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Ubuntu: 1074-1: Linux kernel vulnerabilities Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Ubuntu Al Viro discovered a race condition in the TTY driver. A local attackercould exploit this to crash the system, leading to a denial of service.(CVE-2009-4895) [More...]
===========================================================
Ubuntu Security Notice USN-1074-1         February 25, 2011
linux-fsl-imx51 vulnerabilities
CVE-2009-4895, CVE-2010-2066, CVE-2010-2226, CVE-2010-2240,
CVE-2010-2248, CVE-2010-2478, CVE-2010-2495, CVE-2010-2521,
CVE-2010-2524, CVE-2010-2538, CVE-2010-2798, CVE-2010-2803,
CVE-2010-2942, CVE-2010-2943, CVE-2010-2946, CVE-2010-2954,
CVE-2010-2955, CVE-2010-2959, CVE-2010-2962, CVE-2010-2963,
CVE-2010-3015, CVE-2010-3067, CVE-2010-3078, CVE-2010-3079,
CVE-2010-3080, CVE-2010-3081, CVE-2010-3084, CVE-2010-3296,
CVE-2010-3297, CVE-2010-3298, CVE-2010-3301, CVE-2010-3310,
CVE-2010-3432, CVE-2010-3437, CVE-2010-3442, CVE-2010-3448,
CVE-2010-3477, CVE-2010-3698, CVE-2010-3705, CVE-2010-3848,
===========================================================

A security issue affects the following Ubuntu releases:

Ubuntu 9.10

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 9.10:
  linux-image-2.6.31-112-imx51    2.6.31-112.30

After a standard system update you need to reboot your computer to make
all the necessary changes.

Details follow:

Al Viro discovered a race condition in the TTY driver. A local attacker
could exploit this to crash the system, leading to a denial of service.
(CVE-2009-4895)

Dan Rosenberg discovered that the MOVE_EXT ext4 ioctl did not correctly
check file permissions. A local attacker could overwrite append-only files,
leading to potential data loss. (CVE-2010-2066)

Dan Rosenberg discovered that the swapexit xfs ioctl did not correctly
check file permissions. A local attacker could exploit this to read from
write-only files, leading to a loss of privacy. (CVE-2010-2226)

Gael Delalleu, Rafal Wojtczuk, and Brad Spengler discovered that the memory
manager did not properly handle when applications grow stacks into adjacent
memory regions. A local attacker could exploit this to gain control of
certain applications, potentially leading to privilege escalation, as
demonstrated in attacks against the X server. (CVE-2010-2240)

Suresh Jayaraman discovered that CIFS did not correctly validate certain
response packats. A remote attacker could send specially crafted traffic
that would crash the system, leading to a denial of service.
(CVE-2010-2248)

Ben Hutchings discovered that the ethtool interface did not correctly check
certain sizes. A local attacker could perform malicious ioctl calls that
could crash the system, leading to a denial of service. (CVE-2010-2478,
CVE-2010-3084)

James Chapman discovered that L2TP did not correctly evaluate checksum
capabilities. If an attacker could make malicious routing changes, they
could crash the system, leading to a denial of service. (CVE-2010-2495)

Neil Brown discovered that NFSv4 did not correctly check certain write
requests. A remote attacker could send specially crafted traffic that could
crash the system or possibly gain root privileges. (CVE-2010-2521)

David Howells discovered that DNS resolution in CIFS could be spoofed. A
local attacker could exploit this to control DNS replies, leading to a loss
of privacy and possible privilege escalation. (CVE-2010-2524)

Dan Rosenberg discovered that the btrfs filesystem did not correctly
validate permissions when using the clone function. A local attacker could
overwrite the contents of file handles that were opened for append-only, or
potentially read arbitrary contents, leading to a loss of privacy. Only
Ubuntu 9.10 was affected. (CVE-2010-2538)

Bob Peterson discovered that GFS2 rename operations did not correctly
validate certain sizes. A local attacker could exploit this to crash the
system, leading to a denial of service. (CVE-2010-2798)

Kees Cook discovered that under certain situations the ioctl subsystem for
DRM did not properly sanitize its arguments. A local attacker could exploit
this to read previously freed kernel memory, leading to a loss of privacy.
(CVE-2010-2803)

Eric Dumazet discovered that many network functions could leak kernel stack
contents. A local attacker could exploit this to read portions of kernel
memory, leading to a loss of privacy. (CVE-2010-2942, CVE-2010-3477)

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)

Sergey Vlasov discovered that JFS did not correctly handle certain extended
attributes. A local attacker could bypass namespace access rules, leading
to a loss of privacy. (CVE-2010-2946)

Tavis Ormandy discovered that the IRDA subsystem did not correctly shut
down. A local attacker could exploit this to cause the system to crash or
possibly gain root privileges. (CVE-2010-2954)

Brad Spengler discovered that the wireless extensions did not correctly
validate certain request sizes. A local attacker could exploit this to read
portions of kernel memory, leading to a loss of privacy. (CVE-2010-2955)

Ben Hawkes discovered an integer overflow in the Controller Area Network
(CVE-2010-2959)

Kees Cook discovered that the Intel i915 graphics driver did not correctly
validate memory regions. A local attacker with access to the video card
could read and write arbitrary kernel memory to gain root privileges.
Ubuntu 10.10 was not affected. (CVE-2010-2962)

Kees Cook discovered that the V4L1 32bit compat interface did not correctly
validate certain parameters. A local attacker on a 64bit system with access
to a video device could exploit this to gain root privileges.
(CVE-2010-2963)

Toshiyuki Okajima discovered that ext4 did not correctly check certain
parameters. A local attacker could exploit this to crash the system or
overwrite the last block of large files. (CVE-2010-3015)

Tavis Ormandy discovered that the AIO subsystem did not correctly validate
certain parameters. A local attacker could exploit this to crash the system
or possibly gain root privileges. (CVE-2010-3067)

Dan Rosenberg discovered that certain XFS ioctls leaked kernel stack
contents. A local attacker could exploit this to read portions of kernel
memory, leading to a loss of privacy. (CVE-2010-3078)

Robert Swiecki discovered that ftrace did not correctly handle mutexes. A
local attacker could exploit this to crash the kernel, leading to a denial
of service. (CVE-2010-3079)

Tavis Ormandy discovered that the OSS sequencer device did not correctly
shut down. A local attacker could exploit this to crash the system or
possibly gain root privileges. (CVE-2010-3080)

Ben Hawkes discovered that the Linux kernel did not correctly validate
memory ranges on 64bit kernels when allocating memory on behalf of 32bit
system calls. On a 64bit system, a local attacker could perform malicious
multicast getsockopt calls to gain root privileges. (CVE-2010-3081)

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-2010-3296, CVE-2010-3297,
CVE-2010-3298)

Ben Hawkes discovered that the Linux kernel did not correctly filter
registers on 64bit kernels when performing 32bit system calls. On a 64bit
system, a local attacker could manipulate 32bit system calls to gain root
privileges. (CVE-2010-3301)

Dan Rosenberg discovered that the ROSE driver did not correctly check
parameters. A local attacker with access to a ROSE network device could
exploit this to crash the system or possibly gain root privileges.
(CVE-2010-3310)

Thomas Dreibholz discovered that SCTP did not correctly handle appending
packet chunks. A remote attacker could send specially crafted traffic to
crash the system, leading to a denial of service. (CVE-2010-3432)

Dan Rosenberg discovered that the CD driver did not correctly check
parameters. A local attacker could exploit this to read arbitrary kernel
memory, leading to a loss of privacy. (CVE-2010-3437)

Dan Rosenberg discovered that the Sound subsystem did not correctly
validate parameters. A local attacker could exploit this to crash the
system, leading to a denial of service. (CVE-2010-3442)

Dan Jacobson discovered that ThinkPad video output was not correctly access
controlled. A local attacker could exploit this to hang the system, leading
to a denial of service. (CVE-2010-3448)

It was discovered that KVM did not correctly initialize certain CPU
registers. A local attacker could exploit this to crash the system, leading
to a denial of service. (CVE-2010-3698)

Dan Rosenberg discovered that SCTP did not correctly handle HMAC
calculations. A remote attacker could send specially crafted traffic that
would crash the system, leading to a denial of service. (CVE-2010-3705)

Nelson Elhage discovered several problems with the Acorn Econet protocol
driver. A local user could cause a denial of service via a NULL pointer
dereference, escalate privileges by overflowing the kernel stack, and
assign Econet addresses to arbitrary interfaces. (CVE-2010-3848,
CVE-2010-3849, CVE-2010-3850)

Brad Spengler discovered that stack memory for new a process was not
correctly calculated. A local attacker could exploit this to crash the
system, leading to a denial of service. (CVE-2010-3858)

Kees Cook discovered that the ethtool interface did not correctly clear
kernel memory. A local attacker could read kernel heap memory, leading to a
loss of privacy. (CVE-2010-3861)

Dan Rosenberg discovered that the RDS network protocol did not correctly
check certain parameters. A local attacker could exploit this gain root
privileges. (CVE-2010-3904)

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)

Dan Rosenberg discovered that the USB subsystem did not correctly
initialize certian structures. A local attacker could exploit this to read
kernel stack memory, leading to a loss of privacy. (CVE-2010-4074)

Dan Rosenberg discovered that the SiS video driver did not correctly clear
kernel memory. A local attacker could exploit this to read kernel stack
memory, leading to a loss of privacy. (CVE-2010-4078)

Dan Rosenberg discovered that the ivtv V4L driver did not correctly
initialize certian structures. A local attacker could exploit this to read
kernel stack memory, leading to a loss of privacy. (CVE-2010-4079)

Steve Chen discovered that setsockopt did not correctly check MSS values. A
local attacker could make a specially crafted socket call to crash the
system, leading to a denial of service. (CVE-2010-4165)

Dave Jones discovered that the mprotect system call did not correctly
handle merged VMAs. A local attacker could exploit this to crash the
system, leading to a denial of service. (CVE-2010-4169)

Vegard Nossum discovered that memory garbage collection was not handled
correctly for active sockets. A local attacker could exploit this to
allocate all available kernel memory, leading to a denial of service.
(CVE-2010-4249)


Updated packages for Ubuntu 9.10:

  Source archives:

    http://security.ubuntu.com/ubuntu/pool/main/l/linux-fsl-imx51/linux-fsl-imx51_2.6.31-112.30.diff.gz
      Size/MD5:  5689311 eb5f6fe8ea1ba1541908b6635b6eb070
    http://security.ubuntu.com/ubuntu/pool/main/l/linux-fsl-imx51/linux-fsl-imx51_2.6.31-112.30.dsc
      Size/MD5:     1389 9f183ebaeae4bc5f042e011c01a2d06b
    http://security.ubuntu.com/ubuntu/pool/main/l/linux-fsl-imx51/linux-fsl-imx51_2.6.31.orig.tar.gz
      Size/MD5: 78278595 16c0355d3612806ef87addf7c9f8c9f9

  armel architecture (ARM Architecture):

    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/block-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:    97392 be63ef29022f71ef81f0c5c0f7e5dff2
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/crypto-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:    62012 808419d720380dacfc7aa71eb8447553
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/fat-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:     4542 2c5d3a96da5f45c531bb20b423279fe7
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/fs-core-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:   548480 a0b16b84ff81a28d19d0ce5afc919083
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/fs-secondary-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:   138382 a0fb096a86472328492a20ee846da9ab
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/input-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:    50136 37a00bbbcc9b929ad363ea7db629e405
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/irda-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:   212326 7c76d661cb4f11fb53d61b795e8277f1
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/kernel-image-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:  3417494 1e25b9c4dd46cbbd61d0e2a2f7647f3e
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/linux-headers-2.6.31-112-imx51_2.6.31-112.30_armel.deb
      Size/MD5:   673916 3602a6a08467cff3f063fa7d9acf4343
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/linux-headers-2.6.31-112_2.6.31-112.30_armel.deb
      Size/MD5:  9856034 69b7bc23b6a0ccd5911b8fe4279c89cb
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/linux-image-2.6.31-112-imx51_2.6.31-112.30_armel.deb
      Size/MD5: 14566916 593a2caa4da514cdd0e8663a5aa19f64
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/md-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:   163272 ad8a5437eeb796073116c0c60254e17c
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/mouse-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:    24552 c30bdc42f9f1b087dd62b912ae0fc002
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/nfs-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:   294586 8052e549fae8a4f8189a0f853c4825fe
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/nic-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:   236166 0df28001acd3f1cf5aa96dba8756022a
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/nic-shared-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:   184568 50564e0525ab647761b1011e145399a9
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/nic-usb-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:   112192 a66999a29ab17a23f464b124957e51f0
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/parport-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:    28190 546362055ae18b5c08f90e2eaf00b192
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/plip-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:     8218 a46998bb3c8a1f786aa840c4949e4c95
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/ppp-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:    36380 657ccd6145488ad41b788472cb5137ae
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/sata-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:    15622 56616f349c347568528cb7737e1863bb
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/scsi-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:   191494 53d973ce8597fa35e948f633296f512b
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/serial-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:    93934 85515ab49064d8eab991be7b32d28551
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/storage-core-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:    21332 cbe570516cc3851629929202ad80a4f3
    http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/usb-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
      Size/MD5:   114184 67f6388b95d37d032147638daf363e22


 
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