CVE-2022-49145
ACPI: CPPC: Avoid out of bounds access when parsing _CPC data
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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/
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/28d5387c1994f5e1e0d41b30a1f3dd6e1f609252
- https://git.kernel.org/stable/c/40d8abf364bcab23bc715a9221a3c8623956257b
- https://git.kernel.org/stable/c/97b5593fd1b182b3fdb180b6bbe64ec09669988b
- https://git.kernel.org/stable/c/b3f15609ffa521de12244cd6af24002030dda3f5
- https://git.kernel.org/stable/c/b80b19b32a432c9eee1cd200ef7aaddf608f54d1
References (9)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- HIGH
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