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/

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00178.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel
Redhat
  • Enterprise Linux

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Package CPE Advisory Released Date
Red Hat Enterprise Linux 8
kernel-0:4.18.0-425.3.1.el8 cpe:/o:redhat:enterprise_linux:8 RHSA-2022:7683 2022-11-08T00:00:00Z
Red Hat Enterprise Linux 9
kernel-0:5.14.0-162.6.1.el9_1 cpe:/a:redhat:enterprise_linux:9 RHSA-2022:8267 2022-11-15T00:00:00Z
kernel-0:5.14.0-162.6.1.el9_1 cpe:/o:redhat:enterprise_linux:9 RHSA-2022:8267 2022-11-15T00:00:00Z

No data.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/28d5387c1994f5e1e0d41b30a1f3dd6e1f609252 cve-icon cve-icon
https://git.kernel.org/stable/c/40d8abf364bcab23bc715a9221a3c8623956257b cve-icon cve-icon
https://git.kernel.org/stable/c/97b5593fd1b182b3fdb180b6bbe64ec09669988b cve-icon cve-icon
https://git.kernel.org/stable/c/b3f15609ffa521de12244cd6af24002030dda3f5 cve-icon cve-icon
https://git.kernel.org/stable/c/b80b19b32a432c9eee1cd200ef7aaddf608f54d1 cve-icon cve-icon
https://git.kernel.org/stable/c/cb249f8c00f40dba83b7da8207ac14ca46e9ec9e cve-icon cve-icon
https://git.kernel.org/stable/c/d208ea44e25b31db5a4d5e8c31df51787a3e9303 cve-icon cve-icon
https://git.kernel.org/stable/c/d7339f2a3938fb56b5f28d53f5345900b5fa0e74 cve-icon cve-icon
https://git.kernel.org/stable/c/e5b681822cac1f8093759b02e16c06b2c64b6788 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025022608-CVE-2022-49145-3c50@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2022-49145 cve-icon
https://www.cve.org/CVERecord?id=CVE-2022-49145 cve-icon
History

Tue, 23 Sep 2025 14:00:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Weaknesses CWE-125
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

 cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H'}

Sat, 07 Jun 2025 03:00:00 +0000

Type Values Removed Values Added
First Time appeared Redhat
Redhat enterprise Linux
CPEs cpe:/a:redhat:enterprise_linux:9
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux

Thu, 27 Feb 2025 13:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Wed, 26 Feb 2025 02:15:00 +0000

Type Values Removed Values 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/
Title ACPI: CPPC: Avoid out of bounds access when parsing _CPC data
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-05-04T08:30:56.127Z

Reserved: 2025-02-26T01:49:39.270Z

Link: CVE-2022-49145

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2025-02-26T07:00:51.693

Modified: 2025-09-23T13:53:26.707

Link: CVE-2022-49145

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-02-26T00:00:00Z

Links: CVE-2022-49145 - Bugzilla

cve-icon OpenCVE Enrichment

No data.