high7.8Public exploit code
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 …
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- Linux Kernel 4.6.3 (x86) - 'Netfilter' Local Privilege Escalation (Metasploit)2016-09-27 · local · linux_x86 · Verified
- Linux Kernel 4.6.2 (Ubuntu 16.04.1) - 'IP6T_SO_SET_REPLACE' Local Privilege Escalation2016-10-10 · local · linux
Impact
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 service (memory corruption) by leveraging in-container root access to provide a crafted offset value that triggers an unintended decrement.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 2.6.17 before 3.2.80 from 3.3 before 3.10.103 from 3.11 before 3.12.62 from 3.13 before 3.14.73 from 3.15 before 3.16.37 from 3.17 before 3.18.37 |
| Canonical | Ubuntu Linux | Versions 12.04, 14.04, 15.10, 16.04 |
| Novell | Suse Linux Enterprise Software Development Kit | Version 12.0 |
| Novell | Suse Linux Enterprise Desktop | Version 12.0 |
| Novell | Suse Linux Enterprise Live Patching | Version 12.0 |
| Novell | Suse Linux Enterprise Module For Public Cloud | Version 12.0 |
| Novell | Suse Linux Enterprise Real Time Extension | Version 12.0 |
| Novell | Suse Linux Enterprise Server | Version 12.0 |
| Novell | Suse Linux Enterprise Workstation Extension | Version 12.0 |
| Oracle | Linux | Version 7 |
| Debian | Debian Linux | Version 8.0 |
Weakness classification
References
- NVD record
- CVE.org record
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce683e5f9d045e5d67d1312a42b359cb2ab2a13c
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00060.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00061.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00027.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00048.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00050.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00051.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00053.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00054.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
- http://rhn.redhat.com/errata/RHSA-2016-1847.html
- http://rhn.redhat.com/errata/RHSA-2016-1875.html
- http://rhn.redhat.com/errata/RHSA-2016-1883.html
- http://www.debian.org/security/2016/dsa-3607
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3
- http://www.openwall.com/lists/oss-security/2016/06/24/5
- http://www.openwall.com/lists/oss-security/2016/09/29/10
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- http://www.securityfocus.com/bid/91451