CVE-2022-1516

Name: CVE-2022-1516
Creator: NVD / NIST
Published: 2022-05-05T15:15:07.953+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2022-1516 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A NULL pointer dereference flaw was found in the Linux kernel’s X.25 set of standardized network protocols functionality in the way a user terminates their session using a simulated Ethernet card and continued usage of this connection. This flaw allows a local user to crash the system.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

A NULL pointer dereference flaw was found in the Linux kernel’s X.25 set of standardized network protocols functionality in the way a user terminates their session using a simulated Ethernet card and continued usage of this connection. This flaw allows a local user to crash the system.

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

0.32%

24.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Linux	Linux Kernel	5.18	Rc1
Debian	Debian Linux	9.0	—
Debian	Debian Linux	10.0	—

References

http://www.openwall.com/lists/oss-security/2022/06/19/1Mailing List
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=7781607938c8Mailing List, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2022/dsa-5173Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/06/19/1Mailing List
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=7781607938c8Mailing List, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2022/dsa-5173Third Party Advisory

Timeline

Published: May 5, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-1516?

How severe is CVE-2022-1516?

CVE-2022-1516 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2022-1516?

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-2022-1516?

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

Scan your code now

Source: NVD / NIST