What is CVE-2022-1199?

CVE-2022-1199 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10, classified as a Use After Free flaw (CWE-416). CVE-2022-1199 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-1199?

CVE-2022-1199 has a CVSS score of 7.5 out of 10, rated High severity. The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-1199?

No patch is currently available for CVE-2022-1199. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2022-1199 actively exploited?

CVE-2022-1199 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2022-1199

High

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.

Package Linux Kernel

Published 2022-08-29

Last modified 2025-04-23

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.5

out of 10

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-416

CVE-2022-1199 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2022-1199 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Red Hat
https://access.redhat.com/security/cve/CVE-2022-1199

Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=2070694

Issue Tracking Third Party Advisory
Security
https://security.netapp.com/advisory/ntap-20221228-0006/

Third Party Advisory
Openwall
https://www.openwall.com/lists/oss-security/2022/04/02/5

Mailing List Third Party Advisory
Kernel patch commit
https://github.com/torvalds/linux/commit/4e0f718daf97d47cf7dec122da1be970f145c809
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/71171ac8eb34ce7fe6b3267dce27c313ab3cb3ac
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/7ec02f5ac8a5be5a3f20611731243dc5e1d9ba10
Patch

Details

CVE ID CVE-2022-1199

Severity High

CVSS score 7.5 / 10

CVSS version 3.1

Published 2022-08-29

Modified 2025-04-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2022-1199?

CVE-2022-1199 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2022-1199 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-1199?

CVE-2022-1199 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-1199?

No patch is currently available for CVE-2022-1199. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2022-1199 actively exploited?

No — CVE-2022-1199 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. View CWE-416 on MITRE CWE →