Use-after-free in Linux kernel - CVE-2024-42112
Published: July 31, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU94933
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-42112
CWE-ID: CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the txgbe_open() and txgbe_remove() functions in drivers/net/ethernet/wangxun/txgbe/txgbe_main.c, within the wx_free_irq() and ngbe_close() functions in drivers/net/ethernet/wangxun/ngbe/ngbe_main.c, within the wx_setup_isb_resources() and wx_free_all_tx_resources() functions in drivers/net/ethernet/wangxun/libwx/wx_lib.c. A local user can escalate privileges on the system.
How to mitigate CVE-2024-42112
Install update from vendor's website.