CVE-2011-4132

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-01-27 · updated 2026-06-16
Weakness: CWE-20

Description

The cleanup_journal_tail function in the Journaling Block Device (JBD) functionality in the Linux kernel 2.6 allows local users to cause a denial of service (assertion error and kernel oops) via an ext3 or ext4 image with an "invalid log first block value."

Affected products

Linux kernel: 2.6
SUSE Linux Enterprise Server: 10-sp4

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=8762202dd0d6e46854f786bdb6fb3780a1625efe
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
http://secunia.com/advisories/48898
http://securitytracker.com/id?1026325
http://www.openwall.com/lists/oss-security/2011/11/11/6
http://www.openwall.com/lists/oss-security/2011/11/13/4
http://www.securityfocus.com/bid/50663
http://xorl.wordpress.com/2011/12/08/cve-2011-4132-linux-kernel-jbdjbd2-local-dos/
https://bugzilla.redhat.com/show_bug.cgi?id=753341
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=8762202dd0d6e46854f786bdb6fb3780a1625efe
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html

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