Executive Summary

CVE‑2022‑1199 is a Linux kernel flaw that lets a local attacker crash the kernel by sending specially crafted amateur radio packets from user space. The vulnerability triggers a null‑pointer dereference and a use‑after‑free, causing a denial‑of‑service. The flaw is not yet listed in the CISA KEV database.

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Authoritative CVE Metadata - CVSS Base Score: 7.5 (HIGH) - Published: 2022-08-29T15:15:10.527 - Last Modified: 2026-09-11T16:18:07.107

Original Description: 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.

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