SB2006101201 - Information exposure in Linux kernel
Published: October 12, 2006
Security Bulletin ID
SB2006101201
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-2006-4813)
The vulnerability allows a local user to gain access to sensitive information.
The __block_prepare_write function in fs/buffer.c for Linux kernel 2.6.x before 2.6.13 does not properly clear buffers during certain error conditions, which allows local users to read portions of files that have been unlinked.
Remediation
Install update from vendor's website.
References
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=207463
- http://www.us.debian.org/security/2006/dsa-1233
- http://www.ubuntu.com/usn/usn-395-1
- http://secunia.com/advisories/23370
- http://secunia.com/advisories/23384
- http://www.novell.com/linux/security/advisories/2006_79_kernel.html
- http://www.securityfocus.com/bid/21522
- http://support.avaya.com/elmodocs2/security/ASA-2007-063.htm
- http://rhn.redhat.com/errata/RHSA-2007-0014.html
- http://secunia.com/advisories/23752
- http://secunia.com/advisories/23997
- http://secunia.com/advisories/24206
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:012
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:025
- http://secunia.com/advisories/23474
- http://osvdb.org/31376
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11701
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=152becd26e0563aefdbc4fd1fe491928efe92d1f