CVE-2017-14106: Divide by Zero
First published: Thu Aug 31 2017(Updated: )
Divide-by-zero vulnerability was found in __tcp_select_window function which can result into kernel panic causing local denial-of-service if panic_on_oops is enabled. References: <a href="http://seclists.org/oss-sec/2017/q3/389">http://seclists.org/oss-sec/2017/q3/389</a> <a href="https://marc.info/?l=linux-netdev&m=150415901823078">https://marc.info/?l=linux-netdev&m=150415901823078</a> <a href="https://www.mail-archive.com/netdev@vger.kernel.org/msg186255.html">https://www.mail-archive.com/netdev@vger.kernel.org/msg186255.html</a> <a href="https://groups.google.com/forum/#!topic/syzkaller/e4SrsEBEziQ">https://groups.google.com/forum/#!topic/syzkaller/e4SrsEBEziQ</a> Upstream patch: <a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=499350a5a6e7512d9ed369ed63a4244b6536f4f8">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=499350a5a6e7512d9ed369ed63a4244b6536f4f8</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <=4.11.12 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- 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@vger.kernel.org/msg186255.html
- https://launchpad.net/bugs/cve/CVE-2017-14106
- http://seclists.org/oss-sec/2017/q3/389
- https://marc.info/?l=linux-netdev&m=150415901823078
- https://groups.google.com/forum/#!topic/syzkaller/e4SrsEBEziQ
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=499350a5a6e7512d9ed369ed63a4244b6536f4f8
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1487703
- https://bugzilla.redhat.com/show_bug.cgi?id=1487295
- https://www.mail-archive.com/netdev%40vger.kernel.org/msg186255.html
- https://git.kernel.org/linus/499350a5a6e7512d9ed369ed63a4244b6536f4f8
- https://security-tracker.debian.org/tracker/CVE-2017-14106
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14106
- https://nvd.nist.gov/vuln/detail/CVE-2017-14106
- https://ubuntu.com/security/CVE-2017-14106
Frequently Asked Questions
What is CVE-2017-14106?
CVE-2017-14106 is a vulnerability that allows local users to cause a denial of service by triggering a disconnect within a certain tcp_recvmsg code path.
Which Linux kernel versions are affected by CVE-2017-14106?
Linux kernel versions before 4.12 are affected by CVE-2017-14106.
What is the severity of CVE-2017-14106?
CVE-2017-14106 has a medium severity with a CVSS score of 4.
How can I fix CVE-2017-14106?
To fix CVE-2017-14106, update your Linux kernel to version 4.12 or later.
Where can I find more information about CVE-2017-14106?
You can find more information about CVE-2017-14106 at the following references: [1] [2] [3].
- collector/nvd-index
- collector/launchpad-cve
- source/Launchpad
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2017-14106
- agent/type
- agent/first-publish-date
- agent/author
- agent/severity
- agent/weakness
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/remedy
- collector/usn-cve
- source/Ubuntu
- agent/last-modified-date
- agent/description
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/tags
- agent/event
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- agent/trending
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/4.11.12
- package-manager/debian