CVE-2011-4112

MediumCVSS 5.5/10Last modified Jun 16, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

No affected versions have been published.

Timeline

Published
May 17, 2012
Last modified
Jun 16, 2026
NVD status
Modified

Related CVEs from 2011

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CVE-2011-4112: Medium severity, CVSS 5.5 | Vulnix