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Mandrake: Kernel buffer overflow leading to root Print E-mail
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Posted by Team   
Mandrake A vulnerability was discovered in the Linux kernel versions 2.4.22 and previous. A flaw in bounds checking in the do_brk() function can allow a local attacker to gain root privileges. This vulnerability is known to be exploitable; an exploit is in the wild at this time.

Hash: SHA1


                Mandrake Linux Security Update Advisory

 Package name:           kernel
 Advisory ID:            MDKSA-2003:110
 Date:                   December 1st, 2003

 Affected versions:	 9.0, 9.1, Corporate Server 2.1,
			 Multi Network Firewall 8.2

 Problem Description:

 A vulnerability was discovered in the Linux kernel versions 2.4.22 and
 previous.  A flaw in bounds checking in the do_brk() function can
 allow a local attacker to gain root privileges.  This vulnerability is
 known to be exploitable; an exploit is in the wild at this time.
 The Mandrake Linux 9.2 kernels are not vulnerable to this problem as
 the fix for it is already present in those kernels.
 MandrakeSoft encourages all users to upgrade their systems immediately.


 Updated Packages:
 Corporate Server 2.1:
 e512799c1f49de7b8bd488040d846a4e  corporate/2.1/RPMS/kernel-
 7f6346a73ee412ad52c14d53ef1496e1  corporate/2.1/RPMS/kernel-enterprise-
 410ec8ef4a8a201d09a4f7b1af45e7e0  corporate/2.1/RPMS/kernel-secure-
 9b90933e07a60dd19f8ff6353cab6ca9  corporate/2.1/RPMS/kernel-smp-
 8f70e81f007ba65a1347d4439a4986bb  corporate/2.1/RPMS/kernel-source-2.4.19-36mdk.i586.rpm
 e27ae3c8322b09e495a449fb1e8cf888  corporate/2.1/SRPMS/kernel-

 Corporate Server 2.1/x86_64:
 bd427eb5a5b278ac1a9d1e4834a3a6d4  x86_64/corporate/2.1/RPMS/kernel-
 84ac3f2124e4fc8e06e0cceeb729e22d  x86_64/corporate/2.1/RPMS/kernel-secure-
 4393ae3ce5da77908780cf24798eff5c  x86_64/corporate/2.1/RPMS/kernel-smp-
 7d15239870981460adbe3e2c104c2227  x86_64/corporate/2.1/RPMS/kernel-source-2.4.19-33mdk.x86_64.rpm
 e27ae3c8322b09e495a449fb1e8cf888  x86_64/corporate/2.1/SRPMS/kernel-

 Mandrake Linux 9.0:
 e512799c1f49de7b8bd488040d846a4e  9.0/RPMS/kernel-
 7f6346a73ee412ad52c14d53ef1496e1  9.0/RPMS/kernel-enterprise-
 410ec8ef4a8a201d09a4f7b1af45e7e0  9.0/RPMS/kernel-secure-
 9b90933e07a60dd19f8ff6353cab6ca9  9.0/RPMS/kernel-smp-
 8f70e81f007ba65a1347d4439a4986bb  9.0/RPMS/kernel-source-2.4.19-36mdk.i586.rpm
 e27ae3c8322b09e495a449fb1e8cf888  9.0/SRPMS/kernel-

 Mandrake Linux 9.1:
 964208c87454db75e46f6b2bfd683259  9.1/RPMS/kernel-
 e51755f9ae85de4c9a53bc7adfd66dff  9.1/RPMS/kernel-enterprise-
 2d4486f9fc42f04b9bdd1b26e3b7cb9b  9.1/RPMS/kernel-secure-
 9495cb84ae13cc39c56ff9b23f8a0906  9.1/RPMS/kernel-smp-
 f287612df3fda483f7616fb104fd4271  9.1/RPMS/kernel-source-2.4.21-0.26mdk.i586.rpm
 6a907b3727b830957d63e1cbdbe03040  9.1/SRPMS/kernel-

 Mandrake Linux 9.1/PPC:
 abd53f2a5a6b68c61f731ff64ca40696  ppc/9.1/RPMS/kernel-
 8e0058a02e938b4ae09a421f228a1dc2  ppc/9.1/RPMS/kernel-enterprise-
 ff686d8c8aab64c47f78454bbba6b295  ppc/9.1/RPMS/kernel-smp-
 b36bb2b6f9ae1fbc7223bf65767b16d4  ppc/9.1/RPMS/kernel-source-2.4.21-0.26mdk.ppc.rpm
 6a907b3727b830957d63e1cbdbe03040  ppc/9.1/SRPMS/kernel-

 Multi Network Firewall 8.2:
 045d50d5960e255a51bfd02041c1e67e  mnf8.2/RPMS/kernel-secure-
 e27ae3c8322b09e495a449fb1e8cf888  mnf8.2/SRPMS/kernel-

 To upgrade automatically use MandrakeUpdate or urpmi.  The verification
 of md5 checksums and GPG signatures is performed automatically for you.

 A list of FTP mirrors can be obtained from:

 All packages are signed by MandrakeSoft for security.  You can obtain
 the GPG public key of the Mandrake Linux Security Team by executing:

  gpg --recv-keys --keyserver 0x22458A98

 Please be aware that sometimes it takes the mirrors a few hours to

 You can view other update advisories for Mandrake Linux at:

 MandrakeSoft has several security-related mailing list services that
 anyone can subscribe to.  Information on these lists can be obtained by

 If you want to report vulnerabilities, please contact

 Type Bits/KeyID     Date       User ID
 pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team
Version: GnuPG v1.0.7 (GNU/Linux)


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