NULL pointer dereference in Linux kernel - CVE-2023-53561

 

NULL pointer dereference in Linux kernel - CVE-2023-53561

Published: October 5, 2025 / Updated: October 27, 2025


Vulnerability identifier: #VU116538
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-53561
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the drivers/net/wwan/iosm/iosm_ipc_imem_ops.h. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel

How to mitigate CVE-2023-53561

Install update from vendor's repository.

Linux kernel - update to 6.1.30

External References

Related Security Bulletins