{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49821",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-05-01T14:05:17.227Z",
        "datePublished": "2025-05-01T14:09:42.901Z",
        "dateUpdated": "2026-05-11T19:07:25.318Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:07:25.318Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmISDN: fix possible memory leak in mISDN_dsp_element_register()\n\nAfer commit 1fa5ae857bb1 (\"driver core: get rid of struct device's\nbus_id string array\"), the name of device is allocated dynamically,\nuse put_device() to give up the reference, so that the name can be\nfreed in kobject_cleanup() when the refcount is 0.\n\nThe 'entry' is going to be freed in mISDN_dsp_dev_release(), so the\nkfree() is removed. list_del() is called in mISDN_dsp_dev_release(),\nso it need be initialized."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/isdn/mISDN/dsp_pipeline.c"
                    ],
                    "versions": [
                        {
                            "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
                            "lessThan": "bbd53d05c4c892080ef3b617eff4f57903acecb9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
                            "lessThan": "b119bedbefb7dd9ed8bf8cb9f1056504250d610e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
                            "lessThan": "727ed7d28348c026c7ef4d852f3d0e5054d376e8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
                            "lessThan": "0f2c681900a01e3f23789bca26d88268c3d5b51d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
                            "lessThan": "083a2c9ef82e184bdf0b9f9a1e5fc38d32afbb47",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
                            "lessThan": "7a05e3929668c8cfef495c69752a9e91fac4878f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
                            "lessThan": "d4b8394725079670be309f9a35ad88a8cbbaaefd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1fa5ae857bb14f6046205171d98506d8112dd74e",
                            "lessThan": "98a2ac1ca8fd6eca6867726fe238d06e75eb1acd",
                            "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/isdn/mISDN/dsp_pipeline.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.30",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.30",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.334",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.300",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.267",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.225",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.156",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.80",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.10",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "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": "2.6.30",
                                    "versionEndExcluding": "4.9.334"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.30",
                                    "versionEndExcluding": "4.14.300"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.30",
                                    "versionEndExcluding": "4.19.267"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.30",
                                    "versionEndExcluding": "5.4.225"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.30",
                                    "versionEndExcluding": "5.10.156"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.30",
                                    "versionEndExcluding": "5.15.80"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.30",
                                    "versionEndExcluding": "6.0.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.30",
                                    "versionEndExcluding": "6.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/bbd53d05c4c892080ef3b617eff4f57903acecb9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b119bedbefb7dd9ed8bf8cb9f1056504250d610e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/727ed7d28348c026c7ef4d852f3d0e5054d376e8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0f2c681900a01e3f23789bca26d88268c3d5b51d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/083a2c9ef82e184bdf0b9f9a1e5fc38d32afbb47"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7a05e3929668c8cfef495c69752a9e91fac4878f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d4b8394725079670be309f9a35ad88a8cbbaaefd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/98a2ac1ca8fd6eca6867726fe238d06e75eb1acd"
                }
            ],
            "title": "mISDN: fix possible memory leak in mISDN_dsp_element_register()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}