SB20251226217 - NULL pointer dereference in Linux kernel iio driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226217
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2023-54027)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the __iio_device_register() function in drivers/iio/industrialio-core.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/312f04ede209f0a186799fe8e64a19b49700d5dc
- https://git.kernel.org/stable/c/a4b34cccff14ce74bb7d77fbfd56e7c9d7c28a97
- https://git.kernel.org/stable/c/b2a69969908fcaf68596dfc04369af0fe2e1d2f7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.46
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5