CVE-2016-6187 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=30a46a4647fd1df9cf52e43bf467f0d9265096ca http://marc.info/?l=linux-kernel&m=146793642811929&w=2 http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.5 http://www.openwall.com/lists/oss-security/2016/07/09/2 http://www.securityfocus.com/bid/91696 https://bugzilla.redhat.com/show_bug.cgi?id=1354383 https://github.com/torvalds/linux/commit/30a46a4647fd1df9cf52e43bf467f0d9265096ca

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8