CVE-2022-1199

A flaw was found in the Linux kernel. This flaw allows an attacker to crash the Linux kernel by simulating amateur radio from the user space, resulting in a null-ptr-deref vulnerability and a use-after-free vulnerability.

What this means for your business

It affects Linux Kernel. It matters if your company, or a supplier that handles your data, runs it.
An attacker can use it remotely, over a network, without a login, and without anyone at your company clicking anything.
FIRST's prediction model gives it a 2% chance of attack attempts being seen in the next 30 days, ranking above 79% of all known flaws.

What to do

1Check whether your company or your suppliers run Linux Kernel, and which version. The affected versions are listed further down this page.
2If you do, apply the vendor's fix. A patch or vendor advisory has been published.

Not sure if your company is exposed?

Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.

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Scoring

CVSS: 7.5 (v3.1)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-416
Assigned by: secalert@redhat.com

Dates

Published: 2022-08-29
Last modified: 2026-09-11
Sources: NVD

Affected products

Linux Linux Kernel- 4.14.277, 4.15 - 4.19.240, 4.20 - 5.4.190, 5.5 - 5.10.112, 5.11 - 5.15.35
Redhat Enterprise Linux6.0
Netapp Active Iq Unified Managerall versions
Netapp H300s Firmwareall versions
Netapp H300sall versions
Netapp H500s Firmwareall versions
Netapp H500sall versions
Netapp H700s Firmwareall versions
Netapp H700sall versions
Netapp H410s Firmwareall versions
Netapp H410sall versions
Netapp H410c Firmwareall versions

As listed in the NVD configuration data. Not a statement about your estate.