CVE-2016-4997
HIGH severity · CVSS 7.8 · CWE-264
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)6%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce683e5f9d045e5d67d1312a42b359cb2ab2a13cAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00060.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00061.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00027.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00048.htmlAdvisory