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Bug#480390: linux-2.6: CVE-2008-1615 local denial of service on amd64



Package: linux-2.6
Severity: grave
Tags: security

Hi,
the following CVE (Common Vulnerabilities & Exposures) id was
published for linux-2.6.


CVE-2008-1615[0]:
| Linux kernel 2.6.18, and possibly other versions, when running on
| AMD64 architectures, allows local users to cause a denial of service
| (crash) via certain ptrace calls.

This issue affects the 2.6 kernels in Debian on amd64.

Steps to reproduce:
wget -O x86_64-cs.c http://sources.redhat.com/cgi-bin/cvsweb.cgi/~checkout~/tests/ptrace-tests/tests/x86_64-cs.c?cvsroot=systemtap
gcc -o x86_64-cs x86_64-cs.c -Wall -ggdb2 -D_GNU_SOURCE
./x86_64-cs

Redhat used https://bugzilla.redhat.com/attachment.cgi?id=294062
to patch this, unfortunately this patch does not work for > 
2.6.24 and I have no idea about porting it.

If you fix the vulnerability please also make sure to include the
CVE id in your changelog entry.

For further information see:

[0] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1615
    http://security-tracker.debian.net/tracker/CVE-2008-1615

-- 
Nico Golde - http://www.ngolde.de - nion@jabber.ccc.de - GPG: 0x73647CFF
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