CVE-2022-49145
ACPI: CPPC: Avoid out of bounds access when parsing _CPC data
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/
INFO
Published Date :
Feb. 26, 2025, 7 a.m.
Last Modified :
Sept. 23, 2025, 1:53 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update the Linux kernel to a version with the fix.
- Apply the ACPI CPPC patch to the kernel.
- Validate CPPC data parsing logic.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-49145.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-49145 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-49145
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-49145 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-49145 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 23, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H Added CWE CWE-125 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.189 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.33 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.17 up to (excluding) 5.17.2 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.238 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.110 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.16.19 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.4 up to (excluding) 4.9.311 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.276 Added Reference Type kernel.org: https://git.kernel.org/stable/c/28d5387c1994f5e1e0d41b30a1f3dd6e1f609252 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/40d8abf364bcab23bc715a9221a3c8623956257b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/97b5593fd1b182b3fdb180b6bbe64ec09669988b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b3f15609ffa521de12244cd6af24002030dda3f5 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b80b19b32a432c9eee1cd200ef7aaddf608f54d1 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/cb249f8c00f40dba83b7da8207ac14ca46e9ec9e Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d208ea44e25b31db5a4d5e8c31df51787a3e9303 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d7339f2a3938fb56b5f28d53f5345900b5fa0e74 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e5b681822cac1f8093759b02e16c06b2c64b6788 Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 26, 2025
Action Type Old Value New Value Added 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/ Added Reference https://git.kernel.org/stable/c/28d5387c1994f5e1e0d41b30a1f3dd6e1f609252 Added Reference https://git.kernel.org/stable/c/40d8abf364bcab23bc715a9221a3c8623956257b Added Reference https://git.kernel.org/stable/c/97b5593fd1b182b3fdb180b6bbe64ec09669988b Added Reference https://git.kernel.org/stable/c/b3f15609ffa521de12244cd6af24002030dda3f5 Added Reference https://git.kernel.org/stable/c/b80b19b32a432c9eee1cd200ef7aaddf608f54d1 Added Reference https://git.kernel.org/stable/c/cb249f8c00f40dba83b7da8207ac14ca46e9ec9e Added Reference https://git.kernel.org/stable/c/d208ea44e25b31db5a4d5e8c31df51787a3e9303 Added Reference https://git.kernel.org/stable/c/d7339f2a3938fb56b5f28d53f5345900b5fa0e74 Added Reference https://git.kernel.org/stable/c/e5b681822cac1f8093759b02e16c06b2c64b6788