Security update for Linux kernel

SUSE Security Update: Security update for Linux kernel
Announcement ID: SUSE-SU-2014:0683-1
Rating: important
References: #875690 #875798
Affected Products:
  • SUSE Linux Enterprise Real Time Extension 11 SP3

  • An update that fixes three vulnerabilities is now available. It includes one version update.

    Description:


    The SUSE Linux Enterprise 11 Service Pack 3 RealTime Extension kernel has
    been updated to fix two critical security issues.

    The following security bugs have been fixed:

    *

    CVE-2014-1737: The raw_cmd_copyin function in drivers/block/floppy.c
    in the Linux kernel through 3.14.3 does not properly handle error
    conditions during processing of an FDRAWCMD ioctl call, which allows local
    users to trigger kfree operations and gain privileges by leveraging write
    access to a /dev/fd device. (bnc#875798)

    *

    CVE-2014-1738: The raw_cmd_copyout function in
    drivers/block/floppy.c in the Linux kernel through 3.14.3 does not
    properly restrict access to certain pointers during processing of an
    FDRAWCMD ioctl call, which allows local users to obtain sensitive
    information from kernel heap memory by leveraging write access to a
    /dev/fd device. (bnc#875798)

    *

    CVE-2014-0196: The n_tty_write function in drivers/tty/n_tty.c in
    the Linux kernel through 3.14.3 does not properly manage tty driver access
    in the "LECHO & !OPOST" case, which allows local users to cause a denial
    of service (memory corruption and system crash) or gain privileges by
    triggering a race condition involving read and write operations with long
    strings. (bnc#875690)

    Security Issue references:

    * CVE-2014-0196

    * CVE-2014-1737

    * CVE-2014-1738

    Indications:

    Everyone using the Real Time Linux Kernel on x86_64 architecture should update.

    Special Instructions and Notes:

    Please reboot the system after installing this update.

    Patch Instructions:

    To install this SUSE Security Update use YaST online_update.
    Alternatively you can run the command listed for your product:

    • SUSE Linux Enterprise Real Time Extension 11 SP3:
      zypper in -t patch slertesp3-kernel-9260

    To bring your system up-to-date, use "zypper patch".

    Package List:

    • SUSE Linux Enterprise Real Time Extension 11 SP3 (x86_64) [New Version: 3.0.101.rt130]:
    • cluster-network-kmp-rt-1.4_3.0.101_rt130_0.16-2.27.65
    • cluster-network-kmp-rt_trace-1.4_3.0.101_rt130_0.16-2.27.65
    • drbd-kmp-rt-8.4.4_3.0.101_rt130_0.16-0.22.31
    • drbd-kmp-rt_trace-8.4.4_3.0.101_rt130_0.16-0.22.31
    • iscsitarget-kmp-rt-1.4.20_3.0.101_rt130_0.16-0.38.50
    • iscsitarget-kmp-rt_trace-1.4.20_3.0.101_rt130_0.16-0.38.50
    • kernel-rt-3.0.101.rt130-0.16.1
    • kernel-rt-base-3.0.101.rt130-0.16.1
    • kernel-rt-devel-3.0.101.rt130-0.16.1
    • kernel-rt_trace-3.0.101.rt130-0.16.1
    • kernel-rt_trace-base-3.0.101.rt130-0.16.1
    • kernel-rt_trace-devel-3.0.101.rt130-0.16.1
    • kernel-source-rt-3.0.101.rt130-0.16.1
    • kernel-syms-rt-3.0.101.rt130-0.16.1
    • lttng-modules-kmp-rt-2.1.1_3.0.101_rt130_0.16-0.11.45
    • lttng-modules-kmp-rt_trace-2.1.1_3.0.101_rt130_0.16-0.11.45
    • ocfs2-kmp-rt-1.6_3.0.101_rt130_0.16-0.20.65
    • ocfs2-kmp-rt_trace-1.6_3.0.101_rt130_0.16-0.20.65
    • ofed-kmp-rt-1.5.4.1_3.0.101_rt130_0.16-0.13.56
    • ofed-kmp-rt_trace-1.5.4.1_3.0.101_rt130_0.16-0.13.56

    References:

    • http://support.novell.com/security/cve/CVE-2014-0196.html
    • http://support.novell.com/security/cve/CVE-2014-1737.html
    • http://support.novell.com/security/cve/CVE-2014-1738.html
    • https://bugzilla.novell.com/875690
    • https://bugzilla.novell.com/875798
    • http://download.suse.com/patch/finder/?keywords=cce936fb7796bd584f137b79a0cb3b04