SB20250226383 - NULL pointer dereference in Linux kernel serial 8250 driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226383
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-2022-49392)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the aspeed_vuart_probe() function in drivers/tty/serial/8250/8250_aspeed_vuart.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/0e0fd55719fa081de6f9e5d9e6cef48efb04d34a
- https://git.kernel.org/stable/c/90a6b6fc52bfdcfe9698454bf5bea26112abbcd1
- https://git.kernel.org/stable/c/923d34ce069e8e51a4d003caa6b66a8cd6ecd0ed
- https://git.kernel.org/stable/c/d5f1275f101e0e8a172d300d897f5a12e87e3485
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.4