Divide By Zero Affecting kernel-rt-trace-devel package, versions <0:3.10.0-693.5.2.rt56.626.el7
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Test your applications- Snyk ID SNYK-CENTOS7-KERNELRTTRACEDEVEL-2093547
- published 26 Jul 2021
- disclosed 1 Sep 2017
Introduced: 1 Sep 2017
CVE-2017-14106 Open this link in a new tabHow to fix?
Upgrade Centos:7 kernel-rt-trace-devel to version 0:3.10.0-693.5.2.rt56.626.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-trace-devel package and not the kernel-rt-trace-devel package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
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.
References
- http://www.securityfocus.com/bid/100878
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=499350a5a6e7512d9ed369ed63a4244b6536f4f8
- https://github.com/torvalds/linux/commit/499350a5a6e7512d9ed369ed63a4244b6536f4f8
- https://www.mail-archive.com/netdev@vger.kernel.org/msg186255.html
- https://access.redhat.com/security/cve/CVE-2017-14106
- http://www.debian.org/security/2017/dsa-3981
- https://access.redhat.com/errata/RHSA-2017:2931
- http://www.securitytracker.com/id/1039549
- http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
- https://www.mail-archive.com/netdev%40vger.kernel.org/msg186255.html