CVE-2011-1083
The MITRE CVE dictionary describes this issue as:
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.
Find out more about CVE-2011-1083 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
This issue affected the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4, 5, 6, and Red Hat Enterprise MRG. It was addressed in Red Hat Enterprise Linux 5 and 6 via RHSA-2012:0150 and RHSA-2012:0862 respectively. There is no plan to address this flaw in Red Hat Enterprise Linux 4. Future updates may address this issue in Red Hat Enterprise MRG.
CVSS v2 metrics
| Base Score | 4.9 |
|---|---|
| Base Metrics | AV:L/AC:L/Au:N/C:N/I:N/A:C |
| Access Vector | Local |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| 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 5 (kernel) | RHSA-2012:0150 | 2012-02-21 |
| Red Hat Enterprise Linux 6 (kernel) | RHSA-2012:0862 | 2012-06-19 |
| Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) | RHBA-2012:0496 | 2012-04-18 |
| Red Hat Enterprise Linux Extended Update Support 6.2 (kernel) | RHSA-2012:1129 | 2012-07-31 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 2 | realtime-kernel | Will not fix |
| Red Hat Enterprise Linux 4 | kernel | Will not fix |
Acknowledgements
Red Hat would like to thank Nelson Elhage for reporting this issue.CVE description copyright © 2017, The MITRE Corporation