Message-ID: <20110619011137.GA18082@dannf.org>
Date: Sat, 18 Jun 2011 19:11:37 -0600
From: dann frazier <dannf@...ian.org>
To: debian-security-announce@...ts.debian.org
Subject: [SECURITY] [DSA 2264-1] linux-2.6 security update

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Debian Security Advisory DSA-2264-1                   security@...ian.org
http://www.debian.org/security/                              dann frazier
June 18, 2011                          http://www.debian.org/security/faq
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Package        : linux-2.6
Vulnerability  : privilege escalation/denial of service/information leak
Problem type   : local/remote
Debian-specific: no
CVE Id(s)      : CVE-2010-2524 CVE-2010-3875 CVE-2010-4075 CVE-2010-4655 
                 CVE-2011-0695 CVE-2011-0710 CVE-2011-0711 CVE-2011-0726
                 CVE-2011-1010 CVE-2011-1012 CVE-2011-1017 CVE-2011-1078 
                 CVE-2011-1079 CVE-2011-1080 CVE-2011-1090 CVE-2011-1093 
                 CVE-2011-1160 CVE-2011-1163 CVE-2011-1170 CVE-2011-1171
                 CVE-2011-1172 CVE-2011-1173 CVE-2011-1180 CVE-2011-1182
                 CVE-2011-1477 CVE-2011-1493 CVE-2011-1577 CVE-2011-1593
                 CVE-2011-1598 CVE-2011-1745 CVE-2011-1746 CVE-2011-1748
                 CVE-2011-1759 CVE-2011-1767 CVE-2011-1768 CVE-2011-1776
                 CVE-2011-2022 CVE-2011-2182
Debian Bug     : 618485

Several vulnerabilities have been discovered in the Linux kernel that may lead
to a privilege escalation, denial of service or information leak.  The Common
Vulnerabilities and Exposures project identifies the following problems:

CVE-2010-2524

    David Howells reported an issue in the Common Internet File System (CIFS).
    Local users could cause arbitrary CIFS shares to be mounted by introducing
    malicious redirects.

CVE-2010-3875

    Vasiliy Kulikov discovered an issue in the Linux implementation of the
    Amateur Radio AX.25 Level 2 protocol. Local users may obtain access to
    sensitive kernel memory.

CVE-2010-4075

    Dan Rosenberg reported an issue in the tty layer that may allow local
    users to obtain access to sensitive kernel memory.

CVE-2010-4655

    Kees Cook discovered several issues in the ethtool interface which may
    allow local users with the CAP_NET_ADMIN capability to obtain access to
    sensitive kernel memory.
   
CVE-2011-0695

    Jens Kuehnel reported an issue in the InfiniBand stack. Remote attackers can
    exploit a race condition to cause a denial of service (kernel panic).

CVE-2011-0710

    Al Viro reported an issue in the /proc/<pid>/status interface on the
    s390 architecture. Local users could gain access to sensitive memory
    in processes they do not own via the task_show_regs entry.

CVE-2011-0711

    Dan Rosenberg reported an issue in the XFS filesystem. Local users may
    obtain access to sensitive kernel memory.

CVE-2011-0726

    Kees Cook reported an issue in the /proc/pid/stat implementation. Local
    users could learn the text location of a process, defeating protections
    provided by address space layout randomization (ASLR).

CVE-2011-1010

    Timo Warns reported an issue in the Linux support for Mac partition tables.
    Local users with physical access could cause a denial of service (panic)
    by adding a storage device with a malicious map_count value.
    
CVE-2011-1012

    Timo Warns reported an issue in the Linux support for Mac partition tables.
    Local users with physical access could cause a denial of service (panic)
    by adding a storage device with a malicious map_count value.
    
CVE-2011-1017
 
    Timo Warns reported an issue in the Linux support for LDM partition tables.
    Users with physical access can gain access to sensitive kernel memory or
    gain elevated privileges by adding a storage device with a specially
    crafted LDM partition.

CVE-2011-1078

    Vasiliy Kulikov discovered an issue in the Bluetooth subsystem. Local users
    can obtain access to sensitive kernel memory.

CVE-2011-1079

    Vasiliy Kulikov discovered an issue in the Bluetooth subsystem. Local users
    with the CAP_NET_ADMIN capability can cause a denial of service (kernel
    Oops).
    
CVE-2011-1080

    Vasiliy Kulikov discovered an issue in the Netfilter subsystem. Local users
    can obtain access to sensitive kernel memory.

CVE-2011-1090

    Neil Horman discovered a memory leak in the setacl() call on NFSv4
    filesystems. Local users can exploit this to cause a denial of service
    (Oops).

CVE-2011-1093

    Johan Hovold reported an issue in the Datagram Congestion Control Protocol
    (DCCP) implementation. Remote users could cause a denial of service by
    sending data after closing a socket.

CVE-2011-1160

    Peter Huewe reported an issue in the Linux kernel's support for TPM security
    chips. Local users with permission to open the device can gain access to
    sensitive kernel memory.

CVE-2011-1163

    Timo Warns reported an issue in the kernel support for Alpha OSF format disk
    partitions. Users with physical access can gain access to sensitive kernel
    memory by adding a storage device with a specially crafted OSF partition.

CVE-2011-1170

    Vasiliy Kulikov reported an issue in the Netfilter arp table
    implementation. Local users with the CAP_NET_ADMIN capability can gain
    access to sensitive kernel memory.

CVE-2011-1171

    Vasiliy Kulikov reported an issue in the Netfilter IP table
    implementation. Local users with the CAP_NET_ADMIN capability can gain
    access to sensitive kernel memory.
    
CVE-2011-1172

    Vasiliy Kulikov reported an issue in the Netfilter IP6 table
    implementation. Local users with the CAP_NET_ADMIN capability can gain
    access to sensitive kernel memory.
    
CVE-2011-1173

    Vasiliy Kulikov reported an issue in the Acorn Econet protocol
    implementation. Local users can obtain access to sensitive kernel memory on
    systems that use this rare hardware.

CVE-2011-1180

    Dan Rosenberg reported a buffer overflow in the Information Access Service
    of the IrDA protocol, used for Infrared devices. Remote attackers within IR
    device range can cause a denial of service or possibly gain elevated
    privileges.

CVE-2011-1182

    Julien Tinnes reported an issue in the rt_sigqueueinfo interface. Local
    users can generate signals with falsified source pid and uid information.

CVE-2011-1477

    Dan Rosenberg reported issues in the Open Sound System driver for cards that
    include a Yamaha FM synthesizer chip. Local users can cause memory
    corruption resulting in a denial of service. This issue does not affect
    official Debian Linux image packages as they no longer provide support for
    OSS.  However, custom kernels built from Debians linux-source-2.6.32 may
    have enabled this configuration and would therefore be vulnerable.

CVE-2011-1493

    Dan Rosenburg reported two issues in the Linux implementation of the
    Amateur Radio X.25 PLP (Rose) protocol. A remote user can cause a denial of
    service by providing specially crafted facilities fields.

CVE-2011-1577

    Timo Warns reported an issue in the Linux support for GPT partition tables.
    Local users with physical access could cause a denial of service (Oops)
    by adding a storage device with a malicious partition table header.

CVE-2011-1593

    Robert Swiecki reported a signednes issue in the next_pidmap() function,
    which can be exploited my local users to cause a denial of service.

CVE-2011-1598

    Dave Jones reported an issue in the Broadcast Manager Controller Area
    Network (CAN/BCM) protocol that may allow local users to cause a NULL
    pointer dereference, resulting in a denial of service.

CVE-2011-1745

    Vasiliy Kulikov reported an issue in the Linux support for AGP devices.
    Local users can obtain elevated privileges or cause a denial of service due
    to missing bounds checking in the AGPIOC_BIND ioctl. On default Debian
    installations, this is exploitable only by users in the video group.

CVE-2011-1746

    Vasiliy Kulikov reported an issue in the Linux support for AGP devices.
    Local users can obtain elevated privileges or cause a denial of service
    due to missing bounds checking in the agp_allocate_memory and
    agp_create_user_memory. On default Debian installations, this is
    exploitable only by users in the video group.

CVE-2011-1748

    Oliver Kartkopp reported an issue in the Controller Area Network (CAN) raw
    socket implementation which permits ocal users to cause a NULL pointer
    dereference, resulting in a denial of service.
    
CVE-2011-1759

    Dan Rosenberg reported an issue in the support for executing "old ABI"
    binaries on ARM processors. Local users can obtain elevated privileges due
    to insufficient bounds checking in the semtimedop system call.

CVE-2011-1767

    Alexecy Dobriyan reported an issue in the GRE over IP implementation.
    Remote users can cause a denial of service by sending a packet during
    module initialization.

CVE-2011-1768

    Alexecy Dobriyan reported an issue in the IP tunnels implementation.
    Remote users can cause a denial of service by sending a packet during
    module initialization.

CVE-2011-1776

    Timo Warns reported an issue in the Linux implementation for GUID
    partitions. Users with physical access can gain access to sensitive kernel
    memory by adding a storage device with a specially crafted corrupted
    invalid partition table.

CVE-2011-2022

    Vasiliy Kulikov reported an issue in the Linux support for AGP devices.
    Local users can obtain elevated privileges or cause a denial of service due
    to missing bounds checking in the AGPIOC_UNBIND ioctl. On default Debian
    installations, this is exploitable only by users in the video group.

CVE-2011-2182

    Ben Hutchings reported an issue with the fix for CVE-2011-1017 (see above)
    that made it insufficient to resolve the issue.

For the oldstable distribution (lenny), this problem has been fixed in
version 2.6.26-26lenny3. Updates for arm and hppa are not yet available,
but will be released as soon as possible.

The following matrix lists additional source packages that were rebuilt for
compatibility with or to take advantage of this update:

                                             Debian 5.0 (lenny)
     user-mode-linux                         2.6.26-1um-2+26lenny3

We recommend that you upgrade your linux-2.6 and user-mode-linux packages.
These updates will not become active until after your system is rebooted.

Note: Debian carefully tracks all known security issues across every
linux kernel package in all releases under active security support.
However, given the high frequency at which low-severity security
issues are discovered in the kernel and the resource requirements of
doing an update, updates for lower priority issues will normally not
be released for all kernels at the same time. Rather, they will be
released in a staggered or "leap-frog" fashion.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@...ts.debian.org
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