SB2025091696 - Memory leak in Linux kernel typec tcpm driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091696
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) Memory leak (CVE-ID: CVE-2022-50246)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the tcpci_register_port() and EXPORT_SYMBOL_GPL() functions in drivers/usb/typec/tcpm/tcpci.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/0384e87e3fec735e47f1c133c796f32ef7a72a9b
- https://git.kernel.org/stable/c/4f257e2eba419ab4cd880c822346450e4e7b2af3
- https://git.kernel.org/stable/c/5f125507d2270035dfcf83fbff6cff5a143e200c
- https://git.kernel.org/stable/c/ba75be6f0d9d028d20852564206565a4c03e3288
- https://git.kernel.org/stable/c/d3b6c28a71f111a6c67ddc3238aab95910fd86cf
- https://git.kernel.org/stable/c/e75a324409715bd71348f79a49aa61b69dbeb676
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16