SB20251230209 - NULL pointer dereference in Linux kernel tty serial driver
Published: December 30, 2025 Updated: December 30, 2025
Security Bulletin ID
SB20251230209
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-2023-54287)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the imx_uart_probe() function in drivers/tty/serial/imx.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/3d41d9b256ae626c0dc434427c8e32450358d3b4
- https://git.kernel.org/stable/c/963875b0655197281775b0ea614aab8b6b3eb001
- https://git.kernel.org/stable/c/9795ece3a85ba9238191e97665586e2d79703ff3
- https://git.kernel.org/stable/c/ef25e16ea9674b713a68c3bda821556ce9901254
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.99
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3