CVE-2016-8645

Name: CVE-2016-8645
Creator: NVD / NIST
Published: 2016-11-28T03:59:07.767+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.46%

Last modified Jun 17, 2026

CVE-2016-8645 is a vulnerability of currently unknown severity. The TCP stack in the Linux kernel before 4.8.10 mishandles skb truncation, which allows local users to cause a denial of service (system crash) via a crafted application that makes sendto system calls, related to net/ipv4/tcp_ipv4.c and net/ipv6/tcp_ipv6.c.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

The TCP stack in the Linux kernel before 4.8.10 mishandles skb truncation, which allows local users to cause a denial of service (system crash) via a crafted application that makes sendto system calls, related to net/ipv4/tcp_ipv4.c and net/ipv6/tcp_ipv6.c.

Metrics

EPSS Probability

0.46%

36.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 4.8.9

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac6e780070e30e4c35bd395acfe9191e6268bdd3Issue Tracking, Patch, Vendor Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.10Release Notes
http://www.openwall.com/lists/oss-security/2016/11/11/3Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/30/3
http://www.securityfocus.com/bid/94264Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037285
https://access.redhat.com/errata/RHSA-2017:1842
https://access.redhat.com/errata/RHSA-2017:2077
https://access.redhat.com/errata/RHSA-2017:2669
https://bugzilla.redhat.com/show_bug.cgi?id=1393904Issue Tracking
https://github.com/torvalds/linux/commit/ac6e780070e30e4c35bd395acfe9191e6268bdd3Issue Tracking, Patch, Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac6e780070e30e4c35bd395acfe9191e6268bdd3Issue Tracking, Patch, Vendor Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.10Release Notes
http://www.openwall.com/lists/oss-security/2016/11/11/3Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/30/3
http://www.securityfocus.com/bid/94264Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037285
https://access.redhat.com/errata/RHSA-2017:1842
https://access.redhat.com/errata/RHSA-2017:2077
https://access.redhat.com/errata/RHSA-2017:2669
https://bugzilla.redhat.com/show_bug.cgi?id=1393904Issue Tracking
https://github.com/torvalds/linux/commit/ac6e780070e30e4c35bd395acfe9191e6268bdd3Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Nov 28, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-8645?

How severe is CVE-2016-8645?

Severity scoring for CVE-2016-8645 is pending analysis. The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2016-8645?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-8645?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST