#VU94239 NULL pointer dereference in Linux kernel - CVE-2024-40984
Published: July 13, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94239
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-2024-40984
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 acpi_ex_system_memory_space_handler() function in drivers/acpi/acpica/exregion.c. 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/435ecc978c3d5d0c4e172ec5b956dc1904061d98
- https://git.kernel.org/stable/c/ae465109d82f4fb03c5adbe85f2d6a6a3d59124c
- https://git.kernel.org/stable/c/6eca23100e9030725f69c1babacd58803f29ec8d
- https://git.kernel.org/stable/c/dc5017c57f5eee80020c73ff8b67ba7f9fd08b1f
- https://git.kernel.org/stable/c/ddc1f5f124479360a1fd43f73be950781d172239
- https://git.kernel.org/stable/c/434c6b924e1f4c219aab2d9e05fe79c5364e37d3
- https://git.kernel.org/stable/c/e21a4c9129c72fa54dd00f5ebf71219b41d43c04
- https://git.kernel.org/stable/c/a83e1385b780d41307433ddbc86e3c528db031f0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.317
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.221
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.162
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.279
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.96
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.36