SB20240717114 - Input validation error in Linux kernel s390 cio driver
Published: July 17, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240717114
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2022-48798)
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.
References
- 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