SB2024062439 - NULL pointer dereference in Linux kernel driver-api fpga
Published: June 24, 2024 Updated: May 13, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2024-37021)
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.
References
- 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