CVE-2011-1083
MEDIUM severity · CVSS 4.9 · Uncontrolled resource consumption
4.9CVSS MEDIUM
Summary
The epoll implementation in the Linux kernel 2.6.37.2 and earlier does not properly traverse a tree of epoll file descriptors, which allows local users to cause a denial of service (CPU consumption) via a crafted application that makes epoll_create and epoll_ctl system calls.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)1%
AV:L/AC:L/Au:N/C:N/I:N/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://openwall.com/lists/oss-security/2011/03/02/1 ↗
Additional information
- NVD record
- http://openwall.com/lists/oss-security/2011/03/02/1Patch
- http://openwall.com/lists/oss-security/2011/03/02/2Patch
- http://article.gmane.org/gmane.linux.kernel/1105744
- http://article.gmane.org/gmane.linux.kernel/1105888
- http://article.gmane.org/gmane.linux.kernel/1106686
- http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2012-0862.htmlAdvisory