CVE-2011-4112

5.5 MEDIUM
Published: May 17, 2012 Modified: April 29, 2026
View on NVD

Description

The net subsystem in the Linux kernel before 3.1 does not properly restrict use of the IFF_TX_SKB_SHARING flag, which allows local users to cause a denial of service (panic) by leveraging the CAP_NET_ADMIN capability to access /proc/net/pktgen/pgctrl, and then using the pktgen package in conjunction with a bridge device for a VLAN interface.

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CVSS v3.x Details

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://downloads.avaya.com/css/P8/documents/100156038
Source: secalert@redhat.com
Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=550fd08c2cebad61c548def135f67aba284c6162
Source: secalert@redhat.com
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/2011/11/21/4
Source: secalert@redhat.com
Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=751006
Source: secalert@redhat.com
Exploit Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/550fd08c2cebad61c548def135f67aba284c6162
Source: secalert@redhat.com
Patch Third Party Advisory
http://downloads.avaya.com/css/P8/documents/100156038
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=550fd08c2cebad61c548def135f67aba284c6162
Source: af854a3a-2127-422b-91ae-364da2661108
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/2011/11/21/4
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=751006
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/550fd08c2cebad61c548def135f67aba284c6162
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
0.1%
19th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

avaya linux