SB2003123103 - Race condition in Linux kernel
Published: December 31, 2003
Security Bulletin ID
SB2003123103
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: CVE-2003-0956)
The vulnerability allows a local user to read and manipulate data.
Multiple race conditions in the handling of O_DIRECT in Linux kernel prior to version 2.4.22 could cause stale data to be returned from the disk when handling sparse files, or cause incorrect data to be returned when a file is truncated as it is being read, which might allow local users to obtain sensitive data that was originally owned by other users, a different vulnerability than CVE-2003-0018. This vulnerability affects Linux O_DIRECT versions 2.4.22 and previous
Remediation
Install update from vendor's website.