The tipc_nl_publ_dump function in net/tipc/socket.c in the Linux kernel through 4.6 does…
Priority LOW 35Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
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.
Why it matters now
EPSS 0.00515 44th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 3.19 to before 4.1.28; 4.2 to before 4.4.14; 4.5 to before 4.6.3 | Vulnerable | Linux |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | 14.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* | 15.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 16.04 | Vulnerable | Canonical |
| cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:* | 6 | Vulnerable | Oracle |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.19 to before 4.1.28; 4.2 to before 4.4.14; 4.5 to before 4.6.3 Vulnerable ·Linux
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Versions 15.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
- cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:* Versions 6 Vulnerable ·Oracle
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise MRG 2
Timeline
- 2026-10-02 Threatist record created from CVE-2016-4951
- 2026-10-03 Alias added: GHSA-6wx6-p39m-8v66
References
Advisory 14
- [oss-security] 20160521 Re: CVE request: -- Linux kernel: Null pointer dereference in tipc_nl_publ_dump
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- USN-3017-1
- USN-3017-3
- USN-3017-2
- openSUSE-SU-2016:1641
- USN-3016-2
- USN-3016-1
- https://github.com/torvalds/linux/commit/45e093ae2830cd1264677d47ff9a95a71f5d9f9c
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45e093ae2830cd1264677d47ff9a95a71f5d9f9c
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- USN-3016-3
- USN-3016-4
- USN-3020-1
Sources
- CVE-2016-4951 · CVE Program
- CVE-2016-4951 · NVD
- FIRST EPSS
- GHSA-6wx6-p39m-8v66 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-4951 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences