{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49498",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:08:31.586Z",
        "datePublished": "2025-02-26T02:13:32.895Z",
        "dateUpdated": "2026-05-11T19:01:04.786Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:01:04.786Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: pcm: Check for null pointer of pointer substream before dereferencing it\n\nPointer substream is being dereferenced on the assignment of pointer card\nbefore substream is being null checked with the macro PCM_RUNTIME_CHECK.\nAlthough PCM_RUNTIME_CHECK calls BUG_ON, it still is useful to perform the\nthe pointer check before card is assigned."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/core/pcm_memory.c"
                    ],
                    "versions": [
                        {
                            "version": "95b30a4312545f2dde9db12bf6a425f35d5a0d77",
                            "lessThan": "b2421a196cb0911ea95aec1050a0b830464c8fa6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d4cfb30fce03093ad944e0b44bd8f40bdad5330e",
                            "lessThan": "f2c68c52898f623fe84518da4606538d193b0cca",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d4cfb30fce03093ad944e0b44bd8f40bdad5330e",
                            "lessThan": "7784d22f81a29df2ec57ca90d54f93a35cbcd1a2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d4cfb30fce03093ad944e0b44bd8f40bdad5330e",
                            "lessThan": "1f2e28857be1e5c7db39bbc221332215fc5467e3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d4cfb30fce03093ad944e0b44bd8f40bdad5330e",
                            "lessThan": "b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d4cfb30fce03093ad944e0b44bd8f40bdad5330e",
                            "lessThan": "011b559be832194f992f73d6c0d5485f5925a10b",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/core/pcm_memory.c"
                    ],
                    "versions": [
                        {
                            "version": "5.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.121",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.46",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.14",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.3",
                            "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": "5.6",
                                    "versionEndExcluding": "5.10.121"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "5.15.46"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "5.17.14"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "5.18.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "5.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/b2421a196cb0911ea95aec1050a0b830464c8fa6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f2c68c52898f623fe84518da4606538d193b0cca"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7784d22f81a29df2ec57ca90d54f93a35cbcd1a2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1f2e28857be1e5c7db39bbc221332215fc5467e3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123"
                },
                {
                    "url": "https://git.kernel.org/stable/c/011b559be832194f992f73d6c0d5485f5925a10b"
                }
            ],
            "title": "ALSA: pcm: Check for null pointer of pointer substream before dereferencing it",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "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-2022-49498",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2025-10-01T19:38:39.304232Z"
                            }
                        }
                    }
                ],
                "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": "2025-10-01T19:46:43.194Z"
                }
            }
        ]
    }
}