<p>Upgrade <code>RHEL:8</code> <code>kernel-debug</code> to version 0:4.18.0-372.75.1.el8_6 or higher.<br>This issue was patched in <code>RHSA-2023:5627</code>.</p>

NULL Pointer Dereference Affecting kernel-debug package, versions <0:4.18.0-372.75.1.el8_6

Threat Intelligence

0.06% (26^th percentile)

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Snyk ID SNYK-RHEL8-KERNELDEBUG-5958507
published 1 Aug 2022
disclosed 10 Feb 2020

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Introduced: 10 Feb 2020

CVE-2020-36558 Open this link in a new tab CWE-476 Open this link in a new tab

How to fix?

Upgrade RHEL:8 kernel-debug to version 0:4.18.0-372.75.1.el8_6 or higher.
This issue was patched in RHSA-2023:5627.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug package and not the kernel-debug package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A race condition in the Linux kernel before 5.5.7 involving VT_RESIZEX could lead to a NULL pointer dereference and general protection fault.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Local
Attack Complexity (AC)

High
Privileges Required (PR)

None
User Interaction (UI)

None

Scope (S)

Unchanged

Confidentiality (C)

None
Integrity (I)

None
Availability (A)

High

NULL Pointer Dereference Affecting kernel-debug package, versions <0:4.18.0-372.75.1.el8_6

Severity

Based on Red Hat Enterprise Linux security rating