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Vulnerability Details : 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.
Publish Date : 2011-04-04 Last Update Date : 2020-08-12
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- CVSS Scores & Vulnerability Types

CVSS Score
4.9
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 400

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
4.9
AV:L/AC:L/Au:N/C:N/I:N/A:C 2011-03-02 2011-02-25
If you are a vendor and you have additional data which can be automatically imported into our database, please contact admin @ cvedetails.com

- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2012-0862 -- Oracle Linux 6 kernel security, bug fix and enhancement update (moderate) oval:org.mitre.oval:def:27614 unix
DEPRECATED: ELSA-2012-0150 -- Oracle Linux 5.8 kernel security and bug update (moderate) oval:org.mitre.oval:def:27798 unix
ELSA-2012-0150-1 -- Oracle Linux 5.8 kernel security and bug update (moderate) oval:org.mitre.oval:def:27877 unix
ELSA-2012-2026 -- Unbreakable Enterprise kernel Security update (important) oval:org.mitre.oval:def:27735 unix
ELSA-2012:0150: Oracle Linux 5.x.8 kernel update (Moderate) oval:org.mitre.oval:def:22915 unix
ELSA-2012:0862: Red Hat Enterprise Linux 6 kernel security, bug fix and enhancement update (Moderate) oval:org.mitre.oval:def:23707 unix
RHSA-2012:0150: Red Hat Enterprise Linux 5.8 kernel update (Moderate) oval:org.mitre.oval:def:21343 unix
RHSA-2012:0150: Red Hat Enterprise Linux 5.8 kernel update (Moderate) oval:com.redhat.rhsa:def:20120150 unix
RHSA-2012:0862: Red Hat Enterprise Linux 6 kernel security, bug fix and enhancement update (Moderate) oval:org.mitre.oval:def:21454 unix
RHSA-2012:0862: Red Hat Enterprise Linux 6 kernel security, bug fix and enhancement update (Moderate) oval:com.redhat.rhsa:def:20120862 unix
SUSE-SU-2014:0287-1 -- Security update for Linux kernel oval:org.mitre.oval:def:24665 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2011-1083

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
2 OS Redhat Enterprise Linux Desktop 6.0 * * * Version Details Vulnerabilities
3 OS Redhat Enterprise Linux Server 6.0 * * * Version Details Vulnerabilities
4 OS Redhat Enterprise Linux Workstation 6.0 * * * Version Details Vulnerabilities
5 OS Suse Linux Enterprise Desktop 11 SP1 * * Version Details Vulnerabilities
6 OS Suse Linux Enterprise Desktop 11 SP2 * * Version Details Vulnerabilities
7 OS Suse Linux Enterprise Server 11 SP2 * * Version Details Vulnerabilities
8 OS Suse Linux Enterprise Server 11 SP1 * * Version Details Vulnerabilities
9 OS Suse Linux Enterprise Server 11 SP1 * * Version Details Vulnerabilities
10 OS Suse Linux Enterprise Server 11 SP2 * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1
Redhat Enterprise Linux Desktop 1
Redhat Enterprise Linux Server 1
Redhat Enterprise Linux Workstation 1
Suse Linux Enterprise Desktop 2
Suse Linux Enterprise Server 4

- References For CVE-2011-1083

https://bugzilla.redhat.com/show_bug.cgi?id=681578 CONFIRM
http://secunia.com/advisories/43522
SECUNIA 43522
http://www.osvdb.org/71265
OSVDB 71265
http://article.gmane.org/gmane.linux.kernel/1105888
MLIST [linux-kernel] 20110226 Re: [PATCH] optimize epoll loop detection
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
SUSE SUSE-SU-2012:0616
http://secunia.com/advisories/48898
SECUNIA 48898
http://secunia.com/advisories/48964
SECUNIA 48964
http://openwall.com/lists/oss-security/2011/03/02/2
MLIST [oss-security] 20110302 Re: CVE request: kernel: Multiple DoS issues in epoll
http://rhn.redhat.com/errata/RHSA-2012-0862.html
REDHAT RHSA-2012:0862
http://openwall.com/lists/oss-security/2011/03/02/1
MLIST [oss-security] 20110301 CVE request: kernel: Multiple DoS issues in epoll
http://article.gmane.org/gmane.linux.kernel/1106686
MLIST [linux-kernel] 20110228 Re: [PATCH] optimize epoll loop detection
http://article.gmane.org/gmane.linux.kernel/1105744
MLIST [linux-kernel] 20110225 [PATCH] optimize epoll loop detection
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
SUSE SUSE-SU-2012:0554
http://secunia.com/advisories/48410
SECUNIA 48410
http://secunia.com/advisories/48115
SECUNIA 48115

- Metasploit Modules Related To CVE-2011-1083

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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