CVE-2022-1199 Null dereference in Kernel

What is CVE-2022-1199?

CVE-2022-1199 is a high-severity vulnerability in Linux kernel, published on 29 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-476, CWE-416

Which versions are affected by CVE-2022-1199?

It affects 8 products.

Products include Linux kernel, Netapp Active Iq Unified Manager, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware, Netapp H500s Firmware and 2 more.

How do I fix CVE-2022-1199?

Apply the vendor's patch.

Is CVE-2022-1199 being exploited?

There is no known exploitation of CVE-2022-1199 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-10792, DEBIAN-CVE-2022-1199, GHSA-rc6f-9g56-mr6q, UBUNTU-CVE-2022-1199.