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CVE-2012-3520

Description

The Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a crafted message, as demonstrated by a message to (1) Avahi or (2) NetworkManager.

POC

Reference

- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

- https://bugzilla.redhat.com/show_bug.cgi?id=850449

- https://github.com/torvalds/linux/commit/e0e3cea46d31d23dc40df0a49a7a2c04fe8edfea

Github

No PoCs found on GitHub currently.