Vulnerability in Linux Kernel
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 service (memory corruption) by leveraging in-container root access to provide a crafted offset value that triggers an unintended decrement.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.057 (92.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.057 · newest: 0.057 · change: 0.000
Affected products
- Linux Kernel
- Novell SUSE Linux Enterprise Desktop — versions 12.0
- Novell SUSE Linux Enterprise Live Patching — versions 12.0
- Novell SUSE Linux Enterprise Module For Public Cloud — versions 12.0
- Novell SUSE Linux Enterprise Real Time Extension — versions 12.0
- Novell SUSE Linux Enterprise Server — versions 12.0
- Novell SUSE Linux Enterprise Software Development Kit — versions 12.0
- Novell SUSE Linux Enterprise Workstation Extension — versions 12.0
- Oracle Linux — versions 7
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00053.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-06/msg00060.html (vendor-advisory, Third Party Advisory)
- www.ubuntu.com/usn/USN-3017-1 (vendor-advisory, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html (Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.ubuntu.com/usn/USN-3017-3 (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2016-1847.html (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4997?
- CVE-2016-4997 is a high-severity vulnerability in Linux Kernel, classified under CWE-264. CVSS score: 7.8/10. Published 2016-07-03.
- How severe is CVE-2016-4997?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2016-4997 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.