CVEvulnerability
CVE-2011-2521
4.9 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2012-05-24
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-189
Description
The x86_assign_hw_event function in arch/x86/kernel/cpu/perf_event.c in the Performance Events subsystem in the Linux kernel before 2.6.39 does not properly calculate counter values, which allows local users to cause a denial of service (panic) via the perf program.
Affected configurations
• linux linux kernel (< 2.6.39)
Related
Weakness · not in database (1)
References
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 Broken Link
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc66c5210ec2539e800e87d7b3a985323c7be96e git.kernel.org
- http://www.openwall.com/lists/oss-security/2011/07/06/4 Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=719228 Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e Patch, Third Party Advisory
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 Broken Link
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc66c5210ec2539e800e87d7b3a985323c7be96e git.kernel.org
- http://www.openwall.com/lists/oss-security/2011/07/06/4 Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=719228 Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e Patch, Third Party Advisory