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_______________________________________________________________________
Mandriva Linux Security Advisory MDKSA-2005:220
http://www.mandriva.com/security/
_______________________________________________________________________
Package : kernel
Date : November 30, 2005
Affected: 10.2
_______________________________________________________________________
Problem Description:
Multiple vulnerabilities in the Linux 2.6 kernel have been discovered
and corrected in this update:
The kernel on x86_64 platforms does not use a guard page for the 47-bit
address page to protect against an AMD K8 bug which allows a local user
to cause a DoS (CVE-2005-1764).
The KEYCTL_JOIN_SESSION_KEYRING operation in versions prior to 2.6.12.5
contains an error path that does not properly release the session
management semaphore, which allows local users or remote attackers to
cause a DoS (semaphore hang) via a new session keyring with an empty
name string, a long name string, the key quota reached, or ENOMEM
(CVE-2005-2098).
Kernels prior to 2.6.12.5 do not properly destroy a keyring that is not
instantiated properly, allowing a local user or remote attacker to
cause a DoS (oops) via a keyring with a payload that is not empty
(CVE-2005-2099).
An array index overflow in the xfrm_sk_policy_insert function in
xfrm_user.c allows local users to cause a DoS (oops or deadlock) and
possibly execute arbitrary code (CVE-2005-2456).
The zisofs driver in versions prior to 2.6.12.5 allows local users and
remove attackers to cause a DoS (crash) via a crafted compressed ISO
filesystem (CVE-2005-2457).
inflate.c in the zlib routines in versions prior to 2.6.12.5 allow
remove attackers to cause a DoS (crash) via a compressed file with
"improper tables" (CVE-2005-2458).
The huft_build function in inflate.c in the zlib routines in versions
prior to 2.6.12.5 returns the wrong value, allowing remote attackers to
cause a DoS (crash) via a certain compressed file that leads to a null
pointer dereference (CVE-2005-2459).
A stack-based buffer overflow in the sendmsg function call in versions
prior to 2.6.13.1 allow local users to execute arbitrary code by
calling sendmsg and modifying the message contents in another thread
(CVE-2005-2490).
The raw_sendmsg function in versions prior to 2.6.13.1 allow local
users to cause a DoS (change hardware state) or read from arbitrary
memory via crafted input (CVE-2005-2492).
A memory leak in the seq_file implementation in the SCSI procfs
interface (sg.c) in 2.6.13 and earlier allows a local user to cause a
DoS (memory consumption) via certain repeated reads from
/proc/scsi/gs/devices file which is not properly handled when the
next() interator returns NULL or an error (CVE-2005-2800).
The ipt_recent module in versions prior to 2.6.12 when running on 64bit
processors allows remote attackers to cause a DoS (kernel panic) via
certain attacks such as SSH brute force (CVE-2005-2872).
The ipt_recent module in versions prior to 2.6.12 does not properly
perform certain tests when the jiffies value is greater than LONG_MAX,
which can cause ipt_recent netfilter rules to block too early
(CVE-2005-2873).
Multiple vulnerabilities in versions prior to 2.6.13.2 allow local
users to cause a DoS (oops from null dereference) via fput in a 32bit
ioctl on 64-bit x86 systems or sockfd_put in the 32-bit routing_ioctl
function on 64-bit systems (CVE-2005-3044).
The sys_set_mempolicy function in mempolicy.c allows local users to
cause a DoS via a negative first argument (CVE-2005-3053).
Versions 2.6.8 to 2.6.14-rc2 allow local users to cause a DoS (oops)
via a userspace process that issues a USB Request Block (URB) to a USB
device and terminates before the URB is finished, which leads to a
stale pointer reference (CVE-2005-3055).
drm.c in version 2.6.13 and earlier creates a debug file in sysfs with
world-readable and world-writable permissions, allowing local users to
enable DRM debugging and obtain sensitive information (CVE-2005-3179).
The Orinoco driver in 2.6.13 and earlier does not properly clear memory
from a previously used packet whose length is increased, allowing
remote attackers to obtain sensitive information (CVE-2005-3180).
Kernels 2.6.13 and earlier, when CONFIG_AUDITSYSCALL is enabled, use an
incorrect function to free names_cache memory, preventing the memory
from being tracked by AUDITSYSCALL code and leading to a memory leak
(CVE-2005-3181).
The VT implementation in version 2.6.12 allows local users to use
certain IOCTLs on terminals of other users and gain privileges
(CVE-2005-3257).
Exec does not properly clear posix-timers in multi-threaded
environments, which result in a resource leak and could allow a large
number of multiple local users to cause a DoS by using more posix-
timers than specified by the quota for a single user (CVE-2005-3271).
The rose_rt_ioctl function rose_route.c in versions prior to 2.6.12
does not properly verify the ndigis argument for a new route, allowing
an attacker to trigger array out-of-bounds errors with a large number
of digipeats (CVE-2005-3273).
A race condition in ip_vs_conn_flush in versions prior to 2.6.13, when
running on SMP systems, allows local users to cause a DoS (null
dereference) by causing a connection timer to expire while the
connection table is being flushed before the appropriate lock is
acquired (CVE-2005-3274).
The NAT code in versions prior to 2.6.13 incorrectly declares a
variable to be static, allowing remote attackers to cause a DoS (memory
corruption) by causing two packets for the same protocol to be NATed at
the same time (CVE-2005-3275).
The sys_get_thread_area function in process.c in versions prior to
2.6.12.4 and 2.6.13 does not clear a data structure before copying it
to userspace, which may allow a user process to obtain sensitive
information (CVE-2005-3276).
The provided packages are patched to fix these vulnerabilities. All
users are encouraged to upgrade to these updated kernels.
To update your kernel, please follow the directions located at:
http://www.mandriva.com/en/security/kernelupdate
_______________________________________________________________________
References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-1764
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2098
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2099
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2456
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2457
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2458
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2459
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2490
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2492
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2800
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2872
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2873
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3044
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3053
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3055
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3179
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3180
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3181
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3257
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3273
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3274
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3275
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3276
_______________________________________________________________________
Updated Packages:
Mandriva Linux 10.2:
2c46bb090164d04e6c45a0abef9d5756
10.2/RPMS/kernel-2.6.11.13mdk-1-1mdk.i586.rpm
1f527287a66e776825c6a665a9b62ccf
10.2/RPMS/kernel-i586-up-1GB-2.6.11.13mdk-1-1mdk.i586.rpm
df151a56daf78664f6ac4dcf99ffbf4a
10.2/RPMS/kernel-i686-up-4GB-2.6.11.13mdk-1-1mdk.i586.rpm
b531e97efe37e4cc41fba8fea177317b
10.2/RPMS/kernel-smp-2.6.11.13mdk-1-1mdk.i586.rpm
243fc4fbd27117ecf95a8c9d856a22cb
10.2/RPMS/kernel-source-2.6-2.6.11-13mdk.i586.rpm
841f4b9e8f333ae07af81fbb295e7b89
10.2/RPMS/kernel-source-stripped-2.6-2.6.11-13mdk.i586.rpm
dafc4f7aa34f21434ce2d1ec76b8b80f
10.2/RPMS/kernel-xbox-2.6.11.13mdk-1-1mdk.i586.rpm
7369eb7eaf212a81d56f3d3df895f909
10.2/SRPMS/kernel-2.6.11.13mdk-1-1mdk.src.rpm
Mandriva Linux 10.2/X86_64:
d82156477b51547a270c7cda5a8ac5a1
x86_64/10.2/RPMS/kernel-2.6.11.13mdk-1-1mdk.x86_64.rpm
f7e6d8f44813da237726c757cf4a4958
x86_64/10.2/RPMS/kernel-smp-2.6.11.13mdk-1-1mdk.x86_64.rpm
b0b6f0422937ce40d421cf607dd5c57b
x86_64/10.2/RPMS/kernel-source-2.6-2.6.11-13mdk.x86_64.rpm
42f78955e8bc151d36ae5bb3e1493c25
x86_64/10.2/RPMS/kernel-source-stripped-2.6-2.6.11-13mdk.x86_64.rpm
7369eb7eaf212a81d56f3d3df895f909
x86_64/10.2/SRPMS/kernel-2.6.11.13mdk-1-1mdk.src.rpm
_______________________________________________________________________
To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.
All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:
gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98
You can view other update advisories for Mandriva Linux at:
http://www.mandriva.com/security/advisories
If you want to report vulnerabilities, please contact
security_(at)_mandriva.com
_______________________________________________________________________
Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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