CVE-2011-4621

The Linux kernel before 2.6.37 does not properly implement a certain clock-update optimization, which allows local users to cause a denial of service (system hang) via an application that executes code in a loop.

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

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/v2.6/ChangeLog-2.6.37	Broken Link
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f26f9aff6aaf67e9a430d16c266f91b13a5bff64
http://www.openwall.com/lists/oss-security/2011/12/21/6	Exploit Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=769711	Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/f26f9aff6aaf67e9a430d16c266f91b13a5bff64	Patch Third Party Advisory
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37	Broken Link
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f26f9aff6aaf67e9a430d16c266f91b13a5bff64
http://www.openwall.com/lists/oss-security/2011/12/21/6	Exploit Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=769711	Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/f26f9aff6aaf67e9a430d16c266f91b13a5bff64	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2012-05-17 11:00

Updated : 2025-04-11 00:51

NVD link : CVE-2011-4621

Mitre link : CVE-2011-4621

CVE.ORG link : CVE-2011-4621

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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