#VU94490 Input validation error in Linux kernel - CVE-2022-48798
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94490
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-2022-48798
CWE-ID: CWE-20
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 improper input validation within the io_subchannel_chp_event() function in drivers/s390/cio/device.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/fe990b7bf6ac93f1d850d076b8f0e758268aa4ab
- https://git.kernel.org/stable/c/a0619027f11590b2070624297530c34dc7f91bcd
- https://git.kernel.org/stable/c/dd9cb842fa9d90653a9b48aba52f89c069f3bc50
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17