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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.51% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 43.5% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-05-23 10:00Z10 YR AGO
- Last updated
- 2024-08-06 00:46Z2 YR AGO
- Reserved
- 2016-05-21
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- 61fde01eab1c3b7d0f9fc6e7cf6b26ac5b6783fe5b66f5e531e4416a903afe00
05 Affected products
06 References
- www.openwall.com[oss-security] 20160521 Re: CVE request: -- Linux kernel: Null pointer dereference in tipc_nl_publ_dumphttp://www.openwall.com/lists/oss-security/2016/05/21/2
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- www.ubuntu.comUSN-3017-1http://www.ubuntu.com/usn/USN-3017-1
- www.ubuntu.comUSN-3017-3http://www.ubuntu.com/usn/USN-3017-3
- www.ubuntu.comUSN-3017-2http://www.ubuntu.com/usn/USN-3017-2
- lists.opensuse.orgopenSUSE-SU-2016:1641http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
- www.ubuntu.comUSN-3016-2http://www.ubuntu.com/usn/USN-3016-2
- www.ubuntu.comUSN-3016-1http://www.ubuntu.com/usn/USN-3016-1
- github.comhttps://github.com/torvalds/linux/commit/45e093ae2830cd1264677d47ff9a95a71f5d9f9c
- git.kernel.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45e093ae2830cd1264677d47ff9a95a71f5d9f9c
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- www.ubuntu.comUSN-3016-3http://www.ubuntu.com/usn/USN-3016-3
- www.ubuntu.comUSN-3016-4http://www.ubuntu.com/usn/USN-3016-4
- lists.openwall.net[netdev] 20160514 BUG: net/tipc: NULL-ptr dereference in tipc_nl_publ_dumphttp://lists.openwall.net/netdev/2016/05/14/28
- www.ubuntu.comUSN-3020-1http://www.ubuntu.com/usn/USN-3020-1
07 Fixed in
Debian 12
- linux Fixed in 4.5.5-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 4.5.5-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 4.5.5-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- linux-lts-vivid Fixed in 3.19.0-64.72~14.04.1
- linux-lts-wily Fixed in 4.2.0-41.48~14.04.1
- linux-lts-xenial Fixed in 4.4.0-28.47~14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- linux Fixed in 4.4.0-28.47
- linux-raspi2 Fixed in 4.4.0-1016.22
- linux-snapdragon Fixed in 4.4.0-1019.22
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.