CVE-2022-49145 (GCVE-0-2022-49145)
Vulnerability from cvelistv5 – Published: 2025-02-26 01:55 – Updated: 2026-05-11 18:53
VLAI
EPSS
VEX
Title
ACPI: CPPC: Avoid out of bounds access when parsing _CPC data
Summary
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/
Severity
7.1 (High)
Assigner
References
9 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
337aadff8e4567e39669e07d9a88b789d78458b5 , < b3f15609ffa521de12244cd6af24002030dda3f5
(git)
Affected: 337aadff8e4567e39669e07d9a88b789d78458b5 , < d208ea44e25b31db5a4d5e8c31df51787a3e9303 (git) Affected: 337aadff8e4567e39669e07d9a88b789d78458b5 , < 28d5387c1994f5e1e0d41b30a1f3dd6e1f609252 (git) Affected: 337aadff8e4567e39669e07d9a88b789d78458b5 , < cb249f8c00f40dba83b7da8207ac14ca46e9ec9e (git) Affected: 337aadff8e4567e39669e07d9a88b789d78458b5 , < e5b681822cac1f8093759b02e16c06b2c64b6788 (git) Affected: 337aadff8e4567e39669e07d9a88b789d78458b5 , < 97b5593fd1b182b3fdb180b6bbe64ec09669988b (git) Affected: 337aadff8e4567e39669e07d9a88b789d78458b5 , < b80b19b32a432c9eee1cd200ef7aaddf608f54d1 (git) Affected: 337aadff8e4567e39669e07d9a88b789d78458b5 , < d7339f2a3938fb56b5f28d53f5345900b5fa0e74 (git) Affected: 337aadff8e4567e39669e07d9a88b789d78458b5 , < 40d8abf364bcab23bc715a9221a3c8623956257b (git) |
guessed | |
| Linux | Linux |
Affected:
4.4
Unaffected: 0 , < 4.4 (semver) Unaffected: 4.9.311 , ≤ 4.9.* (semver) Unaffected: 4.14.276 , ≤ 4.14.* (semver) Unaffected: 4.19.238 , ≤ 4.19.* (semver) Unaffected: 5.4.189 , ≤ 5.4.* (semver) Unaffected: 5.10.110 , ≤ 5.10.* (semver) Unaffected: 5.15.33 , ≤ 5.15.* (semver) Unaffected: 5.16.19 , ≤ 5.16.* (semver) Unaffected: 5.17.2 , ≤ 5.17.* (semver) Unaffected: 5.18 , ≤ * (original_commit_for_fix) |
guessed |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/acpi/cppc_acpi.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
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"versionType": "git"
},
{
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"version": "337aadff8e4567e39669e07d9a88b789d78458b5",
"versionType": "git"
},
{
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"versionType": "git"
},
{
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},
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"versionType": "git"
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{
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{
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{
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"versionType": "git"
}
]
},
{
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],
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"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.4"
},
{
"lessThan": "4.4",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.9.*",
"status": "unaffected",
"version": "4.9.311",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"version": "4.14.276",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"version": "4.19.238",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.189",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.110",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.33",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.16.*",
"status": "unaffected",
"version": "5.16.19",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.17.*",
"status": "unaffected",
"version": "5.17.2",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "5.18",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
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"versionStartIncluding": "4.4",
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},
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},
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},
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},
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},
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}
],
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}
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}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: CPPC: Avoid out of bounds access when parsing _CPC data\n\nIf the NumEntries field in the _CPC return package is less than 2, do\nnot attempt to access the \"Revision\" element of that package, because\nit may not be present then.\n\nBugLink: https://lore.kernel.org/lkml/20220322143534.GC32582@xsang-OptiPlex-9020/"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T18:53:59.526Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/b3f15609ffa521de12244cd6af24002030dda3f5"
},
{
"url": "https://git.kernel.org/stable/c/d208ea44e25b31db5a4d5e8c31df51787a3e9303"
},
{
"url": "https://git.kernel.org/stable/c/28d5387c1994f5e1e0d41b30a1f3dd6e1f609252"
},
{
"url": "https://git.kernel.org/stable/c/cb249f8c00f40dba83b7da8207ac14ca46e9ec9e"
},
{
"url": "https://git.kernel.org/stable/c/e5b681822cac1f8093759b02e16c06b2c64b6788"
},
{
"url": "https://git.kernel.org/stable/c/97b5593fd1b182b3fdb180b6bbe64ec09669988b"
},
{
"url": "https://git.kernel.org/stable/c/b80b19b32a432c9eee1cd200ef7aaddf608f54d1"
},
{
"url": "https://git.kernel.org/stable/c/d7339f2a3938fb56b5f28d53f5345900b5fa0e74"
},
{
"url": "https://git.kernel.org/stable/c/40d8abf364bcab23bc715a9221a3c8623956257b"
}
],
"title": "ACPI: CPPC: Avoid out of bounds access when parsing _CPC data",
"x_generator": {
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}
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"cveMetadata": {
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"cveId": "CVE-2022-49145",
"datePublished": "2025-02-26T01:55:14.355Z",
"dateReserved": "2025-02-26T01:49:39.270Z",
"dateUpdated": "2026-05-11T18:53:59.526Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
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"date": "2026-09-16",
"epss": "0.00276",
"percentile": "0.20075"
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Enlace de error: https://lore.kernel.org/lkml/20220322143534.GC32582@xsang-OptiPlex-9020/\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/acpi/cppc_acpi.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"337aadff8e4567e39669e07d9a88b789d78458b5\",\"lessThan\":\"b3f15609ffa521de12244cd6af24002030dda3f5\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"337aadff8e4567e39669e07d9a88b789d78458b5\",\"lessThan\":\"d208ea44e25b31db5a4d5e8c31df51787a3e9303\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"337aadff8e4567e39669e07d9a88b789d78458b5\",\"lessThan\":\"28d5387c1994f5e1e0d41b30a1f3dd6e1f609252\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"337aadff8e4567e39669e07d9a88b789d78458b5\",\"lessThan\":\"cb249f8c00f40dba83b7da8207ac14ca46e9ec9e\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"337aadff8e4567e39669e07d9a88b789d78458b5\",\"lessThan\":\"e5b681822cac1f8093759b02e16c06b2c64b6788\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"337aadff8e4567e39669e07d9a88b789d78458b5\",\"lessThan\":\"97b5593fd1b182b3fdb180b6bbe64ec09669988b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"337aadff8e4567e39669e07d9a88b789d78458b5\",\"lessThan\":\"b80b19b32a432c9eee1cd200ef7aaddf608f54d1\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"337aadff8e4567e39669e07d9a88b789d78458b5\",\"lessThan\":\"d7339f2a3938fb56b5f28d53f5345900b5fa0e74\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"337aadff8e4567e39669e07d9a88b789d78458b5\",\"lessThan\":\"40d8abf364bcab23bc715a9221a3c8623956257b\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/acpi/cppc_acpi.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.4\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.4\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.9.311\",\"lessThanOrEqual\":\"4.9.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.14.276\",\"lessThanOrEqual\":\"4.14.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.238\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.189\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.110\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.33\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.16.19\",\"lessThanOrEqual\":\"5.16.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.17.2\",\"lessThanOrEqual\":\"5.17.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.18\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H\",\"baseScore\":7.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.2}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.4\",\"versionEndExcluding\":\"4.9.311\",\"matchCriteriaId\":\"E3F614D1-DDF5-435C-9413-CDA9852F1F02\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.10\",\"versionEndExcluding\":\"4.14.276\",\"matchCriteriaId\":\"6D9B028C-6313-47F9-94B7-5F8122345E49\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.238\",\"matchCriteriaId\":\"FA28527A-11D3-41D2-9C4C-ECAC0D6A4A2D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.189\",\"matchCriteriaId\":\"8CB6E8F5-C2B1-46F3-A807-0F6104AC340F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.110\",\"matchCriteriaId\":\"91D3BFD0-D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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-29T21:00:00+00:00",
"cve": "CVE-2022-49145",
"id": "CVE-2022-49145",
"initial_release_date": "2022-01-01T00:00:00+00:00",
"product_status:fixed": "286",
"product_status:known_affected": "66",
"product_status:known_not_affected": "90",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: ACPI: CPPC: Avoid out of bounds access when parsing _CPC data",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49145.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-04T00:35:22Z",
"cve": "CVE-2022-49145",
"id": "CVE-2022-49145",
"initial_release_date": "2025-02-27T03:11:35Z",
"product_status:known_affected": "497",
"product_status:known_not_affected": "228",
"product_status:recommended": "436",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2022-49145",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49145.json",
"version": "75"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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