NULL pointer dereference in Linux kernel - CVE-2026-93825

 

NULL pointer dereference in Linux kernel - CVE-2026-93825

Published: September 25, 2026


Vulnerability identifier: #VU152062
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-2026-93825
CWE-ID: CWE-476
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 a missing null pointer check in spi_get_device_match_data() when processing an SPI device using driver_override without a matching SPI ID entry. A local user can use driver_override without a matching SPI ID entry to cause a denial of service.


Affected software

Linux kernel

How to mitigate CVE-2026-93825

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins