CVE-2016-4951
HIGH severity · CVSS 7.8
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://lists.openwall.net/netdev/2016/05/14/28 ↗
Additional information
- NVD record
- http://lists.openwall.net/netdev/2016/05/14/28Patch
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45e093ae2830cd1264677d47ff9a95a71f5d9f9cAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.htmlAdvisory
- http://www.openwall.com/lists/oss-security/2016/05/21/2Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlAdvisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htmlAdvisory
- http://www.ubuntu.com/usn/USN-3016-1Advisory
- http://www.ubuntu.com/usn/USN-3016-2Advisory