SB20250619180 - Use-after-free in Linux kernel nfc pn533 driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619180
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-2022-50005)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the pn532_uart_remove() function in drivers/nfc/pn533/uart.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2c71f5d55a86fd5969428abf525c1ae6b1c7b0f5
- https://git.kernel.org/stable/c/50403ee6daddf0d7a14e9d3b51a377c39a08ec8c
- https://git.kernel.org/stable/c/9c34c33893db7a80d0e4b55c23d3b65e29609cfb
- https://git.kernel.org/stable/c/f1e941dbf80a9b8bab0bffbc4cbe41cc7f4c6fb6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.140
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.64
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0