CVE-2021-3659

kernel: NULL pointer dereference in llsec_key_alloc() in net/mac802154/llsec.c

Published Aug 22, 2022 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-26954 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.
Ubuntu USN Ubuntu USN USN-6001-1 Linux kernel (AWS) vulnerabilities
Ubuntu USN Ubuntu USN USN-6013-1 Linux kernel (AWS) vulnerabilities
Ubuntu USN Ubuntu USN USN-6014-1 Linux kernel vulnerabilities
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