CVE-2022-49964
kernel: arm64: cacheinfo: Fix incorrect assignment of signed error value to unsigned fw_level
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 18, 2025
Updated · June 30, 2026
Description
An integer overflow exists in the linux kernel such that the value returned from acpi_find_last_cache_level() is then assigned to unsigned fw_level, which will result in the number of cache leaves calculated incorrectly, resulting in damage to the confidentiality, integrity, and availability 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-190 · Integer Overflow or Wraparound