Improper error handling in Linux kernel - CVE-2022-48727
Published: June 20, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU92939
CSH Severity: Low
CVSS v4.0: 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-2022-48727
CWE-ID: CWE-388
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the arch/arm64/kvm/hyp/include/hyp/switch.h. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-48727
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/e1e852746997500f1873f60b954da5f02cc2dba3
- https://git.kernel.org/stable/c/57e2986c3b25092691a6e3d6ee9168caf8978932
- https://git.kernel.org/stable/c/1c71dbc8a179d99dd9bb7e7fc1888db613cf85de
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.22
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17