CVE-2011-4132

Public Exploit

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."

Category

2.1
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.12%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2011-4132?
CVE-2011-4132 has been scored as a low severity vulnerability.
How to fix CVE-2011-4132?
To fix CVE-2011-4132, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4132 being actively exploited in the wild?
It is possible that CVE-2011-4132 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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