Information disclosure in Linux kernel - CVE-2023-53266
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115545
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-53266
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information disclosure within the acpi_ffh_address_space_arch_setup() function in arch/arm64/kernel/acpi.c. A local user can gain access to sensitive information.
Affected software
Linux kernel
How to mitigate CVE-2023-53266
Install update from vendor's repository.
Linux kernel - update to 6.2.3