Homepage
About Snyk

Integer Overflow or Wraparound Affecting kernel-bootwrapper package, versions <0:3.10.0-693.5.2.el7

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID SNYK-RHEL7-KERNELBOOTWRAPPER-4726041
  • published 26 Jul 2021
  • disclosed 19 Jul 2017
Report a new vulnerability Found a mistake?

Introduced: 19 Jul 2017

CVE-2017-7542 Open this link in a new tab
CWE-190 Open this link in a new tab
CWE-835 Open this link in a new tab

How to fix?

Upgrade RHEL:7 kernel-bootwrapper to version 0:3.10.0-693.5.2.el7 or higher.
This issue was patched in RHSA-2017:2930.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-bootwrapper package and not the kernel-bootwrapper package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

The ip6_find_1stfragopt function in net/ipv6/output_core.c in the Linux kernel through 4.12.3 allows local users to cause a denial of service (integer overflow and infinite loop) by leveraging the ability to open a raw socket.