#VU115408 Out-of-bounds read in Linux kernel - CVE-2022-50307
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115408
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-2022-50307
CWE-ID: CWE-125
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 an out-of-bounds read error within the __unset_online() function in drivers/s390/cio/css.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/0e501fd0f38e42304bfa0d46a812d93f80294a87
- https://git.kernel.org/stable/c/106ab66cf5467726ca5ead51623043d37c06820a
- https://git.kernel.org/stable/c/1b6074112742f65ece71b0f299ca5a6a887d2db6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.78
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1