SB2025120835 - Memory leak in Linux kernel ethernet socionext driver
Published: December 8, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025120835
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-2022-50624)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the netsec_register_mdio() function in drivers/net/ethernet/socionext/netsec.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/1e0bee973ef6fc3c1e3acb014515eaea37c8fa17
- https://git.kernel.org/stable/c/62f0a08e82a6312efd7df7f595c0b11d4ffde610
- https://git.kernel.org/stable/c/728884b22d83148a330b23f9472f1e118b589211
- https://git.kernel.org/stable/c/846e677daf51220d7975c61a20e440a88473951e
- https://git.kernel.org/stable/c/94423589689124e8cd145b38a1034be7f25835b2
- https://git.kernel.org/stable/c/fda2d07234a21be4d71ebfe97a45f499726902d6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.223