{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50250",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-15T13:58:00.973Z",
        "datePublished": "2025-09-15T14:02:10.117Z",
        "dateUpdated": "2026-05-23T15:23:56.160Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:23:56.160Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: core: fix use_count leakage when handling boot-on\n\nI found a use_count leakage towards supply regulator of rdev with\nboot-on option.\n\n┌───────────────────┐           ┌───────────────────┐\n│  regulator_dev A  │           │  regulator_dev B  │\n│     (boot-on)     │           │     (boot-on)     │\n│    use_count=0    │◀──supply──│    use_count=1    │\n│                   │           │                   │\n└───────────────────┘           └───────────────────┘\n\nIn case of rdev(A) configured with `regulator-boot-on', the use_count\nof supplying regulator(B) will increment inside\nregulator_enable(rdev->supply).\n\nThus, B will acts like always-on, and further balanced\nregulator_enable/disable cannot actually disable it anymore.\n\nHowever, B was also configured with `regulator-boot-on', we wish it\ncould be disabled afterwards."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/regulator/core.c"
                    ],
                    "versions": [
                        {
                            "version": "dc1b1d7faf616ed663d0bba9be5abb4d1ed35d01",
                            "lessThan": "dc3391d49479bc2bf8a2b88dbf86fdd800882fee",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f44b07472f29ae313ce875dc7b9c75b100c608b8",
                            "lessThan": "5bfc53df288e8ea54ca6866fb92034214940183f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "089b3f61ecfc43ca4ea26d595e1d31ead6de3f7b",
                            "lessThan": "4b737246ff50f810d6ab4be13c1388a07f0c14b1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "089b3f61ecfc43ca4ea26d595e1d31ead6de3f7b",
                            "lessThan": "feb847e6591e8c7a09cc39721cc9ca74fd9a5d80",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "089b3f61ecfc43ca4ea26d595e1d31ead6de3f7b",
                            "lessThan": "4dd6e1cc9c7403f1ee1b7eee85bc31b797ae8347",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "089b3f61ecfc43ca4ea26d595e1d31ead6de3f7b",
                            "lessThan": "bc6c381df5793ebcf32db88a3e65acf7870379fc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "089b3f61ecfc43ca4ea26d595e1d31ead6de3f7b",
                            "lessThan": "0591b14ce0398125439c759f889647369aa616a0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4.19.226",
                            "lessThan": "4.19.270",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.7",
                            "lessThan": "5.4.229",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/regulator/core.c"
                    ],
                    "versions": [
                        {
                            "version": "5.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.5",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.270",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.229",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.163",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.86",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.16",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.2",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
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                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/dc3391d49479bc2bf8a2b88dbf86fdd800882fee"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5bfc53df288e8ea54ca6866fb92034214940183f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4b737246ff50f810d6ab4be13c1388a07f0c14b1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/feb847e6591e8c7a09cc39721cc9ca74fd9a5d80"
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                    "url": "https://git.kernel.org/stable/c/4dd6e1cc9c7403f1ee1b7eee85bc31b797ae8347"
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                {
                    "url": "https://git.kernel.org/stable/c/bc6c381df5793ebcf32db88a3e65acf7870379fc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0591b14ce0398125439c759f889647369aa616a0"
                }
            ],
            "title": "regulator: core: fix use_count leakage when handling boot-on",
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}