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Mandriva Linux Security Advisory 2007.216

Mandriva Linux Security Advisory 2007.216
Posted Nov 14, 2007
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory - About a half dozen vulnerabilities were discovered and corrected in the Linux 2.6 kernel. These range from buffer overflows to denial of service flaws.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, mandriva
advisories | CVE-2007-2172, CVE-2007-2242, CVE-2007-2453, CVE-2007-2525, CVE-2007-3105, CVE-2007-4133
MD5 | d8fcfc5806de2fc7a2e7be34ad4f632e

Mandriva Linux Security Advisory 2007.216

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Hash: SHA1


Mandriva Linux Security Advisory MDKSA-2007:216

Package : kernel
Date : November 13, 2007
Affected: Corporate 3.0, Multi Network Firewall 2.0

Problem Description:

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

A typo in the Linux kernel caused RTA_MAX to be used as an array size
instead of RTN_MAX, which lead to an out of bounds access by certain
functions (CVE-2007-2172).

The IPv6 protocol allowed remote attackers to cause a denial of
service via crafted IPv6 type 0 route headers that create network
amplification between two routers (CVE-2007-2242).

The random number feature did not properly seed pools when there was
no entropy, or used an incorrect cast when extracting entropy, which
could cause the random number generator to provide the same values
after reboots on systems without an entropy source (CVE-2007-2453).

A memory leak in the PPPoE socket implementation allowed local users
to cause a denial of service (memory consumption) by creating a
socket using connect, and releasing it before the PPPIOCGCHAN ioctl
is initialized (CVE-2007-2525).

A stack-based buffer overflow in the random number generator could
allow local root users to cause a denial of service or gain privileges
by setting the default wakeup threshold to a value greater than the
output pool size (CVE-2007-3105).

The hugetlb_vmtruncate_list() and hugetlb_vmtruncate() functions in the
Linux kernel perform certain pio_tree calculations using HPAGE_SIZE
intead of PAGE_SIZE units, which may allow local users to cause a
denial of service (panic) via unspecified vectors (CVE-2007-4133).

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




Updated Packages:

Corporate 3.0:
951b74d57e994b4628145efacc37222c corporate/3.0/i586/kernel-
86de2411fb8c3d140849b8acdb2ddf6e corporate/3.0/i586/kernel-BOOT-
cdf5a2817b915da2da45f9437ec8d38f corporate/3.0/i586/kernel-doc-2.6.3-37mdk.i586.rpm
59d21423ef81ff35dddad9001fda3642 corporate/3.0/i586/kernel-enterprise-
9d1434bd62398cf5dcaab7415f147277 corporate/3.0/i586/kernel-i686-up-4GB-
a529c6992a35891bc520d3ad890cbf12 corporate/3.0/i586/kernel-p3-smp-64GB-
3d2a8f68700537c645640f5306ca8960 corporate/3.0/i586/kernel-secure-
be4214847382dc6f0d5643f22ddf8f39 corporate/3.0/i586/kernel-smp-
e2689b9b306664d765d862c0daede5d5 corporate/3.0/i586/kernel-source-2.6.3-37mdk.i586.rpm
008504eda8fed1c67454cd60c027d028 corporate/3.0/i586/kernel-source-stripped-2.6.3-37mdk.i586.rpm
b9d3ea705a1bef93599196cc49b82542 corporate/3.0/SRPMS/kernel-

Corporate 3.0/X86_64:
8169fd11e477ca0b8632c08a7117917e corporate/3.0/x86_64/kernel-
cf8eb0161a4546fa607b0d929a1aa0f4 corporate/3.0/x86_64/kernel-BOOT-
872f9663d73566764008dd809eec01cf corporate/3.0/x86_64/kernel-doc-2.6.3-37mdk.x86_64.rpm
324a6126fae141784d37ee9d9225d89a corporate/3.0/x86_64/kernel-secure-
c91f757553e380aafc8188e7639b6f55 corporate/3.0/x86_64/kernel-smp-
7b7ef3e6dcd36a7148f582c22c62640c corporate/3.0/x86_64/kernel-source-2.6.3-37mdk.x86_64.rpm
ff5dbcddb882758fd0f6f74c90b9281a corporate/3.0/x86_64/kernel-source-stripped-2.6.3-37mdk.x86_64.rpm
b9d3ea705a1bef93599196cc49b82542 corporate/3.0/SRPMS/kernel-

Multi Network Firewall 2.0:
a5c867fd3c793d8322dc1b126316851f mnf/2.0/i586/kernel-
86082110e7d82931a415bfeae71a1d26 mnf/2.0/i586/kernel-i686-up-4GB-
bb8cd008ed4dce886eef632c2e21fe87 mnf/2.0/i586/kernel-p3-smp-64GB-
998a08ace2f127df5421122ddb3fa66f mnf/2.0/i586/kernel-secure-
14607a9531ab4b2a39ea92290138f2a2 mnf/2.0/i586/kernel-smp-
a7036e1a17abe820d86dd900ca4e9736 mnf/2.0/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 v1.4.7 (GNU/Linux)

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