CVE-2016-4485 Information

Description

The llc_cmsg_rcv function in net/llc/af_llc.c in the Linux kernel before 4.5.5 does not initialize a certain data structure which allows attackers to obtain sensitive information from kernel stack memory by reading a message.

CVSS Vector

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

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b8670c09f37bdf2847cc44f36511a53afc6161fd http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html http://www.debian.org/security/2016/dsa-3607 http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5 http://www.openwall.com/lists/oss-security/2016/05/04/26 http://www.securityfocus.com/bid/90015 http://www.ubuntu.com/usn/USN-2989-1 http://www.ubuntu.com/usn/USN-2996-1 http://www.ubuntu.com/usn/USN-2997-1 http://www.ubuntu.com/usn/USN-2998-1 http://www.ubuntu.com/usn/USN-3000-1 http://www.ubuntu.com/usn/USN-3001-1 http://www.ubuntu.com/usn/USN-3002-1 http://www.ubuntu.com/usn/USN-3003-1 http://www.ubuntu.com/usn/USN-3004-1 http://www.ubuntu.com/usn/USN-3005-1 http://www.ubuntu.com/usn/USN-3006-1 http://www.ubuntu.com/usn/USN-3007-1 https://bugzilla.redhat.com/show_bug.cgi?id=1333309 https://github.com/torvalds/linux/commit/b8670c09f37bdf2847cc44f36511a53afc6161fd

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5