CVE-2016-8645

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2016/11/30/3 mailing list
https://access.redhat.com/errata/RHSA-2017:2669 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1393904 issue tracking
http://www.securityfocus.com/bid/94264 vdb entry third party advisory
http://www.securitytracker.com/id/1037285 vdb entry
https://access.redhat.com/errata/RHSA-2017:2077 vendor advisory
https://access.redhat.com/errata/RHSA-2017:1842 vendor advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.10 release notes
http://www.openwall.com/lists/oss-security/2016/11/11/3 third party advisory mailing list
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac6e780070e30e4c35bd395acfe9191e6268bdd3 issue tracking patch vendor advisory
https://github.com/torvalds/linux/commit/ac6e780070e30e4c35bd395acfe9191e6268bdd3 issue tracking third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2016-8645?
CVE-2016-8645 has been scored as a medium severity vulnerability.
How to fix CVE-2016-8645?
To fix CVE-2016-8645, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-8645 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-8645 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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