SB20250502200 - NULL pointer dereference in Linux kernel wangxun libwx driver
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502200
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) NULL pointer dereference (CVE-ID: CVE-2025-37755)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the wx_alloc_mapped_page() function in drivers/net/ethernet/wangxun/libwx/wx_lib.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/1dd13c60348f515acd8c6f25a561b9c4e3b04fea
- https://git.kernel.org/stable/c/7f1ff1b38a7c8b872382b796023419d87d78c47e
- https://git.kernel.org/stable/c/90bec7cef8805f9a23145e070dff28a02bb584eb
- https://git.kernel.org/stable/c/ad81d666e114ebf989fc9994d4c93d451dc60056
- https://git.kernel.org/stable/c/c17ef974bfcf1a50818168b47c4606b425a957c4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.88