CVE-2011-4112
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 17, 2012
First seenMay 17, 2012
How to fix
Update
- linux linux_kernel3.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 3.1 | 3.1 |
| avaya 9608_firmware | 6.0 ≤ v ≤ 6.6.0 | — |
| avaya 9608g_firmware | 6.0 ≤ v ≤ 6.6.0 | — |
| avaya 9611g_firmware | 6.0 ≤ v ≤ 6.6.0 | — |
| avaya 9621g_firmware | 6.0 ≤ v ≤ 6.6.0 | — |
| avaya 9641g_firmware | 6.0 ≤ v ≤ 6.6.0 | — |
| avaya 9641gs_firmware | 6.0 ≤ v ≤ 6.6.0 | — |
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