CVE-2021-3659

MEDIUM 5.5CVE-2021-3659 · Published 22/08/2022 · updated 17/06/2026

In short

CVE-2021-3659 is a MEDIUM (CVSS 5.5) vulnerability affecting virtualization host (redhat).
Chance of exploitation in the next 30 days (EPSS): 0.27%, higher than 19.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
virtualization host redhat	`= 4.0`	No fix yet

Description

A NULL pointer dereference flaw was found in the Linux kernel’s IEEE 802.15.4 wireless networking subsystem in the way the user closes the LR-WPAN connection. This flaw allows a local user to crash the system. The highest threat from this vulnerability is to system availability.

References

access.redhat.com/security/cve/CVE-2021-3659 · Third Party Advisory
bugzilla.redhat.com/show_bug.cgi · Issue Tracking
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit · Patch

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Package

Affected versions

Patched versions

virtualization host

redhat

= 4.0

No fix yet

More vulnerabilities in virtualization host

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