Improper Initialization in Linux kernel - CVE-2026-43160

 

Improper Initialization in Linux kernel - CVE-2026-43160

Published: May 7, 2026


Vulnerability identifier: #VU130585
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-2026-43160
CWE-ID: CWE-665
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper initialization in apple_smc_read() when sub-device probe functions invoke read operations. A local user can trigger access to the affected driver path to cause a denial of service.

The issue may result in occasional NULL pointer dereferences during probe-time reads.


Affected software

Linux kernel

How to mitigate CVE-2026-43160

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins