#VU93124 NULL pointer dereference in Linux kernel - CVE-2024-37021
Published: June 24, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93124
Vulnerability risk: Low
CVSSv4.0: 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-2024-37021
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
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 ATTRIBUTE_GROUPS(), fpga_mgr_dev_match(), EXPORT_SYMBOL_GPL(), fpga_mgr_unlock(), fpga_mgr_register_full(), ERR_PTR(), fpga_mgr_register(), devm_fpga_mgr_unregister(), devm_fpga_mgr_register_full() and devm_fpga_mgr_register() functions in drivers/fpga/fpga-mgr.c, within the fpga_mgr_register() and fpga_mgr_register_full() functions in Documentation/driver-api/fpga/fpga-mgr.rst. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/2da62a139a6221a345db4eb9f4f1c4b0937c89ad
- https://git.kernel.org/stable/c/62ac496a01c9337a11362cea427038ba621ca9eb
- https://git.kernel.org/stable/c/4d4d2d4346857bf778fafaa97d6f76bb1663e3c9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.120
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.33