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Debian Security Advisory DSA-2264-1 security@debian.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@lists.debian.org
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