{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49731",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:21:30.449Z",
        "datePublished": "2025-02-26T02:24:41.300Z",
        "dateUpdated": "2026-05-11T19:05:44.324Z"
    },
    "containers": {
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:05:44.324Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo()\n\nIn an unlikely (and probably wrong?) case that the 'ppi' parameter of\nata_host_alloc_pinfo() points to an array starting with a NULL pointer,\nthere's going to be a kernel oops as the 'pi' local variable won't get\nreassigned from the initial value of NULL. Initialize 'pi' instead to\n'&ata_dummy_port_info' to fix the possible kernel oops for good...\n\nFound by Linux Verification Center (linuxtesting.org) with the SVACE static\nanalysis tool."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/ata/libata-core.c"
                    ],
                    "versions": [
                        {
                            "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
                            "lessThan": "ca4693e6e06e4fd2b240c0fec47aa2498c94848e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
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                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
                            "lessThan": "a810bd5af06977a847d1f202b22d7defd5c62497",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
                            "lessThan": "253334f84c81bc6a43af489f108c0bddad989eef",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
                            "lessThan": "36cd19e7d4e5571d77a2ed20c5b6ef50cf57734a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
                            "lessThan": "ff128fbea720bf763fa345680dda5f050bc24a47",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
                            "lessThan": "07cbdb4807d369fbda73062a91b570c4dc5ec429",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
                            "lessThan": "bf476fe22aa1851bab4728e0c49025a6a0bea307",
                            "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/ata/libata-core.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.22",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.22",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.320",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.285",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.249",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.200",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.124",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.49",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.6",
                            "lessThanOrEqual": "5.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19",
                            "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": "2.6.22",
                                    "versionEndExcluding": "4.9.320"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.22",
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.22",
                                    "versionEndExcluding": "5.19"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ca4693e6e06e4fd2b240c0fec47aa2498c94848e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1ac5efee33f29e704226506d429b84575a5d66f8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a810bd5af06977a847d1f202b22d7defd5c62497"
                },
                {
                    "url": "https://git.kernel.org/stable/c/253334f84c81bc6a43af489f108c0bddad989eef"
                },
                {
                    "url": "https://git.kernel.org/stable/c/36cd19e7d4e5571d77a2ed20c5b6ef50cf57734a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ff128fbea720bf763fa345680dda5f050bc24a47"
                },
                {
                    "url": "https://git.kernel.org/stable/c/07cbdb4807d369fbda73062a91b570c4dc5ec429"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bf476fe22aa1851bab4728e0c49025a6a0bea307"
                }
            ],
            "title": "ata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo()",
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                "engine": "bippy-1.2.0"
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        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.5,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2022-49731",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2025-10-01T19:31:53.132246Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "cweId": "CWE-476",
                                "description": "CWE-476 NULL Pointer Dereference"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-10-01T19:36:43.656Z"
                }
            }
        ]
    }
}