#VU104631 NULL pointer dereference in Linux kernel - CVE-2022-49106
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104631
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-2022-49106
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 vchiq_dump_platform_instances() function in drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.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/176df12b38c70b0a45e6392a0ee5bc83489dfc29
- https://git.kernel.org/stable/c/4627250cabaa80278d3ab01ad107893cea83799f
- https://git.kernel.org/stable/c/51e5e5c34c22c0bfec0808d8c33e0b2fcf4c7c89
- https://git.kernel.org/stable/c/aa899e686d442c63d50f4d369cc02dbbf0941cb0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.34
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.20
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18