CVE-2016-7117
CRITICAL severity · CVSS 9.8 · CWE-19
9.8CVSS CRITICAL
Summary
Use-after-free vulnerability in the __sys_recvmmsg function in net/socket.c in the Linux kernel before 4.5.2 allows remote attackers to execute arbitrary code via vectors involving a recvmmsg system call that is mishandled during error processing.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)24%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b88a68f26a75e4fded796f1a49c40f82234b7d ↗
Additional information
- NVD record
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34b88a68f26a75e4fded796f1a49c40f82234b7dPatch
- http://rhn.redhat.com/errata/RHSA-2016-2962.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2017-0031.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2017-0036.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2017-0065.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2017-0086.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2017-0091.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2017-0113.htmlAdvisory