CVE-2017-14106

Description

The tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel before 4.12 allows local users to cause a denial of service (__tcp_select_window divide-by-zero error and system crash) by triggering a disconnect within a certain tcp_recvmsg code path.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2017:3200 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html vendor advisory
https://access.redhat.com/errata/RHSA-2017:2918 vendor advisory
https://access.redhat.com/errata/RHSA-2017:2931 vendor advisory
http://www.securityfocus.com/bid/100878 vdb entry
http://www.debian.org/security/2017/dsa-3981 vendor advisory
https://access.redhat.com/errata/RHSA-2018:2172 vendor advisory
https://github.com/torvalds/linux/commit/499350a5a6e7512d9ed369ed63a4244b6536f4f8 patch third party advisory issue tracking
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=499350a5a6e7512d9ed369ed63a4244b6536f4f8 patch third party advisory issue tracking
https://www.mail-archive.com/netdev%40vger.kernel.org/msg186255.html
https://access.redhat.com/errata/RHSA-2017:2930 vendor advisory
http://www.securitytracker.com/id/1039549 vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-14106?
CVE-2017-14106 has been scored as a medium severity vulnerability.
How to fix CVE-2017-14106?
To fix CVE-2017-14106, 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-2017-14106 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-14106 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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