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CVE-2012-2375

Date: June 13, 2012

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.

Language: C

Severity Score

Related Resources (11)

https://people.canonical.com/~ubuntu-security/cve/CVE-2012-2375
https://bugzilla.redhat.com/show_bug.cgi?id=822869
http://www.openwall.com/lists/oss-security/2012/05/18/13
https://github.com/torvalds/linux/commit/20e0fa98b751facf9a1101edaefbc19c82616a68
https://access.redhat.com/security/cve/CVE-2012-2375
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.2
https://nvd.nist.gov/vuln/detail/CVE-2012-2375
http://rhn.redhat.com/errata/RHSA-2012-1580.html
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=20e0fa98b751facf9a1101edaefbc19c82616a68
http://marc.info/?l=bugtraq&m=139447903326211&w=2
https://www.mend.io/vulnerability-database/CVE-2012-2375

Severity Score

Weakness Type (CWE)

Numeric Errors

CWE-189

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): ADJACENT
Access Complexity (AC): HIGH
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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