Vulnerability 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 Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.6.37 |
Related Weaknesses (CWE)
References
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37Broken Link
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://www.openwall.com/lists/oss-security/2011/12/21/6ExploitMailing ListPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=769711Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/f26f9aff6aaf67e9a430d16c266f91b13a5bff6PatchThird Party Advisory
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.37Broken Link
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://www.openwall.com/lists/oss-security/2011/12/21/6ExploitMailing ListPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=769711Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/f26f9aff6aaf67e9a430d16c266f91b13a5bff6PatchThird Party Advisory
FAQ
What is CVE-2011-4621?
CVE-2011-4621 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 cod...
How severe is CVE-2011-4621?
CVE-2011-4621 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-4621?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.