SB20250327121 - Out-of-bounds read in Linux kernel s390 kernel
Published: March 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250327121
CSH 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 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2023-52990)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 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
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 setup_lowcore_dat_on() function in arch/s390/kernel/setup.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.