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CVE-2011-4132

13
FAUCET Score

CVE-2011-4132 describes a denial-of-service vulnerability in the Linux kernel's Journaling Block Device (JBD) functionality, affecting versions 2.6 and various Linux distributions including SUSE. A local attacker can trigger an assertion error and kernel oops by providing a specially crafted ext3 or ext4 image with an invalid log first block value. This vulnerability has a low CVSS score of 2.1, indicating low severity due to requiring local access and only causing a partial denial of service. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.6CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6:*:*:*:*:*:*:*
10CPE matchmatch criteria
cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

AV:L/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.49%
Probability of exploitation in next 30 days
EPSS Percentile
39.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 74th percentile among its peer group of 2,096 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-274.17.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-220.7.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-0:2.6.33.9-rt31.79.el6rt
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-0:3.0.18-rt34.53.el6rt
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: kernel
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 6.2Fixed in: kernel

Vendor Advisories (1)

redhatCVE-2011-4132Moderate

kernel: jbd/jbd2: invalid value of first log block leads to oops

Nov 1, 2011

References

git.kernel.org
lists.opensuse.org / opensuse-security-announce/2012-04/msg00021.html
lists.opensuse.org / opensuse-security-announce/2015-04/msg00020.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/48898
securitytracker.com / id
openwall.com / lists/oss-security/2011/11/11/6
openwall.com / lists/oss-security/2011/11/13/4
securityfocus.com / bid/50663
xorl.wordpress.com / 2011/12/08/cve-2011-4132-linux-kernel-jbdjbd2-local-dos
Exploit