Use After Free Affecting kernel-tools package, versions <0:3.10.0-957.80.1.el7


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.03% (8th 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 IDSNYK-RHEL7-KERNELTOOLS-4906597
  • published26 Jul 2021
  • disclosed30 Jan 2020

Introduced: 30 Jan 2020

CVE-2020-8648  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:7 kernel-tools to version 0:3.10.0-957.80.1.el7 or higher.
This issue was patched in RHSA-2021:3320.

NVD Description

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

There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.

CVSS Base Scores

version 3.1