SB20240531469 - NULL pointer dereference in Linux kernel gpio driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531469
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-2022-48663)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the gpio_mockup_init() function in drivers/gpio/gpio-mockup.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/bdea98b98f844bd8a983ca880893e509a8b4162f
- https://git.kernel.org/stable/c/18352095a0d581f6aeb1e9fc9d68cc0152cd64b4
- https://git.kernel.org/stable/c/af0bfabf06c74c260265c30ba81a34e7dec0e881
- https://git.kernel.org/stable/c/b7df41a6f79dfb18ba2203f8c5f0e9c0b9b57f68
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.146
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.71
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0