SB20251226202 - NULL pointer dereference in Linux kernel spmi driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226202
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-2023-54044)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the spmi_drv_remove() function in drivers/spmi/spmi.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/0f3ef30c1c05502f5de3b73b3715d5994845c1b4
- https://git.kernel.org/stable/c/428cc252701d6864151f3a296ffc23e1e49a7408
- https://git.kernel.org/stable/c/54dda732225555dc6d660e95793c54a0a44b612c
- https://git.kernel.org/stable/c/699949219e35fe29fd42ccf8cd92c989c3d15109
- https://git.kernel.org/stable/c/af763c29b9e7040fedd0077bca053b101438a3a4
- https://git.kernel.org/stable/c/b56eef3e16d888883fefab47425036de80dd38fc
- https://git.kernel.org/stable/c/b95a69214daea4aab1c8bad96571d988a62e2c97
- https://git.kernel.org/stable/c/c45ab3ab9c371c9ac22bbe1217e5abb2e55a3d4b
- https://git.kernel.org/stable/c/ee0b6146317a98bfec848d7bde5586beb245a38f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.111