CVE-2011-1083

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Summary

CVECVE-2011-1083
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-04-04 12:27:57 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 4.9 from [email protected]

AV:L/AC:L/Au:N/C:N/I:N/A:C

Problem Types: CWE-400 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:L/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Operating System Redhat Enterprise Linux Desktop 6.0 All All All
Operating System Redhat Enterprise Linux Server 6.0 All All All
Operating System Redhat Enterprise Linux Workstation 6.0 All All All
Operating System Suse Linux Enterprise Desktop 11 sp1 All All
Operating System Suse Linux Enterprise Desktop 11 sp2 All All
Operating System Suse Linux Enterprise Server 11 sp1 All All
Operating System Suse Linux Enterprise Server 11 sp1 All All
Operating System Suse Linux Enterprise Server 11 sp2 All All
Operating System Suse Linux Enterprise Server 11 sp2 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
article.gmane.org | 522: Connection timed out af854a3a-2127-422b-91ae-364da2661108 article.gmane.org Broken Link
Security Advisory SA48410 - OpenVZ update for kernel - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
Bug 681578 – CVE-2011-1083 kernel: excessive in kernel CPU consumption when creating large nested epoll structures af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Patch, Third Party Advisory
Security Advisory SA48115 - Red Hat update for kernel - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
Linux Kernel epoll Denial of Service Vulnerability - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
[security-announce] SUSE-SU-2012:0616-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
access.redhat.com af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
article.gmane.org | 522: Connection timed out af854a3a-2127-422b-91ae-364da2661108 article.gmane.org Broken Link
www.osvdb.org/71265 af854a3a-2127-422b-91ae-364da2661108 www.osvdb.org Broken Link
[security-announce] SUSE-SU-2012:0554-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
article.gmane.org | 522: Connection timed out af854a3a-2127-422b-91ae-364da2661108 article.gmane.org Broken Link
oss-security - CVE request: kernel: Multiple DoS issues in epoll af854a3a-2127-422b-91ae-364da2661108 openwall.com Mailing List, Patch, Third Party Advisory
Security Advisory SA48898 - SUSE update for kernel - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
oss-security - Re: CVE request: kernel: Multiple DoS issues in epoll af854a3a-2127-422b-91ae-364da2661108 openwall.com Mailing List, Patch
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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