SB20241022222 - Information disclosure in Linux kernel gpio driver
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022222
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Information disclosure (CVE-ID: CVE-2022-48975)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 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/E:U/U:Clear
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information disclosure within the gpiochip_setup_dev(), gpiochip_add_data_with_key(), gpiochip_remove_pin_ranges() and ida_free() functions in drivers/gpio/gpiolib.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/6daaa84b621485fe28c401be18debf92ae8ef04a
- https://git.kernel.org/stable/c/371363716398ed718e389bea8c5e9843a79dde4e
- https://git.kernel.org/stable/c/ec851b23084b3a0af8bf0f5e51d33a8d678bdc49
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1