SB2025121027 - Memory leak in Linux kernel stmicro stmmac driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025121027
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-2022-50663)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the stmmac_dvr_probe() function in drivers/net/ethernet/stmicro/stmmac/stmmac_main.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/446757787baf99b7db15cb347783c45a37bfe21f
- https://git.kernel.org/stable/c/96e50897029f65222ef76cfe9bc802321fcea33b
- https://git.kernel.org/stable/c/a137f3f27f9290933fe7e40e6dc8a445781c31a2
- https://git.kernel.org/stable/c/b59253e32c203a20bce15dca80890b7d268bacd7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16