CVE-2021-3659
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedAug 22, 2022
First seenAug 22, 2022
Weakness typeCWE-252CWE-252
How to fix
Update
- linux linux_kernel5.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.12 | 5.12 |
| fedoraproject fedora | 34 | — |
| redhat enterprise_linux | 7.0, 8.0 | — |
| redhat enterprise_linux_for_ibm_z_systems | 8.0 | — |
| redhat enterprise_linux_for_ibm_z_systems_eus | 8.6 | — |
| redhat enterprise_linux_for_power_little_endian_eus | 8.6 | — |
| redhat enterprise_linux_for_real_time | 8.0 | — |
| redhat enterprise_linux_for_real_time_for_nfv | 8.0 | — |
| redhat enterprise_linux_for_real_time_for_nfv_tus | 8.6 | — |
| redhat enterprise_linux_for_real_time_tus | 8.6 | — |
| redhat enterprise_linux_server_aus | 8.6 | — |
| redhat enterprise_linux_server_eus | 8.6 | — |
| redhat enterprise_linux_server_tus | 8.6 | — |
| redhat codeready_linux_builder | No range specified | — |
| redhat virtualization_host | 4.0 | — |
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