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01 Record

CVE-2011-1770

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

UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
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02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
4.36% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 90.9% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-16.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2011-06-24 20:00Z15 YR AGO
Last updated
2024-08-06 22:37Z2 YR AGO
Reserved
2011-04-19
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-191Integer Underflow (Wrap or Wraparound)Base
Data version
5.1
Document digest
6cd9a1becbd4380a326083e9401bb5ee4b27bb6f6e2e5b45de0b778df211aec4

05 Affected products

VendorProductVersionsPlatforms
fedoraprojectfedoraNot specified—
linuxlinux_kernelNot specified—
redhatenterprise_linuxNot specified—
redhatenterprise_mrgNot specified—

06 References