Vulnerability in Linux Kernel
CVE-2016-7117
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.236 (97.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.243 · newest: 0.236 · change: -0.007
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 16.04
- Debian Linux — versions 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
- KosukeShimofuji/CVE-2016-7117
- ARPSyndicate/cve-scores
- ARPSyndicate/cvemon
- R0B1NL1N/linux-kernel-exploitation
- Technoashofficial/kernel-exploitation-linux
- kdn111/linux-kernel-exploitation
- khanhdn111/linux-kernel-exploitation
- khanhdz-06/linux-kernel-exploitation
- khanhdz191/linux-kernel-exploitation
- khanhhdz/linux-kernel-exploitation
References
- rhn.redhat.com/errata/RHSA-2017-0216.html (vendor-advisory, Third Party Advisory)
- security-tracker.debian.org/tracker/CVE-2016-7117 (Third Party Advisory, Issue Tracking)
- source.android.com/security/bulletin/2016-10-01.html (Vendor Advisory)
- rhn.redhat.com/errata/RHSA-2017-0086.html (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2016-2962.html (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2017-0113.html (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2017-0091.html (vendor-advisory, Third Party Advisory)
- bugzilla.novell.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- rhn.redhat.com/errata/RHSA-2017-0031.html (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-7117?
- CVE-2016-7117 is a critical-severity vulnerability in Linux Kernel, classified under CWE-19. CVSS score: 9.8/10. Published 2016-10-10.
- How severe is CVE-2016-7117?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-7117 known to be exploited?
- 20 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.