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CVE-2011-4131

18
FAUCET Score

CVE-2011-4131 describes a denial-of-service vulnerability in the NFSv4 implementation of the Linux kernel prior to version 3.2.2. A remote NFS server can trigger an OOPS (kernel panic) by sending an excessive number of bitmap words in a GETACL reply. This vulnerability has a CVSS score of 4.6, indicating a medium severity, and requires network access with high attack complexity to achieve a complete denial of service. There is no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*
3.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*
3.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*
3.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:*
3.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.6MEDIUM

AV:A/AC:H/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
ADJACENT_NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
3.2
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0077 is in the 94th percentile among its peer group of 1,749 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-279.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.2 EUS - Server and Compute Node OnlyFixed in: kernel-0:2.6.32-220.30.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-0:3.0.18-rt34.53.el6rt
View patch

Vendor Advisories (1)

redhatCVE-2011-4131Moderate

kernel: nfs4_getfacl decoding kernel oops

Nov 5, 2011

References

git.kernel.org
lists.fedoraproject.org / pipermail/package-announce/2012-May/081280.html
lists.opensuse.org / opensuse-security-announce/2012-04/msg00021.html
lists.opensuse.org / opensuse-security-announce/2013-06/msg00005.html
rhn.redhat.com / errata/RHSA-2012-0862.html
rhn.redhat.com / errata/RHSA-2012-1541.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/48898
github.com / torvalds/linux/commit/bf118a342f10dafe44b14451a1392c3254629a1f
kernel.org / pub/linux/kernel/v3.x/ChangeLog-3.2.2
openwall.com / lists/oss-security/2011/11/12/1