Vulnerability Details : CVE-2011-4131
The NFSv4 implementation in the Linux kernel before 3.2.2 does not properly handle bitmap sizes in GETACL replies, which allows remote NFS servers to cause a denial of service (OOPS) by sending an excessive number of bitmap words.
Vulnerability category: Denial of service
Products affected by CVE-2011-4131
- cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-4131
0.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 62 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-4131
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:A/AC:H/Au:N/C:N/I:N/A:C |
3.2
|
6.9
|
NIST |
CWE ids for CVE-2011-4131
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4131
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https://bugzilla.redhat.com/show_bug.cgi?id=747106
747106 – (CVE-2011-4131) CVE-2011-4131 kernel: nfs4_getfacl decoding kernel oops
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http://rhn.redhat.com/errata/RHSA-2012-0862.html
RHSA-2012:0862 - Security Advisory - Red Hat Customer Portal
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http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
[security-announce] SUSE-SU-2012:0554-1: important: Security update for
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http://lists.fedoraproject.org/pipermail/package-announce/2012-May/081280.html
[SECURITY] Fedora 16 Update: kernel-3.3.7-1.fc16
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http://rhn.redhat.com/errata/RHSA-2012-1541.html
RHSA-2012:1541 - Security Advisory - Red Hat Customer Portal
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bf118a342f10dafe44b14451a1392c3254629a1f
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http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
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https://github.com/torvalds/linux/commit/bf118a342f10dafe44b14451a1392c3254629a1f
NFSv4: include bitmap in nfsv4 get acl data · torvalds/linux@bf118a3 · GitHub
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http://www.openwall.com/lists/oss-security/2011/11/12/1
oss-security - Re: CVE Request -- kernel: nfs4_getfacl decoding kernel oops
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http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
[security-announce] openSUSE-SU-2013:0925-1: important: kernel: security
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