SB2003072501 - Integer underflow in Linux kernel
Published: July 25, 2003
Security Bulletin ID
SB2003072501
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer underflow (CVE-ID: CVE-2003-0643)
The vulnerability allows a local user to perform service disruption.
Integer signedness error in the Linux Socket Filter implementation (filter.c) in Linux 2.4.3-pre3 to 2.4.22-pre10 allows attackers to cause a denial of service (crash).
Remediation
Install update from vendor's website.
References
- http://ftp.belnet.be/linux/gentoo-portage/sys-kernel/gentoo-sources/files/gentoo-sources-2.4.CAN-2003-0643.patch
- http://gentoo.kems.net/gentoo-x86-portage/sys-kernel/gentoo-sources/ChangeLog
- http://mirror.clarkson.edu/pub/distributions/gentoo-portage/sys-kernel/wolk-sources/ChangeLog
- http://secunia.com/advisories/23265
- http://www.ultramonkey.org/bugs/cve/CAN-2003-0643.shtml
- http://www.ultramonkey.org/bugs/cve-patch/CAN-2003-0643.patch
- http://www.xerox.com/downloads/usa/en/c/cert_XRX06_004_v11.pdf