CVE-2011-1083

Medium

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.

Package Linux Kernel
Published 2011-04-04
Last modified 2026-04-29
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

4.9

out of 10
Medium
Attack Vector
Local
Attack Complexity
Low
Privileges Required
User Interaction
Scope
Confidentiality
Low
Integrity
None
Availability
Vector string
AV:L/AC:L/Au:N/C:N/I:N/A:C

Weakness type

CWE-400

CVE-2011-1083 is a Uncontrolled Resource Consumption vulnerability

What is Uncontrolled Resource Consumption?

The product does not properly control the amount of resources it consumes, leading to exhaustion. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2011-1083 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2011-1083?

    CVE-2011-1083 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10 , classified as an Uncontrolled Resource Consumption flaw (CWE-400) . CVE-2011-1083 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2011-1083?

    CVE-2011-1083 has a CVSS score of 4.9 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:N/I:N/A:C .

  • Is there a patch available for CVE-2011-1083?

    No patch is currently available for CVE-2011-1083. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2011-1083 actively exploited?

    No — CVE-2011-1083 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

  • What is Uncontrolled Resource Consumption (CWE-400)?

    The product does not properly control the amount of resources it consumes, leading to exhaustion. View CWE-400 on MITRE CWE →