CVE-2022-49145
kernel: ACPI: CPPC: Avoid out of bounds access when parsing _CPC data
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 26, 2025
Updated · June 30, 2026
Description
In the Linux kernel, the following vulnerability has been resolved:
ACPI: CPPC: Avoid out of bounds access when parsing _CPC data
If the NumEntries field in the _CPC return package is less than 2, do not attempt to access the "Revision" element of that package, because it may not be present then.
BugLink: https://lore.kernel.org/lkml/20220322143534.GC32582@xsang-OptiPlex-9020/
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
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE not specified