SB2025101599 - Use-after-free in Linux kernel media rc driver
Published: October 15, 2025
Security Bulletin ID
SB2025101599
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-39993)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the display_open(), send_packet(), vfd_write(), lcd_write() and imon_disconnect() functions in drivers/media/rc/imon.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2e7fd93b9cc565b839bc55a6662475718963e156
- https://git.kernel.org/stable/c/71096a6161a25e84acddb89a9d77f138502d26ab
- https://git.kernel.org/stable/c/71da40648741d15b302700b68973fe8b382aef3c
- https://git.kernel.org/stable/c/d9f6ce99624a41c3bcb29a8d7d79b800665229dd
- https://git.kernel.org/stable/c/fa0f61cc1d828178aa921475a9b786e7fbb65ccb
- https://git.kernel.org/stable/c/fd5d3e6b149ec8cce045d86a2b5e3664d6b32ba5