CVE-2016-4997
The compat IPT_SO_SET_REPLACE and IP6T_SO_SET_REPLACE setsockopt implementations in the netfilter subsystem in the Linux kernel before 4.6.3 allow local users to gain privileges or cause a denial of
02 Description
The compat IPT_SO_SET_REPLACE and IP6T_SO_SET_REPLACE setsockopt implementations in the netfilter subsystem in the Linux kernel before 4.6.3 allow local users to gain privileges or cause a denial of
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
- 5.67% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 92.8% 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
- Important. 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
- 2016-07-03 21:00Z10 YR AGO
- Last updated
- 2024-08-06 00:46Z2 YR AGO
- Reserved
- 2016-05-24
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 545c602ba77025b4758121359853fc5e5e2e72478e39a26992f0473352c2d2dd
05 Affected products
06 References
- lists.opensuse.orgSUSE-SU-2016:2180http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00053.html
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- lists.opensuse.orgSUSE-SU-2016:1709http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00060.html
- www.ubuntu.comUSN-3017-1http://www.ubuntu.com/usn/USN-3017-1
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
- lists.opensuse.orgSUSE-SU-2016:1985http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
- www.ubuntu.comUSN-3017-3http://www.ubuntu.com/usn/USN-3017-3
- rhn.redhat.comRHSA-2016:1847http://rhn.redhat.com/errata/RHSA-2016-1847.html
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1349722
- lists.opensuse.orgopenSUSE-SU-2016:2184http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
- www.ubuntu.comUSN-3018-2http://www.ubuntu.com/usn/USN-3018-2
- lists.opensuse.orgSUSE-SU-2016:2174http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00048.html
- www.ubuntu.comUSN-3017-2http://www.ubuntu.com/usn/USN-3017-2
- rhn.redhat.comRHSA-2016:1875http://rhn.redhat.com/errata/RHSA-2016-1875.html
- www.ubuntu.comUSN-3019-1http://www.ubuntu.com/usn/USN-3019-1
- lists.opensuse.orgSUSE-SU-2016:2018http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00027.html
- www.debian.orgDSA-3607http://www.debian.org/security/2016/dsa-3607
- www.ubuntu.comUSN-3016-2http://www.ubuntu.com/usn/USN-3016-2
- www.ubuntu.comUSN-3016-1http://www.ubuntu.com/usn/USN-3016-1
- www.openwall.com[oss-security] 20160624 Linux CVE-2016-4997 (local privilege escalation) and CVE-2016-4998 (out of bounds memory access)http://www.openwall.com/lists/oss-security/2016/06/24/5
- lists.opensuse.orgSUSE-SU-2016:2181http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00054.html
- lists.opensuse.orgSUSE-SU-2016:2178http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00051.html
- www.exploit-db.com40435https://www.exploit-db.com/exploits/40435/
- github.comhttps://github.com/torvalds/linux/commit/ce683e5f9d045e5d67d1312a42b359cb2ab2a13c
- www.ubuntu.comUSN-3018-1http://www.ubuntu.com/usn/USN-3018-1
- www.securitytracker.com1036171http://www.securitytracker.com/id/1036171
- www.exploit-db.com40489https://www.exploit-db.com/exploits/40489/
- h20566.www2.hpe.comhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05347541
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- lists.opensuse.orgSUSE-SU-2016:2177http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00050.html
- rhn.redhat.comRHSA-2016:1883http://rhn.redhat.com/errata/RHSA-2016-1883.html
- lists.opensuse.orgSUSE-SU-2016:2179http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00052.html
- lists.opensuse.orgSUSE-SU-2016:2105http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
- www.ubuntu.comUSN-3016-3http://www.ubuntu.com/usn/USN-3016-3
- lists.opensuse.orgSUSE-SU-2016:1710http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00061.html
- www.openwall.com[oss-security] 20160929 CVE request - Linux kernel through 4.6.2 allows escalade privileges via IP6T_SO_SET_REPLACE compat setsockopt callhttp://www.openwall.com/lists/oss-security/2016/09/29/10
- www.ubuntu.comUSN-3016-4http://www.ubuntu.com/usn/USN-3016-4
- www.securityfocus.com91451http://www.securityfocus.com/bid/91451
- www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3
- git.kernel.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce683e5f9d045e5d67d1312a42b359cb2ab2a13c
- www.ubuntu.comUSN-3020-1http://www.ubuntu.com/usn/USN-3020-1
- github.comhttps://github.com/nccgroup/TriforceLinuxSyscallFuzzer/tree/master/crash_reports/report_compatIpt
- lists.opensuse.orgSUSE-SU-2016:1937http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
07 Fixed in
Debian 12
- linux Fixed in 4.6.2-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 4.6.2-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 4.6.2-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- linux Fixed in 3.13.0-91.138
- linux-lts-utopic Fixed in 3.16.0-76.98~14.04.1
- 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.