CVE-2022-1516: Null Pointer Dereference

Published May 5, 2022
·
Updated

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.

Affected Software

4 affected componentsFixes available
Linux Linux kernel=5.18-rc1
Debian Debian Linux=9.0
Debian Debian Linux=10.0
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1

Event History

May 5, 2022
CVE Published
via MITRE·02:57 PM
Data Sourced
via MITRE·02:57 PM
DescriptionWeakness
Jan 12, 2024
Data Sourced
via Launchpad·12:04 AM
Description
Apr 28, 2025
Data Sourced
via Ubuntu·04:36 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Debian·04:36 AM
DescriptionAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2022-1516?

CVE-2022-1516 has a severity rating that indicates it can allow a local user to crash the system through a NULL pointer dereference.

2

How do I fix CVE-2022-1516?

To fix CVE-2022-1516, update the Linux kernel to the patched versions listed in the vulnerability report.

3

Who is affected by CVE-2022-1516?

CVE-2022-1516 affects various versions of the Linux kernel, particularly those that implement X.25 networking protocols.

4

What types of systems are vulnerable to CVE-2022-1516?

Systems running specific versions of the Linux kernel and its derivatives, such as Debian, are vulnerable to CVE-2022-1516.

5

Is CVE-2022-1516 a remote or local vulnerability?

CVE-2022-1516 is a local vulnerability that can be exploited by logged-in users on the affected system.

Contact

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