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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.52% probability · 42th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel · canonical/ubuntu linux · oracle/linux
- Source
- cve@mitre.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45e093ae2830cd1264677d47ff9a95a71f5d9f9cVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.htmlMailing List, Third Party Advisory
- http://lists.openwall.net/netdev/2016/05/14/28Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/21/2Mailing List, Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htmlThird Party Advisory
- http://www.ubuntu.com/usn/USN-3016-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3016-2Third Party Advisory
- http://www.ubuntu.com/usn/USN-3016-3Third Party Advisory
- http://www.ubuntu.com/usn/USN-3016-4Third Party Advisory
- http://www.ubuntu.com/usn/USN-3017-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3017-2Third Party Advisory
- http://www.ubuntu.com/usn/USN-3017-3Third Party Advisory
- http://www.ubuntu.com/usn/USN-3020-1Third Party Advisory
- https://github.com/torvalds/linux/commit/45e093ae2830cd1264677d47ff9a95a71f5d9f9cVendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=45e093ae2830cd1264677d47ff9a95a71f5d9f9cVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.htmlMailing List, Third Party Advisory
- http://lists.openwall.net/netdev/2016/05/14/28Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/21/2Mailing List, Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htmlThird Party Advisory
- http://www.ubuntu.com/usn/USN-3016-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3016-2Third Party Advisory
- http://www.ubuntu.com/usn/USN-3016-3Third Party Advisory
- http://www.ubuntu.com/usn/USN-3016-4Third Party Advisory
- http://www.ubuntu.com/usn/USN-3017-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3017-2Third Party Advisory
- http://www.ubuntu.com/usn/USN-3017-3Third Party Advisory
- http://www.ubuntu.com/usn/USN-3020-1Third Party Advisory
- https://github.com/torvalds/linux/commit/45e093ae2830cd1264677d47ff9a95a71f5d9f9cVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.