CVE-2011-3188

9.1 CRITICAL
Published: May 24, 2012 Modified: April 29, 2026
View on NVD

Description

The (1) IPv4 and (2) IPv6 implementations in the Linux kernel before 3.1 use a modified MD4 algorithm to generate sequence numbers and Fragment Identification values, which makes it easier for remote attackers to cause a denial of service (disrupted networking) or hijack network sessions by predicting these values and sending crafted packets.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://marc.info/?l=bugtraq&m=139447903326211&w=2
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
Source: secalert@redhat.com
Mailing List Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2011/08/23/2
Source: secalert@redhat.com
Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=732658
Source: secalert@redhat.com
Issue Tracking Patch Third Party Advisory
http://marc.info/?l=bugtraq&m=139447903326211&w=2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2011/08/23/2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=732658
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/6e5714eaf77d79ae1c8b47e3e040ff5411b717ec
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://github.com/torvalds/linux/commit/bc0b96b54a21246e377122d54569eef71cec535f
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.1 / 10.0
EPSS (Exploit Probability)
4.3%
89th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

linux redhat f5