SB20240531215 - Out-of-bounds read in Linux kernel gpio driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531215
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) Out-of-bounds read (CVE-ID: CVE-2021-47263)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the WCD_PIN_MASK() function in drivers/gpio/gpio-wcd934x.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/e0b518a2eb44d8a74c19e50f79a8ed393e96d634
- https://git.kernel.org/stable/c/dd55331d493b7ea75c5db1f24d6822946fde2862
- https://git.kernel.org/stable/c/dbec64b11c65d74f31427e2b9d5746fbf17bf840
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.44
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13