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Rewterz Threat Advisory – Multiple Vulnerabilities in Mozilla Firefox
May 22, 2019
Rewterz Threat Advisory – Amazon Linux Update for Tomcat8 Multiple Vulnerabilities
May 22, 2019

Rewterz Threat Advisory – CVE-2019-11815 – Linux Kernel “rds_tcp_kill_sock()” Use-After-Free Vulnerability

May 22, 2019

Severity

Medium

Analysis Summary

A use-after-free error related to the “rds_tcp_kill_sock()” function (net/rds/tcp.c) can be exploited to corrupt memory and subsequently execute arbitrary code.

Impact

Unauthorized System Access

Affected Vendors

Linux

Affected Products

  • Linux Kernel 4.4.x
  • Linux Kernel 4.9.x
  • Linux Kernel 4.14.x
  • Linux Kernel 4.19.x
  • Linux Kernel 5.0.x

Remediation

Update to a fixed version.

Versions 5.0.x:

Update to version 5.0.8 or later.

Versions 4.19.x:

Update to version 4.19.35 or later.

Versions 4.14.x:

Update to version 4.14.112 or later.

Versions 4.9.x:

Update to version 4.9.169 or later.

Versions 4.4.x:

Update to version 4.4.179 or later.

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