Vulnerability Monitor

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CVE-2012-2375

The __nfs4_get_acl_uncached function in fs/nfs/nfs4proc.c in the NFSv4 implementation in the Linux kernel before 3.3.2 uses an incorrect length variable during a copy operation, which allows remote NFS servers to cause a denial of service (OOPS) by sending an excessive number of bitmap words in an FATTR4_ACL reply. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-4131.

Security Impact Summary

CVE-2012-2375 is a security vulnerability that . Impacting 1 product from linux organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2012, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2012-06-13T10:24:55.967

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.6 (MEDIUM)

CVSSv2 Vector

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

Access Vector: ADJACENT_NETWORK
Access Complexity: HIGH
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.2

Impact Score

6.9

Weaknesses

Type: Primary
CWE-189

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 3.3.1	Yes
Operating System	linux	linux_kernel	3.3	Yes
Operating System	linux	linux_kernel	3.3	Yes
Operating System	linux	linux_kernel	3.3	Yes
Operating System	linux	linux_kernel	3.3	Yes
Operating System	linux	linux_kernel	3.3	Yes
Operating System	linux	linux_kernel	3.3	Yes
Operating System	linux	linux_kernel	3.3	Yes
Operating System	linux	linux_kernel	3.3	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=20e0fa98b751facf9a1101edaefbc19c82616a68 ([email protected])
http://marc.info/?l=bugtraq&m=139447903326211&w=2 ([email protected])
http://rhn.redhat.com/errata/RHSA-2012-1580.html ([email protected])
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.2 ([email protected])
http://www.openwall.com/lists/oss-security/2012/05/18/13 ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=822869 ([email protected])
https://github.com/torvalds/linux/commit/20e0fa98b751facf9a1101edaefbc19c82616a68 Exploit, Patch ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=20e0fa98b751facf9a1101edaefbc19c82616a68 (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=bugtraq&m=139447903326211&w=2 (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2012-1580.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.2 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2012/05/18/13 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=822869 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/20e0fa98b751facf9a1101edaefbc19c82616a68 Exploit, Patch (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.