#VU111538 NULL pointer dereference in Linux kernel - CVE-2022-49984
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111538
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-2022-49984
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 steam_recv_report() and steam_send_report() functions in drivers/hid/hid-steam.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/989560b6d9e00d99e07bc33067fa1c770994bf4d
- https://git.kernel.org/stable/c/c20d03b82a2e3ddbb555dad4d4f3374a9763222c
- https://git.kernel.org/stable/c/cd11d1a6114bd4bc6450ae59f6e110ec47362126
- https://git.kernel.org/stable/c/dc815761948ab5b8c94db6cb53c95103588f16ae
- https://git.kernel.org/stable/c/dee1e51b54794e90763e70a3c78f27ba4fa930ec
- https://git.kernel.org/stable/c/fa2b822d86be5b5ad54fe4fa2daca464e71ff90a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.212