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Debian Security Advisory DSA 276-1 securityat_private
http://www.debian.org/security/ Martin Schulze
April 3rd, 2003 http://www.debian.org/security/faq
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Packages : kernel-patch-2.4.17-s390, kernel-image-2.4.17-s390
Vulnerability : local privilege escalation
Problem-Type : local
Debian-specific: no
CVE Id : CAN-2003-0127
The kernel module loader in Linux 2.2 and Linux 2.4 kernels has a flaw
in ptrace. This hole allows local users to obtain root privileges by
using ptrace to attach to a child process that is spawned by the
kernel. Remote exploitation of this hole is not possible.
This advisory only covers kernel packages for the S/390 architecture.
Other architectures will be covered by separate advisories.
For the stable distribution (woody) this problem has been fixed in the
following versions:
kernel-patch-2.4.17-s390: version 0.0.20020816-0.woody.1.1
kernel-image-2.4.17-s390: version 2.4.17-2.woody.2.2
The old stable distribution (potato) is not affected by this problem
for this architecture since s390 was first released with Debian
GNU/Linux 3.0 (woody).
For the unstable distribution (sid) this problem will be fixed soon.
We recommend that you upgrade your kernel-images packages immediately.
Upgrade Instructions
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wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.
If you are using the apt-get package manager, use the line for
sources.list as given below:
apt-get update
will update the internal database
apt-get upgrade
will install corrected packages
You may use an automated update by adding the resources from the
footer to the proper configuration.
Debian GNU/Linux 3.0 alias woody
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Source archives:
http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-s390/kernel-patch-2.4.17-s390_0.0.20020816-0.woody.1.1.dsc
Size/MD5 checksum: 793 797d475344401f5fb9ad14deb88cd9eb
http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-s390/kernel-patch-2.4.17-s390_0.0.20020816-0.woody.1.1.diff.gz
Size/MD5 checksum: 6640 0fa8c3bc6c33d5fe47200e2e78c895fb
http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-s390/kernel-patch-2.4.17-s390_0.0.20020816.orig.tar.gz
Size/MD5 checksum: 338001 5979fbe7c3325033536dfd3914e22dbd
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-s390/kernel-image-2.4.17-s390_2.4.17-2.woody.2.2.dsc
Size/MD5 checksum: 766 4ed91ba4468490b1f000f2f50fefcfcd
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-s390/kernel-image-2.4.17-s390_2.4.17-2.woody.2.2.tar.gz
Size/MD5 checksum: 7041 aa4841ee18ad551085aac60b2afd156f
Architecture independent components:
http://security.debian.org/pool/updates/main/k/kernel-patch-2.4.17-s390/kernel-patch-2.4.17-s390_0.0.20020816-0.woody.1.1_all.deb
Size/MD5 checksum: 301464 691bc1a529cb6125bb04ca43d795c139
IBM S/390 architecture:
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-s390/kernel-headers-2.4.17_2.4.17-2.woody.2.2_s390.deb
Size/MD5 checksum: 3316464 5e748d0b8376f80bcbc6f1fea8d73b64
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.17-s390/kernel-image-2.4.17-s390_2.4.17-2.woody.2.2_s390.deb
Size/MD5 checksum: 1339368 fa1ff23854a5ae570efec050bc42eb13
These files will probably be moved into the stable distribution on
its next revision.
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For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announceat_private
Package info: `apt-cache show <pkg>' and http://packages.debian.org/>
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: Thu Apr 03 2003 - 14:14:36 PST