{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49145",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T01:49:39.270Z",
        "datePublished": "2025-02-26T01:55:14.355Z",
        "dateUpdated": "2026-05-11T18:53:59.526Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T18:53:59.526Z"
            },
            "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/"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/acpi/cppc_acpi.c"
                    ],
                    "versions": [
                        {
                            "version": "337aadff8e4567e39669e07d9a88b789d78458b5",
                            "lessThan": "b3f15609ffa521de12244cd6af24002030dda3f5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "337aadff8e4567e39669e07d9a88b789d78458b5",
                            "lessThan": "d208ea44e25b31db5a4d5e8c31df51787a3e9303",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "337aadff8e4567e39669e07d9a88b789d78458b5",
                            "lessThan": "28d5387c1994f5e1e0d41b30a1f3dd6e1f609252",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "337aadff8e4567e39669e07d9a88b789d78458b5",
                            "lessThan": "cb249f8c00f40dba83b7da8207ac14ca46e9ec9e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "337aadff8e4567e39669e07d9a88b789d78458b5",
                            "lessThan": "e5b681822cac1f8093759b02e16c06b2c64b6788",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "337aadff8e4567e39669e07d9a88b789d78458b5",
                            "lessThan": "97b5593fd1b182b3fdb180b6bbe64ec09669988b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "337aadff8e4567e39669e07d9a88b789d78458b5",
                            "lessThan": "b80b19b32a432c9eee1cd200ef7aaddf608f54d1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "337aadff8e4567e39669e07d9a88b789d78458b5",
                            "lessThan": "d7339f2a3938fb56b5f28d53f5345900b5fa0e74",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "337aadff8e4567e39669e07d9a88b789d78458b5",
                            "lessThan": "40d8abf364bcab23bc715a9221a3c8623956257b",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/acpi/cppc_acpi.c"
                    ],
                    "versions": [
                        {
                            "version": "4.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.311",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.276",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.238",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.189",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.110",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.33",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.16.19",
                            "lessThanOrEqual": "5.16.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.2",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4",
                                    "versionEndExcluding": "4.9.311"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4",
                                    "versionEndExcluding": "4.14.276"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4",
                                    "versionEndExcluding": "4.19.238"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4",
                                    "versionEndExcluding": "5.4.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4",
                                    "versionEndExcluding": "5.10.110"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4",
                                    "versionEndExcluding": "5.15.33"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4",
                                    "versionEndExcluding": "5.16.19"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4",
                                    "versionEndExcluding": "5.17.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4",
                                    "versionEndExcluding": "5.18"
                                }
                            ]
                        }
                    ]
                }
            ],
            "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",
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}