CVE-2012-2136
High
Description
The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device.
SeverityHigh
CVSS7.2
Exploit probability—
Product
Linux Kernel
PublishedAug 9, 2012
First seenAug 9, 2012
How to fix
Update
- linux linux_kernel3.0.37, 3.2.23, 3.4.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 3.0.37, 3.1 ≤ v < 3.2.23, 3.3 ≤ v < 3.4.5 | 3.0.37, 3.2.23, 3.4.5 |
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