SB2025091699 - Memory leak in Linux kernel usb host driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091699
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-2022-50247)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the xhci_mtk_probe() function in drivers/usb/host/xhci-mtk.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/03a88b0bafbe3f548729d970d8366f48718c9b19
- https://git.kernel.org/stable/c/05680a91ae60ddd0319e6618456f0883b5dd765d
- https://git.kernel.org/stable/c/c8e7463844888dc8344bbb9cbad88cdce9cb8077
- https://git.kernel.org/stable/c/ffb14aac2658873050671198543b9b8194149c14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86