Bug 2348029 (CVE-2022-49145)

Summary: CVE-2022-49145 kernel: ACPI: CPPC: Avoid out of bounds access when parsing _CPC data
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
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OS: Linux   
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Description OSIDB Bzimport 2025-02-26 03:15:10 UTC 
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/
Comment 1 Avinash Hanwate 2025-02-26 21:42:40 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022608-CVE-2022-49145-3c50@gregkh/T