Vulnerability CVE-2016-4951
Published: 2016-05-23

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.

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Oracle -> Linux 
Linux -> Linux kernel 
Canonical -> Ubuntu linux 

 References:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45e093ae2830cd1264677d47ff9a95a71f5d9f9c
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
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