SB2012012712 - Denial of service in Linux kernel JBD
Published: January 27, 2012 Updated: June 4, 2024
Security Bulletin ID
SB2012012712
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) Reachable assertion (CVE-ID: CVE-2011-4132)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion within the cleanup_journal_tail() function in the Journaling Block Device (JBD) functionality. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- http://www.securityfocus.com/bid/50663
- https://bugzilla.redhat.com/show_bug.cgi?id=753341
- http://xorl.wordpress.com/2011/12/08/cve-2011-4132-linux-kernel-jbdjbd2-local-dos/
- http://securitytracker.com/id?1026325
- http://www.openwall.com/lists/oss-security/2011/11/13/4
- http://www.openwall.com/lists/oss-security/2011/11/11/6
- http://secunia.com/advisories/48898
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=8762202dd0d6e46854f786bdb6fb3780a1625efe