CVE-2011-2491

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.

CVSS v2.0 4.9 MEDIUM

4.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0	Broken Link
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0b760113a3a155269a3fba93a409c640031dd68f
http://rhn.redhat.com/errata/RHSA-2011-1212.html	Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/06/23/6	Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=709393	Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/0b760113a3a155269a3fba93a409c640031dd68f	Patch Third Party Advisory
http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0	Broken Link
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0b760113a3a155269a3fba93a409c640031dd68f
http://rhn.redhat.com/errata/RHSA-2011-1212.html	Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/06/23/6	Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=709393	Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/0b760113a3a155269a3fba93a409c640031dd68f	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server:5.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:::::::*

History

No history.

Information

Published : 2013-03-01 12:37

Updated : 2025-04-11 00:51

NVD link : CVE-2011-2491

Mitre link : CVE-2011-2491

CVE.ORG link : CVE-2011-2491

JSON object : View

Products Affected

redhat

enterprise_linux_desktop
enterprise_linux_workstation
enterprise_linux_server

linux

linux_kernel

CWE

CWE-400

Uncontrolled Resource Consumption

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