CVE-2023-53257: wifi: mac80211: check S1G action frame size
Published Sep 15, 2025
·Updated
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: check S1G action frame size
Before checking the action code, check that it even exists in the frame.
Affected Software
5 affected components
Linux Linux kernel
Linux Linux kernel<5.15.133
Linux Linux kernel>=5.16<6.1.55
Linux Linux kernel>=6.2<6.5.5
IBM Cloud Pak for Data System<=11.3.0.2-IF1
Event History
Sep 15, 2025
CVE Published
via MITRE·02:46 PM
Data Sourced
via MITRE·02:46 PM
DescriptionSeverity
Data Sourced
via Red Hat·03:03 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityAffected Software
Aug 28, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2023-53257?
CVE-2023-53257 is considered to be a medium severity vulnerability in the Linux kernel.
2
How do I fix CVE-2023-53257?
To fix CVE-2023-53257, you should update your Linux kernel to the latest version that addresses this vulnerability.
3
What does CVE-2023-53257 affect?
CVE-2023-53257 affects the Linux kernel and specifically impacts the mac80211 subsystem regarding S1G action frame size.
4
What is the impact of CVE-2023-53257?
The impact of CVE-2023-53257 could potentially allow for improper handling of action frames, leading to possible denial of service.
5
When was CVE-2023-53257 disclosed?
CVE-2023-53257 was disclosed as part of a security update for the Linux kernel.