{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49748",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-03-27T16:39:17.987Z",
        "datePublished": "2025-03-27T16:42:57.784Z",
        "dateUpdated": "2026-05-23T15:22:50.749Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:22:50.749Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf/x86/amd: fix potential integer overflow on shift of a int\n\nThe left shift of int 32 bit integer constant 1 is evaluated using 32 bit\narithmetic and then passed as a 64 bit function argument. In the case where\ni is 32 or more this can lead to an overflow.  Avoid this by shifting\nusing the BIT_ULL macro instead."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/events/amd/core.c"
                    ],
                    "versions": [
                        {
                            "version": "d8a6a443ff0aea5893f0a7f2726973b496b76420",
                            "lessThan": "fbf7b0e4cef3b5470b610f14fb9faa5ee7f63954",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "471af006a747f1c535c8a8c6c0973c320fe01b22",
                            "lessThan": "f84c9b72fb200633774704d8020f769c88a4b249",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "471af006a747f1c535c8a8c6c0973c320fe01b22",
                            "lessThan": "14cc13e433e1067557435b1adbf05608d7d47a93",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "471af006a747f1c535c8a8c6c0973c320fe01b22",
                            "lessThan": "a4d01fb87ece45d4164fd725890211ccf9a307a9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "471af006a747f1c535c8a8c6c0973c320fe01b22",
                            "lessThan": "08245672cdc6505550d1a5020603b0a8d4a6dcc7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3512462036dbe44d88e93e75ee8a993781183ddb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.4.22",
                            "lessThan": "5.4.231",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.5.6",
                            "lessThan": "5.6",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/events/amd/core.c"
                    ],
                    "versions": [
                        {
                            "version": "5.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.231",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.166",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.91",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.9",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "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": "5.4.22",
                                    "versionEndExcluding": "5.4.231"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "5.10.166"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "5.15.91"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.1.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5.6"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/fbf7b0e4cef3b5470b610f14fb9faa5ee7f63954"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f84c9b72fb200633774704d8020f769c88a4b249"
                },
                {
                    "url": "https://git.kernel.org/stable/c/14cc13e433e1067557435b1adbf05608d7d47a93"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a4d01fb87ece45d4164fd725890211ccf9a307a9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/08245672cdc6505550d1a5020603b0a8d4a6dcc7"
                }
            ],
            "title": "perf/x86/amd: fix potential integer overflow on shift of a int",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-190",
                                "lang": "en",
                                "description": "CWE-190 Integer Overflow or Wraparound"
                            }
                        ]
                    }
                ],
                "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": {
                                "timestamp": "2025-10-01T17:23:38.004025Z",
                                "id": "CVE-2022-49748",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-10-01T17:23:40.578Z"
                }
            }
        ]
    }
}