SB20251230132 - Memory leak in Linux kernel microchip wilc1000 driver
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251230132
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-2022-50832)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the wilc_mac_xmit() function in drivers/net/wireless/microchip/wilc1000/netdev.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/07dcd756e28f27e4f8fcd8b809ffa05a5cc5de2b
- https://git.kernel.org/stable/c/5706d00fde3f1d5eb7296a4dfefb6aea35108224
- https://git.kernel.org/stable/c/a12610e83789c838493034e5c50ac5c903ad8c0d
- https://git.kernel.org/stable/c/a1e94fb4d09d0fcfeaa73aa49d787f06c42db7ee
- https://git.kernel.org/stable/c/baef42df7de7c35ba60b75a5f96d1eb039f4d782
- https://git.kernel.org/stable/c/deb962ec9e1c9a81babd3d37542ad4bd6ac3396e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.99
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.235
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3