Input validation error in Linux kernel - CVE-2022-49054
Published: February 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104921
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-2022-49054
CWE-ID: CWE-20
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 input validation within the hyperv_panic_event(), hyperv_die_event() and vmbus_bus_init() functions in drivers/hv/vmbus_drv.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-49054
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/1b576e81d31b56b248316b8ff816b1cc5c4407c7
- https://git.kernel.org/stable/c/6230bc50d6d21cae4c084766623d0a6d17958721
- https://git.kernel.org/stable/c/9f8b577f7b43b2170628d6c537252785dcc2dcea
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.35
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18