SB2003021901 - Improper privilege management in Linux kernel
Published: February 19, 2003
Security Bulletin ID
SB2003021901
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper privilege management (CVE-ID: CVE-2003-0018)
The vulnerability allows a local user to read memory contents or crash the application.
Linux kernel 2.4.10 through 2.4.21-pre4 does not properly handle the O_DIRECT feature, which allows local attackers with write privileges to read portions of previously deleted files, or cause file system corruption.
Remediation
Install update from vendor's website.
References
- http://linux.bkbits.net:8080/linux-2.4/cset@3e2f193drGJDBg9SG6JwaDQwCBnAMQ
- http://www.debian.org/security/2003/dsa-358
- http://www.debian.org/security/2004/dsa-423
- http://www.iss.net/security_center/static/11249.php
- http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:014
- http://www.redhat.com/support/errata/RHSA-2003-025.html
- http://www.securityfocus.com/bid/6763