NULL pointer dereference in Linux kernel - CVE-2023-52783
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90537
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-52783
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the txgbe_sw_init() function in drivers/net/ethernet/wangxun/txgbe/txgbe_main.c, within the ngbe_sw_init() function in drivers/net/ethernet/wangxun/ngbe/ngbe_main.c, within the wx_sw_init() function in drivers/net/ethernet/wangxun/libwx/wx_hw.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-52783
Install update from vendor's website.