SB2025091905 - Memory leak in Linux kernel mfd driver
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091905
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) Memory leak (CVE-ID: CVE-2023-53443)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the arizona_clk32k_enable() function in drivers/mfd/arizona-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/4414a7ab80cebf715045e3c4d465feefbad21139
- https://git.kernel.org/stable/c/5a47bb71b1a94a279144fc3031d3c4591b38dd16
- https://git.kernel.org/stable/c/7195e642b49af60d4120fa1b45bd812ba528174f
- https://git.kernel.org/stable/c/754e81ff44061dda68da0fd4ef51bd1aa9fbf2cf
- https://git.kernel.org/stable/c/9893771097b22a8743a446e45994a177795ca4da
- https://git.kernel.org/stable/c/dc9437e9889c3dacf1f320e3cf08da74127573fe
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.5