CVE-2021-3659

medium
Published 2021-11-09 Β· Modified 2021-11-09
CVSS v3
β€”
CVSS v4 NEW
β€”
not yet in upstream
VIR risk
5.5

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.

Predictions

Exploit likelihood
20%
Patch ETA
β€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or β€” if you've already worked around this in production β€” publish your fix to the community-verified tier.

✚ Propose a mitigation on Community β†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

suse SUSE Affected 1 release
VersionStatusFixed in
β€” Affected β€”
almalinux AlmaLinux Fixed 1 release
VersionStatusFixed in
8 Fixed kernel-tools-libs-devel-4.18.0-348.el8.x86_64.rpm
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 5.10.38-1
sid Fixed 5.10.38-1
forky Fixed 5.10.38-1
bullseye Fixed 5.10.38-1
bookworm Fixed 5.10.38-1
redhat Red Hat Fixed 1 release
VersionStatusFixed in
8 Fixed β€”

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.