CVE-2022-1195

Name: CVE-2022-1195
Creator: NVD / NIST
Published: 2022-04-29T16:15:08.687+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2022-1195 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A use-after-free vulnerability was found in the Linux kernel in drivers/net/hamradio. This flaw allows a local attacker with a user privilege to cause a denial of service (DOS) when the mkiss or sixpack device is detached and reclaim resources early.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

A use-after-free vulnerability was found in the Linux kernel in drivers/net/hamradio. This flaw allows a local attacker with a user privilege to cause a denial of service (DOS) when the mkiss or sixpack device is detached and reclaim resources early.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.23%

13.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.16
Linux	Linux Kernel	5.16
Debian	Debian Linux	10.0
Debian	Debian Linux	11.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=2056381Issue Tracking, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0b9111922b1f399aba6ed1e1b8f2079c3da1aed8Mailing List, Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e0588c291d6ce225f2b891753ca41d45ba42469Mailing List, Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=81b1d548d00bcd028303c4f3150fa753b9b8aa71Mailing List, Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b2f37aead1b82a770c48b5d583f35ec22aabb61eMailing List, Patch, Vendor Advisory
https://www.debian.org/security/2022/dsa-5127Third Party Advisory
https://www.debian.org/security/2022/dsa-5173Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2056381Issue Tracking, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0b9111922b1f399aba6ed1e1b8f2079c3da1aed8Mailing List, Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e0588c291d6ce225f2b891753ca41d45ba42469Mailing List, Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=81b1d548d00bcd028303c4f3150fa753b9b8aa71Mailing List, Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b2f37aead1b82a770c48b5d583f35ec22aabb61eMailing List, Patch, Vendor Advisory
https://www.debian.org/security/2022/dsa-5127Third Party Advisory
https://www.debian.org/security/2022/dsa-5173Third Party Advisory

Timeline

Published: Apr 29, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-1195?

How severe is CVE-2022-1195?

CVE-2022-1195 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2022-1195?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-1195?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST