#VU104628 NULL pointer dereference in Linux kernel - CVE-2022-49090
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104628
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-2022-49090
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 secondary_start_kernel() function in arch/arm64/kernel/smp.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/5524cbb1bfcdff0cad0aaa9f94e6092002a07259
- https://git.kernel.org/stable/c/790c1567582bda8f1153015436e3330a7c6eb278
- https://git.kernel.org/stable/c/87f5d66daa5f457449bb95d6b8d18bb7596aa627
- https://git.kernel.org/stable/c/c78a1b2d0bff678570c8dc9f14035606f5e5257d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3