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Vulnerability details: VCID-htma-1pgz-uudn
Vulnerability ID VCID-htma-1pgz-uudn
Aliases CVE-2011-1083
Summary kernel: excessive in kernel CPU consumption when creating large nested epoll structures
Status Published
Exploitability 2.0
Weighted Severity 4.4
Risk 8.8
Affected and Fixed Packages Package Details
Weaknesses (1)
Reference id Reference type URL
http://article.gmane.org/gmane.linux.kernel/1105744
http://article.gmane.org/gmane.linux.kernel/1105888
http://article.gmane.org/gmane.linux.kernel/1106686
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
http://openwall.com/lists/oss-security/2011/03/02/1
http://openwall.com/lists/oss-security/2011/03/02/2
http://rhn.redhat.com/errata/RHSA-2012-0862.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-1083.json
https://api.first.org/data/v1/epss?cve=CVE-2011-1083
http://secunia.com/advisories/43522
http://secunia.com/advisories/48115
http://secunia.com/advisories/48410
http://secunia.com/advisories/48898
http://secunia.com/advisories/48964
http://www.osvdb.org/71265
681578 https://bugzilla.redhat.com/show_bug.cgi?id=681578
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:-:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:-:*:*
cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:vmware:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:vmware:*:*
cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:-:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:-:*:*
cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:vmware:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:vmware:*:*
CVE-2011-1082;OSVDB-73053 Exploit https://www.securityfocus.com/bid/46630/info
CVE-2011-1083 https://nvd.nist.gov/vuln/detail/CVE-2011-1083
CVE-2011-1083;OSVDB-71265 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/35403.c
RHSA-2012:0150 https://access.redhat.com/errata/RHSA-2012:0150
RHSA-2012:0862 https://access.redhat.com/errata/RHSA-2012:0862
RHSA-2012:1129 https://access.redhat.com/errata/RHSA-2012:1129
Data source Exploit-DB
Date added March 2, 2011
Description Linux Kernel 2.6.x - epoll Nested Structures Local Denial of Service
Ransomware campaign use Known
Source publication date March 2, 2011
Exploit type dos
Platform linux
Source update date Sept. 6, 2016
Source URL https://www.securityfocus.com/bid/46630/info
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2011-1083
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete

Exploit Prediction Scoring System (EPSS)
Percentile 0.35022
EPSS Score 0.00147
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T14:56:43.733345+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-1083.json 38.0.0