SB2024082162 - Out-of-bounds read in Linux kernel tty serial driver
Published: August 21, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082162
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-2022-48871)
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 get_tx_fifo_size() and qcom_geni_serial_port_setup() functions in drivers/tty/serial/qcom_geni_serial.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/894681682dbefdad917b88f86cde1069140a047a
- https://git.kernel.org/stable/c/cb53a3366eb28fed67850c80afa52075bb71a38a
- https://git.kernel.org/stable/c/fd524ca7fe45b8a06dca2dd546d62684a9768f95
- https://git.kernel.org/stable/c/b8caf69a6946e18ffebad49847e258f5b6d52ac2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.165
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.90
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2