Linux Kernel 32 Bit Ptrace Emulation Full Kernel Rights Vulnerability

BID:9429

Info

Linux Kernel 32 Bit Ptrace Emulation Full Kernel Rights Vulnerability

Bugtraq ID: 9429
Class: Input Validation Error
CVE: CVE-2004-0001
Remote: No
Local: Yes
Published: Jan 15 2004 12:00AM
Updated: Jul 12 2009 02:06AM
Credit: Discovery of this issue is credited to Andi Kleen <[email protected]>.
Vulnerable: Redhat Fedora Core1
Linux kernel 2.4.21
+ Mandriva Linux Mandrake 9.1 ppc
 + Mandriva Linux Mandrake 9.1
+ Redhat Desktop 3.0
+ Redhat Enterprise Linux AS 3
 + Redhat Enterprise Linux ES 3
 + Redhat Enterprise Linux WS 3
 + S.u.S.E. Linux Personal 9.0 x86_64
 + S.u.S.E. Linux Personal 9.0
+ SuSE SUSE Linux Enterprise Server 8
Not Vulnerable:

Discussion

Linux Kernel 32 Bit Ptrace Emulation Full Kernel Rights Vulnerability

A vulnerability has been discovered in the 32-bit ptrace emulation in the Linux kernel on x86_64 architectures. This vulnerability allows a user space program to gain full control of the kernel due to a failure to validate information stored in a system register.

Exploit / POC

Linux Kernel 32 Bit Ptrace Emulation Full Kernel Rights Vulnerability

Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] &lt;mailto:[email protected]&gt;.

Solution / Fix

Linux Kernel 32 Bit Ptrace Emulation Full Kernel Rights Vulnerability

Solution:
Mandrake has released an advisory (MDKSA-2004:015) with fixes to address this issue. Please see the referenced advisory for more information.

SuSE has released advisory SuSE-SA:2004:003 as well as updates dealing with this issue.

Red Hat has released an advisory FEDORA-2004-063 for Fedora Core 1. Please see the referenced advisory for more information.

Gentoo has released an advisory GLSA-200402-06 to address this issue. Please see the referenced advisory for more information. Gentoo users may carry out the following commands to obtain fixes:

emerge sync
emerge -pv your-favorite-sources
emerge your-favorite-sources

Follow usual procedures for compiling and installing a kernel.
If you use genkernel, run genkernel as you would do normally.

Mandrake has released an updated advisory MDKSA-2004:015-1 to address this and other issues. Please see the referenced advisory for more information.


Redhat Fedora Core1

Linux kernel 2.4.21

References

Linux Kernel 32 Bit Ptrace Emulation Full Kernel Rights Vulnerability

References:

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