[SECURITY] [DSA 417-2] New Linux 2.4.18 packages fix local root exploit (alpha)
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Debian Security Advisory DSA 417-2 security@debian.org
http://www.debian.org/security/ Martin Schulze
January 9th, 2004 http://www.debian.org/security/faq
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Package : kernel-image-2.4.18-1-alpha
Vulnerability : mising boundary check
Problem-Type : local
Debian-specific: no
CVE ID : CAN-2003-0985
Since DSA 417-1 lacked fixed kernel image files for the alpha
architecture these are added now. For completeness below is the
original advisory:
Paul Starzetz discovered a flaw in bounds checking in mremap() in
the Linux kernel (present in version 2.4.x and 2.6.x) which may
allow a local attacker to gain root privileges. Version 2.2 is not
affected by this bug.
For the stable distribution (woody) this problem has been fixed in
version 2.4.18-13 for the alpha architecture.
For the unstable distribution (sid) this problem will be fixed soon
with newly uploaded packages.
We recommend that you upgrade your kernel packages. This problem has
been fixed in the upstream version 2.4.24 as well.
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-image-2.4.18-1-alpha/kernel-image-2.4.18-1-alpha_2.4.18-13.dsc
Size/MD5 checksum: 876 e9ee8553c93d1c775d740a42af0dad79
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-alpha/kernel-image-2.4.18-1-alpha_2.4.18-13.tar.gz
Size/MD5 checksum: 24369 f81518d57cdc049f4fb050e26459ec7e
Alpha architecture:
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-alpha/kernel-headers-2.4.18-1_2.4.18-13_alpha.deb
Size/MD5 checksum: 3362926 3170b68fb7df696bdb2408b01fa0fabb
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-alpha/kernel-headers-2.4.18-1-generic_2.4.18-13_alpha.deb
Size/MD5 checksum: 3512306 96787202bb14870c74a5f5f9dd5e645d
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-alpha/kernel-headers-2.4.18-1-smp_2.4.18-13_alpha.deb
Size/MD5 checksum: 3514938 8a779bd6eed7624c335cc1c803608a09
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-alpha/kernel-image-2.4.18-1-generic_2.4.18-13_alpha.deb
Size/MD5 checksum: 12425832 13eb3f9e969ee7299973fe42e78f24f1
http://security.debian.org/pool/updates/main/k/kernel-image-2.4.18-1-alpha/kernel-image-2.4.18-1-smp_2.4.18-13_alpha.deb
Size/MD5 checksum: 12799584 6029dadc4f7c7795f7bd2e9c4a5c7bf8
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-announce@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
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