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Mandriva Linux Security Advisory 2008-112

Mandriva Linux Security Advisory 2008-112
Posted Jun 13, 2008
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory - An extremely long list of vulnerabilities in the Linux 2.6 kernel have been addressed. These range from various arbitrary code execution to denial of service vulnerabilities.

tags | advisory, denial of service, arbitrary, kernel, vulnerability, code execution
systems | linux, mandriva
advisories | CVE-2008-2358, CVE-2008-0001, CVE-2008-0007, CVE-2007-5966, CVE-2007-6417, CVE-2007-6151, CVE-2007-6206, CVE-2007-6063, CVE-2007-5500, CVE-2006-6058
SHA-256 | a1baaacae04cac19e83f286735a63be2d2be6d237b5590e6deca46530587d54b

Mandriva Linux Security Advisory 2008-112

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Mandriva Linux Security Advisory MDVSA-2008:112

Package : kernel
Date : June 12, 2008
Affected: 2007.1

Problem Description:

Some vulnerabilities were discovered and corrected in the Linux
2.6 kernel:

The Datagram Congestion Control Protocol (DCCP) subsystem in the
Linux kernel 2.6.18, and probably other versions, does not properly
check feature lengths, which might allow remote attackers to execute
arbitrary code, related to an unspecified overflow. (CVE-2008-2358)

VFS in the Linux kernel before, and 2.6.23.x before, performs tests of access mode by using the flag variable
instead of the acc_mode variable, which might allow local users to
bypass intended permissions and remove directories. (CVE-2008-0001)

Linux kernel before, when using certain drivers that register
a fault handler that does not perform range checks, allows local users
to access kernel memory via an out-of-range offset. (CVE-2008-0007)

Integer overflow in the hrtimer_start function in kernel/hrtimer.c
in the Linux kernel before allows local users to execute
arbitrary code or cause a denial of service (panic) via a large
relative timeout value. NOTE: some of these details are obtained from
third party information. (CVE-2007-5966)

The shmem_getpage function (mm/shmem.c) in Linux kernel 2.6.11
through 2.6.23 does not properly clear allocated memory in some
rare circumstances related to tmpfs, which might allow local
users to read sensitive kernel data or cause a denial of service
(crash). (CVE-2007-6417)

The isdn_ioctl function in isdn_common.c in Linux kernel 2.6.23
allows local users to cause a denial of service via a crafted ioctl
struct in which iocts is not null terminated, which triggers a buffer
overflow. (CVE-2007-6151)

The do_coredump function in fs/exec.c in Linux kernel 2.4.x and 2.6.x
up to 2.6.24-rc3, and possibly other versions, does not change the
UID of a core dump file if it exists before a root process creates
a core dump in the same location, which might allow local users to
obtain sensitive information. (CVE-2007-6206)

Buffer overflow in the isdn_net_setcfg function in isdn_net.c in
Linux kernel 2.6.23 allows local users to have an unknown impact via
a crafted argument to the isdn_ioctl function. (CVE-2007-6063)

The wait_task_stopped function in the Linux kernel before
checks a TASK_TRACED bit instead of an exit_state value, which
allows local users to cause a denial of service (machine crash) via
unspecified vectors. NOTE: some of these details are obtained from
third party information. (CVE-2007-5500)

The minix filesystem code in Linux kernel 2.6.x before 2.6.24,
including 2.6.18, allows local users to cause a denial of service
(hang) via a malformed minix file stream that triggers an infinite
loop in the minix_bmap function. NOTE: this issue might be due to an
integer overflow or signedness error. (CVE-2006-6058)

To update your kernel, please follow the directions located at:




Updated Packages:

Mandriva Linux 2007.1:
31edb4c2c746e6b51fa98d7bdf51f2ed 2007.1/i586/kernel-
7e3acf3b9f128dc1be39bbbbbaa27d7f 2007.1/i586/kernel-doc-
5880353afa5f7b9493abb6a42d6c6ee2 2007.1/i586/kernel-doc-latest-2.6.17-19mdv.i586.rpm
264a1781a9d0351b94a143306c0dccaa 2007.1/i586/kernel-enterprise-
3840c5e20304a9d2c438c53df20afb82 2007.1/i586/kernel-enterprise-latest-2.6.17-19mdv.i586.rpm
03a9a3ab0c64a10919cde6adb3a01ceb 2007.1/i586/kernel-latest-2.6.17-19mdv.i586.rpm
6ec7cda18c635f1f496a9472c0115cd5 2007.1/i586/kernel-legacy-
355391f8fc33fbdc969dbb8e4c8fa278 2007.1/i586/kernel-legacy-latest-2.6.17-19mdv.i586.rpm
8b2e54974ec2e4a14d6d70e94390aadf 2007.1/i586/kernel-source-
0ee248209d3c83881258e3a18647db2c 2007.1/i586/kernel-source-latest-2.6.17-19mdv.i586.rpm
09571ded61e4c8392b45f5807e66c626 2007.1/i586/kernel-source-stripped-
b1fb78ffc15b92c7e7e67d57ead0dfc9 2007.1/i586/kernel-source-stripped-latest-2.6.17-19mdv.i586.rpm
4cbf6ebc1a149c3b1c50e1f0624d9092 2007.1/i586/kernel-xen0-
d562ce9567cd81ccc617b9549e24028c 2007.1/i586/kernel-xen0-latest-2.6.17-19mdv.i586.rpm
f18a7b958d2d9450d6a57adf2898dff4 2007.1/i586/kernel-xenU-
d5f8e804baceac664bcdad874ad33e57 2007.1/i586/kernel-xenU-latest-2.6.17-19mdv.i586.rpm
07f16c8f062dad8b8fd55be52678058a 2007.1/SRPMS/kernel-

Mandriva Linux 2007.1/X86_64:
ac5b2564d8bb689c2bdd36ee2f3997d2 2007.1/x86_64/kernel-
0f34bf1823108a0c17c26b6463ac43d6 2007.1/x86_64/kernel-doc-
ee8c9ae5d0d46f9ecfc8966b3ecf544e 2007.1/x86_64/kernel-doc-latest-2.6.17-19mdv.x86_64.rpm
fcdc4acef2b05efd137431ae98dc2392 2007.1/x86_64/kernel-latest-2.6.17-19mdv.x86_64.rpm
78d63a1c779ada7afc0dbd65b1ab504b 2007.1/x86_64/kernel-source-
7515321b614d1cc47350d9091a22290a 2007.1/x86_64/kernel-source-latest-2.6.17-19mdv.x86_64.rpm
ca5046e562138839160d2abf37afd21c 2007.1/x86_64/kernel-source-stripped-
5aece58cf818ea5ec3ec4d332a88d0e9 2007.1/x86_64/kernel-source-stripped-latest-2.6.17-19mdv.x86_64.rpm
dc8fa89caf72cffada9c736e15920fe4 2007.1/x86_64/kernel-xen0-
bc706f7491e069381e57cab88150aadd 2007.1/x86_64/kernel-xen0-latest-2.6.17-19mdv.x86_64.rpm
7cee791f9afffabd43132e767049a335 2007.1/x86_64/kernel-xenU-
900df99055f5e03b96e856845ffa00d6 2007.1/x86_64/kernel-xenU-latest-2.6.17-19mdv.x86_64.rpm
07f16c8f062dad8b8fd55be52678058a 2007.1/SRPMS/kernel-

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:


If you want to report vulnerabilities, please contact


Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
Version: GnuPG v1.4.9 (GNU/Linux)

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