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===========================================================
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:
linux-fsl-imx51_2.6.31-112.30.diff.gz
Size/MD5: 5689311 eb5f6fe8ea1ba1541908b6635b6eb070
linux-fsl-imx51_2.6.31-112.30.dsc
Size/MD5: 1389 9f183ebaeae4bc5f042e011c01a2d06b
linux-fsl-imx51_2.6.31.orig.tar.gz
Size/MD5: 78278595 16c0355d3612806ef87addf7c9f8c9f9
armel architecture (ARM Architecture):
block-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
Size/MD5: 97392 be63ef29022f71ef81f0c5c0f7e5dff2
crypto-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
Size/MD5: 62012 808419d720380dacfc7aa71eb8447553
fat-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
Size/MD5: 4542 2c5d3a96da5f45c531bb20b423279fe7
fs-core-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
Size/MD5: 548480 a0b16b84ff81a28d19d0ce5afc919083
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input-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
Size/MD5: 50136 37a00bbbcc9b929ad363ea7db629e405
irda-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
Size/MD5: 212326 7c76d661cb4f11fb53d61b795e8277f1
kernel-image-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
Size/MD5: 3417494 1e25b9c4dd46cbbd61d0e2a2f7647f3e
linux-headers-2.6.31-112-imx51_2.6.31-112.30_armel.deb
Size/MD5: 673916 3602a6a08467cff3f063fa7d9acf4343
linux-headers-2.6.31-112_2.6.31-112.30_armel.deb
Size/MD5: 9856034 69b7bc23b6a0ccd5911b8fe4279c89cb
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mouse-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
Size/MD5: 24552 c30bdc42f9f1b087dd62b912ae0fc002
nfs-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
Size/MD5: 294586 8052e549fae8a4f8189a0f853c4825fe
nic-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
Size/MD5: 236166 0df28001acd3f1cf5aa96dba8756022a
nic-shared-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
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nic-usb-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
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sata-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
Size/MD5: 15622 56616f349c347568528cb7737e1863bb
scsi-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb
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