Divide By Zero Affecting kernel-uek-devel package, versions <0:3.8.13-118.20.3.el7uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDEVEL-2522454
  • published10 Apr 2022
  • disclosed1 Sept 2017

Introduced: 1 Sep 2017

CVE-2017-14106  (opens in a new tab)
CWE-369  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-devel to version 0:3.8.13-118.20.3.el7uek or higher.
This issue was patched in ELSA-2018-4040.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-devel package and not the kernel-uek-devel package as distributed by Oracle. See How to fix? for Oracle: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.