CVE-2013-4591

MEDIUM

Description

Buffer overflow in the __nfs4_get_acl_uncached function in fs/nfs/nfs4proc.c in the Linux kernel before 3.7.2 allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact via a getxattr system call for the system.nfs4_acl extended attribute of a pathname on an NFSv4 filesystem.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d3e91a89b7adbc2831334def9e494dd9892f9af

http://rhn.redhat.com/errata/RHSA-2013-1645.html

http://rhn.redhat.com/errata/RHSA-2014-0284.html

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.2

http://www.openwall.com/lists/oss-security/2013/11/18/2

http://www.securityfocus.com/bid/63791

https://bugzilla.redhat.com/show_bug.cgi?id=1031678

https://github.com/torvalds/linux/commit/7d3e91a89b7adbc2831334def9e494dd9892f9af

Details

Source: MITRE

Published: 2013-11-20

Updated: 2016-12-31

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 6.2

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

Impact Score: 10

Exploitability Score: 1.9

Severity: MEDIUM