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Trustix Secure Linux Security Advisory #2005-0001
Package name: fcron, kernel
Summary: Security
Date: 2005-01-13
Affected versions: Trustix Secure Linux 2.1
Trustix Secure Linux 2.2
Trustix Operating System - Enterprise Server 2
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Package description:
fcron:
Fcron is a scheduler. It is used to run specified tasks at specified times.
kernel:
The kernel package contains the Linux kernel (vmlinuz), the core of your
Trustix Secure Linux operating system. The kernel handles the basic
functions of the operating system: memory allocation, process allocation,
device input and output, etc.
Problem description:
fcron:
Security vulnerabilites have been found in fcronsighup, the program used
by fcrontab to tell fcron it should reload its configuration.
Fcron 2.9.5.1 fixes the reported bugs and improves fcronsighup's overall
security.
kernel:
Paul Starzetz discovered an exploitable flaw in the page fault handler.
This only affects SMP kernels.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2005-0001 to this issue.
Paul Starzetz discovered an exploitable flaw in the binary loaders for
ELF and a.out.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the names CAN-2004-1235 and CAN-2004-1074 to this issue.
Chris Wright fixed a user triggerable BUG() when a user created a large
vma that overlapped with arg pages during exec.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2005-0003 to this issue.
Action:
We recommend that all systems with this package installed be upgraded.
Please note that if you do not need the functionality provided by this
package, you may want to remove it from your system.
Location:
All Trustix Secure Linux updates are available from
<URI:http://http.trustix.org/pub/trustix/updates/>
<URI:ftp://ftp.trustix.org/pub/trustix/updates/>
About Trustix Secure Linux:
Trustix Secure Linux is a small Linux distribution for servers. With focus
on security and stability, the system is painlessly kept safe and up to
date from day one using swup, the automated software updater.
Automatic updates:
Users of the SWUP tool can enjoy having updates automatically
installed using 'swup --upgrade'.
Questions?
Check out our mailing lists:
<URI:http://www.trustix.org/support/>
Verification:
This advisory along with all Trustix packages are signed with the
TSL sign key.
This key is available from:
<URI:http://www.trustix.org/TSL-SIGN-KEY>
The advisory itself is available from the errata pages at
<URI:http://www.trustix.org/errata/trustix-1.5/>,
<URI:http://www.trustix.org/errata/trustix-2.0/>,
<URI:http://www.trustix.org/errata/trustix-2.1/> and
<URI:http://www.trustix.org/errata/trustix-2.2/>
or directly at
<URI:http://www.trustix.org/errata/2005/xxxx/>
MD5sums of the packages:
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3fc55fd0937594be4d7f3691d8d2b848 2.2/rpms/fcron-2.9.5-2tr.i586.rpm
573b2d3472ca2f7045a899e1ef11f612 2.2/rpms/kernel-2.4.28-7tr.i586.rpm
24377fa035ae34b883cc3e6ed23b7a07 2.2/rpms/kernel-BOOT-2.4.28-7tr.i586.rpm
98b1bc8129b0cc9e870c9f0b80302f52 2.2/rpms/kernel-doc-2.4.28-7tr.i586.rpm
135d125be3f1d0aefd25c3496f84608a 2.2/rpms/kernel-smp-2.4.28-7tr.i586.rpm
467c553d32b93d0b89dd7b5096af6f18 2.2/rpms/kernel-source-2.4.28-7tr.i586.rpm
6fdba81878841ec179ddb19b57682f0d 2.2/rpms/kernel-utils-2.4.28-7tr.i586.rpm
60708932f68ea9b22366c0b4d480b1a1 2.1/rpms/fcron-2.9.5.1-1tr.i586.rpm
09e6834988d360bbfc30589fb8a6c690 2.1/rpms/kernel-2.4.28-3tr.i586.rpm
8bc1236ef6a3f6a1141d782fa3c0f61d 2.1/rpms/kernel-BOOT-2.4.28-3tr.i586.rpm
60ddeefe597383bb10fd332247f3bbce 2.1/rpms/kernel-doc-2.4.28-3tr.i586.rpm
3353625a06bc4f9c2fc69a4832cd7cd0 2.1/rpms/kernel-firewall-2.4.28-3tr.i586.rpm
568b5491424463bcd9edadac734dfb0f 2.1/rpms/kernel-firewallsmp-2.4.28-3tr.i586.rpm
24ccd6eeaffc59c457f2510c8779c3ca 2.1/rpms/kernel-smp-2.4.28-3tr.i586.rpm
bd42164aee09465748a27d53c181a85b 2.1/rpms/kernel-source-2.4.28-3tr.i586.rpm
9ab0e533f809df322acbd053c4efb955 2.1/rpms/kernel-utils-2.4.28-3tr.i586.rpm
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Trustix Security Team
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