CVE-2023-53331
kernel: pstore/ram: Check start of empty przs during init
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 16, 2025
Updated · June 30, 2026
Description
An out of bounds array vulnerability exists in the linux kernel, such that a missing check on the start field of a PRZ (persistent ram zone) during initialization leads to damage to the availability and integrity of the system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-129 · Improper Validation of Array Index