SB2004021901 - Information exposure in Linux kernel
Published: February 19, 2004
Security Bulletin ID
SB2004021901
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) Information exposure (CVE-ID: CVE-2004-2136)
The vulnerability allows a local user to gain access to sensitive information.
dm-crypt on Linux kernel 2.6.x, when used on certain file systems with a block size 1024 or greater, has certain 'IV computation' weaknesses that allow watermarked files to be detected without decryption.
Remediation
Install update from vendor's website.