Public Date:
CWE-190 -> CWE-119
453135: CVE-2007-5966 kernel: non-root can trigger cpu_idle soft lockup

The MITRE CVE dictionary describes this issue as:

Integer overflow in the hrtimer_start function in kernel/hrtimer.c in the Linux kernel before allows local users to execute arbitrary code or cause a denial of service (panic) via a large relative timeout value. NOTE: some of these details are obtained from third party information.

Find out more about CVE-2007-5966 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, and 4. It was addressed in Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG via, and respectively.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 7.2
Base Metrics AV:L/AC:L/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux version 5 (kernel) RHSA-2009:1193 2009-08-04
Red Hat Enterprise Linux EUS (v. 5.3 server) (kernel) RHSA-2009:1193 2009-08-04
MRG Grid for RHEL 5 Server (kernel-rt) RHSA-2008:0585 2008-08-26
Red Hat Enterprise Linux EUS (v. 5.2 server) (kernel) RHSA-2010:0079 2010-02-02