SB20250619194 - Out-of-bounds read in Linux kernel clk bcm driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619194
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-2022-49946)
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 raspberrypi_discover_clocks() function in drivers/clk/bcm/clk-raspberrypi.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/bc163555603e4ae9c817675ad80d618a4cdbfa2d
- https://git.kernel.org/stable/c/c8b04b731d43366824841ebdca4ac715f95e0ea4
- https://git.kernel.org/stable/c/fcae47b2d23c81603b01f56cf8db63ed64599d34
- https://git.kernel.org/stable/c/ff0b144d4b0a9fbd6efe4d2c0a4b6c9bae2138d2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.66