changed file assignment or had become
unlinked, leading to a loss of privacy. (CVE-2010-2943)

Dan Rosenberg discovered that several network ioctls did not clear kernel
memory correctly. A local user could exploit this to read kernel stack
memory, leading to a loss of privacy. (CVE-2010-3297)

Kees Cook and Vasiliy Kulikov discovered that the shm interface did not
clear kernel memory correctly. A local attacker could exploit this to read
kernel stack memory, leading to a loss of privacy. (CVE-2010-4072)

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

Related notices

  • USN-1072-1: linux-image-2.6.24-28-openvz, linux-image-2.6.24-28-sparc64, linux-image-2.6.24-28-itanium, linux-image-2.6.24-28-rt, linux-image-2.6.24-28-powerpc, linux-image-2.6.24-28-386, linux-image-2.6.24-28-mckinley, linux-image-2.6.24-28-hppa64, linux-image-2.6.24-28-hppa32, linux-image-2.6.24-28-powerpc-smp, linux-image-2.6.24-28-server, linux-image-2.6.24-28-virtual, linux-image-2.6.24-28-generic, linux-image-2.6.24-28-sparc64-smp, linux-image-2.6.24-28-powerpc64-smp, linux-image-2.6.24-28-xen, linux, linux-image-2.6.24-28-lpiacompat, linux-image-2.6.24-28-lpia
  • USN-1074-1: linux-fsl-imx51, linux-image-2.6.31-112-imx51
  • USN-1083-1: linux-image-2.6.35-25-virtual, linux-lts-backport-maverick, linux-image-2.6.35-25-generic-pae, linux-image-2.6.35-25-server, linux-image-2.6.35-25-generic
  • USN-1041-1: linux-image-2.6.35-24-generic-pae, linux-image-2.6.32-27-versatile, linux-image-2.6.32-27-lpia, linux-image-2.6.31-22-powerpc-smp, linux-image-2.6.35-24-omap, linux-image-2.6.31-22-powerpc64-smp, linux-image-2.6.32-27-powerpc-smp, linux-image-2.6.35-24-versatile, linux-image-2.6.32-27-powerpc, linux-image-2.6.31-22-generic, linux-image-2.6.31-22-server, linux-image-2.6.32-27-sparc64-smp, linux-image-2.6.32-27-generic, linux-image-2.6.31-22-powerpc, linux-image-2.6.35-24-server, linux-image-2.6.32-27-ia64, linux-image-2.6.35-24-powerpc64-smp, linux-image-2.6.31-22-lpia, linux-image-2.6.32-27-virtual, linux-ec2, linux-image-2.6.32-311-ec2, linux-image-2.6.35-24-powerpc-smp, linux-image-2.6.31-22-virtual, linux-image-2.6.32-27-generic-pae, linux-image-2.6.35-24-powerpc, linux-image-2.6.32-27-preempt, linux-image-2.6.32-27-powerpc64-smp, linux-image-2.6.32-27-sparc64, linux-image-2.6.31-307-ec2, linux-image-2.6.31-22-386, linux-image-2.6.31-22-generic-pae, linux-image-2.6.35-24-generic, linux-image-2.6.32-27-server, linux-image-2.6.31-22-ia64, linux-image-2.6.31-22-sparc64, linux, linux-image-2.6.31-22-sparc64-smp, linux-image-2.6.32-27-386, linux-image-2.6.35-24-virtual
  • USN-1074-2: linux-fsl-imx51, linux-image-2.6.31-608-imx51
  • USN-1093-1: linux-image-2.6.32-416-dove, linux-mvl-dove, linux-image-2.6.32-216-dove
  • USN-1202-1: linux-ti-omap4, linux-image-2.6.35-903-omap4
  • USN-1119-1: linux-ti-omap4, linux-image-2.6.35-903-omap4