Vulnerability Monitor

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CVE-2011-1083

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.

Published

2011-04-04T12:27:57.390

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.9 (MEDIUM)

CVSSv2 Vector

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

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-400

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 2.6.37.2	Yes
Operating System	suse	linux_enterprise_desktop	11	Yes
Operating System	suse	linux_enterprise_desktop	11	Yes
Operating System	suse	linux_enterprise_server	11	Yes
Operating System	suse	linux_enterprise_server	11	Yes
Operating System	suse	linux_enterprise_server	11	Yes
Operating System	suse	linux_enterprise_server	11	Yes
Operating System	redhat	enterprise_linux_desktop	6.0	Yes
Operating System	redhat	enterprise_linux_server	6.0	Yes
Operating System	redhat	enterprise_linux_workstation	6.0	Yes

References

http://article.gmane.org/gmane.linux.kernel/1105744 Broken Link ([email protected])
http://article.gmane.org/gmane.linux.kernel/1105888 Broken Link ([email protected])
http://article.gmane.org/gmane.linux.kernel/1106686 Broken Link ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/02/1 Mailing List, Patch, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/02/2 Mailing List, Patch ([email protected])
http://rhn.redhat.com/errata/RHSA-2012-0862.html Third Party Advisory ([email protected])
http://secunia.com/advisories/43522 Third Party Advisory ([email protected])
http://secunia.com/advisories/48115 Third Party Advisory ([email protected])
http://secunia.com/advisories/48410 Third Party Advisory ([email protected])
http://secunia.com/advisories/48898 Third Party Advisory ([email protected])
http://secunia.com/advisories/48964 Third Party Advisory ([email protected])
http://www.osvdb.org/71265 Broken Link ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=681578 Issue Tracking, Patch, Third Party Advisory ([email protected])
http://article.gmane.org/gmane.linux.kernel/1105744 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://article.gmane.org/gmane.linux.kernel/1105888 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://article.gmane.org/gmane.linux.kernel/1106686 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/02/1 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/02/2 Mailing List, Patch (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2012-0862.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/43522 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/48115 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/48410 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/48898 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/48964 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/71265 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=681578 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)