CVE-2011-1770

HighCVSS 7.5/10Last modified Jun 16, 2026

Description

Integer underflow in the dccp_parse_options function (net/dccp/options.c) in the Linux kernel before 2.6.33.14 allows remote attackers to cause a denial of service via a Datagram Congestion Control Protocol (DCCP) packet with an invalid feature options length, which triggers a buffer over-read.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-191

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.htmlPatch, Third Party Advisory
http://marc.info/?l=linux-kernel&m=130468845209036&w=2Patch, Third Party Advisory
http://marc.info/?l=linux-kernel&m=130469305815140&w=2Patch, Third Party Advisory
http://secunia.com/advisories/44932Third Party Advisory, Vendor Advisory
http://securityreason.com/securityalert/8286Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/longterm/v2.6.33/ChangeLog-2.6.33.14Release Notes, Vendor Advisory
http://www.securityfocus.com/bid/47769Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1025592Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=703011Issue Tracking, Patch, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.htmlPatch, Third Party Advisory
http://marc.info/?l=linux-kernel&m=130468845209036&w=2Patch, Third Party Advisory
http://marc.info/?l=linux-kernel&m=130469305815140&w=2Patch, Third Party Advisory
http://secunia.com/advisories/44932Third Party Advisory, Vendor Advisory
http://securityreason.com/securityalert/8286Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/longterm/v2.6.33/ChangeLog-2.6.33.14Release Notes, Vendor Advisory
http://www.securityfocus.com/bid/47769Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1025592Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=703011Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Jun 24, 2011
Last modified: Jun 16, 2026
NVD status: Modified

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