Vulnerability in Linux Kernel
CVE-2016-4951
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (41.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Linux Kernel
- Oracle Linux — versions 6
- Canonical Ubuntu Linux — versions 14.04, 15.10, 16.04
References
- www.openwall.com/lists/oss-security/2016/05/21/2 (mailing-list, Mailing List, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (Third Party Advisory)
- www.ubuntu.com/usn/USN-3017-1 (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-3017-3 (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-3017-2 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.ubuntu.com/usn/USN-3016-2 (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-3016-1 (vendor-advisory, Third Party Advisory)
- github.com/torvalds/linux/commit/45e093ae2830cd1264677d47ff9a95a71f5d9f9c (Vendor Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2016-4951?
- CVE-2016-4951 is a high-severity vulnerability in Linux Kernel. CVSS score: 7.8/10. Published 2016-05-23.
- How severe is CVE-2016-4951?
- High severity. CVSS v3 base score is 7.8 out of 10.