CVE-2011-4621 - Infuriated Toucan

Description

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 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

https://github.com/torvalds/linux/commit/f26f9aff6aaf67e9a430d16c266f91b13a5bff64 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f26f9aff6aaf67e9a430d16c266f91b13a5bff64 http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37 https://bugzilla.redhat.com/show_bug.cgi?id=769711 http://www.openwall.com/lists/oss-security/2011/12/21/6

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5