Vulnerability Description
The add_del_listener function in kernel/taskstats.c in the Linux kernel 2.6.39.1 and earlier does not prevent multiple registrations of exit handlers, which allows local users to cause a denial of service (memory and CPU consumption), and bypass the OOM Killer, via a crafted application.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 2.6.39.1 |
Related Weaknesses (CWE)
References
- http://lists.openwall.net/linux-kernel/2011/06/16/605Patch
- http://openwall.com/lists/oss-security/2011/06/22/1Mailing ListPatch
- http://openwall.com/lists/oss-security/2011/06/22/2Mailing ListPatch
- http://www.securityfocus.com/bid/48383Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=715436Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68150VDB Entry
- http://lists.openwall.net/linux-kernel/2011/06/16/605Patch
- http://openwall.com/lists/oss-security/2011/06/22/1Mailing ListPatch
- http://openwall.com/lists/oss-security/2011/06/22/2Mailing ListPatch
- http://www.securityfocus.com/bid/48383Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=715436Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68150VDB Entry
FAQ
What is CVE-2011-2484?
CVE-2011-2484 is a vulnerability with a CVSS score of 4.9 (MEDIUM). The add_del_listener function in kernel/taskstats.c in the Linux kernel 2.6.39.1 and earlier does not prevent multiple registrations of exit handlers, which allows local users to cause a denial of ser...
How severe is CVE-2011-2484?
CVE-2011-2484 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-2484?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.