CVE-2011-2491

medium

Description

The Network Lock Manager (NLM) protocol implementation in the NFS client functionality in the Linux kernel before 3.0 allows local users to cause a denial of service (system hang) via a LOCK_UN flock system call.

References

Advisories
More

https://github.com/torvalds/linux/commit/0b760113a3a155269a3fba93a409c640031dd68f

https://bugzilla.redhat.com/show_bug.cgi?id=709393

http://www.openwall.com/lists/oss-security/2011/06/23/6

http://rhn.redhat.com/errata/RHSA-2011-1212.html

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0b760113a3a155269a3fba93a409c640031dd68f

Details

Source: Mitre, NVD

Published: 2013-03-01

Updated: 2025-04-11

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H