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

No affected versions have been published.

Timeline

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

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CVE-2011-1770: High severity, CVSS 7.5 | Vulnix