SB20250619149 - Use-after-free in Linux kernel spi driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619149
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-50190)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the EXPORT_SYMBOL_GPL() and devm_spi_unregister() functions in drivers/spi/spi.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/34bab623ebfc08398499e463396b81abb4abe01e
- https://git.kernel.org/stable/c/3c6bd448442b6c3f6843ac70d57201a13478dd47
- https://git.kernel.org/stable/c/43cc5a0afe4184a7fafe1eba32b5a11bb69c9ce0
- https://git.kernel.org/stable/c/445fb9c19cf45bd9472fd9babaa31c5e6c7d2720
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.61