CVE-2012-2136

HighCVSS 7.2/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 7.2/10AV:L/AC:L/Au:N/C:C/I:C/A:C

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: Aug 9, 2012
Last modified: Jun 16, 2026
NVD status: Modified

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