CVE-2017-14106

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-09-01 · updated 2026-06-17
Weakness: CWE-369

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.

Affected products

Linux kernel: through 4.11.12

References

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

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