SB20240608241 - Improper locking in Linux kernel soc tegra driver
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240608241
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) Improper locking (CVE-ID: CVE-2021-47067)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the tegra30_voltage_update() function in drivers/soc/tegra/regulators-tegra30.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/a1ad124c836816fac8bd5e461d36eaf33cee4e24
- https://git.kernel.org/stable/c/dc4452867200fa94589b382740952b58aa1c3e6c
- https://git.kernel.org/stable/c/ff39adf5d31c72025bba799aec69c5c86d81d549
- https://git.kernel.org/stable/c/ef85bb582c41524e9e68dfdbde48e519dac4ab3d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.37
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13