CVE-2016-4951 Information

Description

The tipc_nl_publ_dump function in net/tipc/socket.c in the Linux kernel through 4.6 does not verify socket existence which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a dumpit operation.

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=45e093ae2830cd1264677d47ff9a95a71f5d9f9c http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html http://lists.openwall.net/netdev/2016/05/14/28 http://www.openwall.com/lists/oss-security/2016/05/21/2 http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html http://www.ubuntu.com/usn/USN-3016-1 http://www.ubuntu.com/usn/USN-3016-2 http://www.ubuntu.com/usn/USN-3016-3 http://www.ubuntu.com/usn/USN-3016-4 http://www.ubuntu.com/usn/USN-3017-1 http://www.ubuntu.com/usn/USN-3017-2 http://www.ubuntu.com/usn/USN-3017-3 http://www.ubuntu.com/usn/USN-3020-1 https://github.com/torvalds/linux/commit/45e093ae2830cd1264677d47ff9a95a71f5d9f9c

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