CVE-2016-6187 – The apparmor_setprocattr function in security/apparmor/lsm.c in the Linux

The apparmor_setprocattr function in security/apparmor/lsm.c in the Linux kernel before 4.6.5 does not validate the buffer size, which allows local users to gain privileges by triggering an AppArmor setprocattr hook.

 

Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6187

Reference (s):

• BID:91696
• URL: http://www.securityfocus.com/bid/91696
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=30a46a4647fd1df9cf52e43bf467f0d9265096ca
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.5
• https://bugzilla.redhat.com/show_bug.cgi?id=1354383