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redhat/kernel-rtNull Pointer Dereference

Risk 33
Severity
5.5
Null Pointer Dereference
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

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Remedy

To mitigate this issue, prevent the module mac802154 from being loaded. Please see https://access.redhat.com/solutions/41278 for information on how to blacklist a kernel module to prevent it from loading automatically.
First published (updated )
CVE-2021-3659

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