#VU104574 NULL pointer dereference in Linux kernel - CVE-2022-49448
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104574
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-2022-49448
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 bcm_pmb_probe() function in drivers/soc/bcm/bcm63xx/bcm-pmb.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/36339ea7bae4943be01c8e9545e46e334591fecd
- https://git.kernel.org/stable/c/5650e103bfc70156001615861fb8aafb3947da6e
- https://git.kernel.org/stable/c/b48b98743b568bb219152ba2e15af6ef0d3d8a9b
- https://git.kernel.org/stable/c/b4bd2aafacce48db26b0a213d849818d940556dd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.46
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19