Ubuntu 1387-1: Linux kernel (Maverick backport) vulnerabilities

    Date06 Mar 2012
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in the kernel.
    Ubuntu Security Notice USN-1387-1
    March 06, 2012
    linux-lts-backport-maverick vulnerabilities
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 10.04 LTS
    Several security issues were fixed in the kernel.
    Software Description:
    - linux-lts-backport-maverick: Linux kernel backport from Maverick
    Aristide Fattori and Roberto Paleari reported a flaw in the Linux kernel's
    handling of IPv4 icmp packets. A remote user could exploit this to cause a
    denial of service. (CVE-2011-1927)
    A flaw was found in the Linux Ethernet bridge's handling of IGMP (Internet
    Group Management Protocol) packets. An unprivileged local user could
    exploit this flaw to crash the system. (CVE-2011-0716)
    Han-Wen Nienhuys reported a flaw in the FUSE kernel module. A local user
    who can mount a FUSE file system could cause a denial of service.
    A flaw was discovered in the Linux kernel's AppArmor security interface
    when invalid information was written to it. An unprivileged local user
    could use this to cause a denial of service on the system. (CVE-2011-3619)
    A flaw was found in KVM's Programmable Interval Timer (PIT). When a virtual
    interrupt control is not available a local user could use this to cause a
    denial of service by starting a timer. (CVE-2011-4622)
    A flaw was discovered in the XFS filesystem. If a local user mounts a
    specially crafted XFS image it could potential execute arbitrary code on
    the system. (CVE-2012-0038)
    Chen Haogang discovered an integer overflow that could result in memory
    corruption. A local unprivileged user could use this to crash the system.
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 10.04 LTS:
      linux-image-2.6.35-32-generic   2.6.35-32.66~lucid1
      linux-image-2.6.35-32-generic-pae  2.6.35-32.66~lucid1
      linux-image-2.6.35-32-server    2.6.35-32.66~lucid1
      linux-image-2.6.35-32-virtual   2.6.35-32.66~lucid1
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
      CVE-2011-0716, CVE-2011-1927, CVE-2011-3353, CVE-2011-3619,
      CVE-2011-4622, CVE-2012-0038, CVE-2012-0044
    Package Information:
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