CVE-2011-1770

HIGH

Linux Kernel < 2.6.33.14 - Denial of Service via DCCP Feature Options Length Integer Underflow

Title source: llm
STIX 2.1

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.

References (10)

Core 10
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1025592
Patch, Third Party Advisory mailing-list x_refsource_mlist
http://marc.info/?l=linux-kernel&m=130468845209036&w=2
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/47769
Patch, Third Party Advisory mailing-list x_refsource_mlist
http://marc.info/?l=linux-kernel&m=130469305815140&w=2
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=703011
Third Party Advisory, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/44932
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/8286
Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.html
Patch, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.html

Scores

CVSS v3 7.5
EPSS 0.0436
EPSS Percentile 90.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-191
Status published
Products (3)
fedoraproject/fedora 14
fedoraproject/fedora 15
linux/linux_kernel < 2.6.33.14
Published Jun 24, 2011
Tracked Since Feb 18, 2026