Is CVE-2011-1083 being actively exploited?

CVE-2011-1083 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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

CVE-2011-1083 has a CVSS 2.0 base score of 4.9 (MEDIUM).

CVE-2011-1083

MEDIUM · CVSS 4.9EPSS 0.8%EU EUVD

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.

Key facts

CVSS score: 4.9 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-400
EPSS score: 0.8% (57th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-1098)
Published: April 4, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-1098 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

linux / linux kernel
redhat / enterprise linux desktop
redhat / enterprise linux server
redhat / enterprise linux workstation
suse / linux enterprise desktop
suse / linux enterprise desktop
suse / linux enterprise server
suse / linux enterprise server
suse / linux enterprise server
suse / linux enterprise server

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

SUSE Linux Enterprise Server 11 Service Pack 2 on IBM System z - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0852-2013 - archived
SUSE Linux Enterprise Server 11 Service Pack 2 including KVM virtualization - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0787-2013 - archived

References

http://article.gmane.org/gmane.linux.kernel/1105744(Broken Link)
http://article.gmane.org/gmane.linux.kernel/1105888(Broken Link)
http://article.gmane.org/gmane.linux.kernel/1106686(Broken Link)
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html(Mailing List, Third Party Advisory)
http://openwall.com/lists/oss-security/2011/03/02/1(Mailing List, Patch, Third Party Advisory)
http://openwall.com/lists/oss-security/2011/03/02/2(Mailing List, Patch)
http://rhn.redhat.com/errata/RHSA-2012-0862.html(Third Party Advisory)
http://secunia.com/advisories/43522(Third Party Advisory)
http://secunia.com/advisories/48115(Third Party Advisory)
http://secunia.com/advisories/48410(Third Party Advisory)
http://secunia.com/advisories/48898(Third Party Advisory)
http://secunia.com/advisories/48964(Third Party Advisory)
http://www.osvdb.org/71265(Broken Link)
https://bugzilla.redhat.com/show_bug.cgi?id=681578(Issue Tracking, Patch, Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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