{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50496",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-10-04T15:39:19.464Z",
        "datePublished": "2025-10-04T15:43:47.948Z",
        "dateUpdated": "2026-05-11T19:20:34.603Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:20:34.603Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm cache: Fix UAF in destroy()\n\nDm_cache also has the same UAF problem when dm_resume()\nand dm_destroy() are concurrent.\n\nTherefore, cancelling timer again in destroy()."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/dm-cache-target.c"
                    ],
                    "versions": [
                        {
                            "version": "c6b4fcbad044e6fffcc75bba160e720eb8d67d17",
                            "lessThan": "034cbc8d3b47a56acd89453c29632a9c117de09d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c6b4fcbad044e6fffcc75bba160e720eb8d67d17",
                            "lessThan": "993406104d2b28fe470126a062ad37a1e21e792e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c6b4fcbad044e6fffcc75bba160e720eb8d67d17",
                            "lessThan": "4d20032dd90664de09f2902a7ea49ae2f7771746",
                            "status": "affected",
                            "versionType": "git"
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                        {
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                            "lessThan": "2f097dfac7579fd84ff98eb1d3acd41d53a485f3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c6b4fcbad044e6fffcc75bba160e720eb8d67d17",
                            "lessThan": "2b17026685a270b2beaf1cdd9857fcedd3505c7e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c6b4fcbad044e6fffcc75bba160e720eb8d67d17",
                            "lessThan": "d2a0b298ebf83ab6236f66788a3541e91ce75a70",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c6b4fcbad044e6fffcc75bba160e720eb8d67d17",
                            "lessThan": "6ac4f36910764cb510bafc4c3768544f86ca48ca",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c6b4fcbad044e6fffcc75bba160e720eb8d67d17",
                            "lessThan": "6a3e412c2ab131c54945327a7676b006f000a209",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c6b4fcbad044e6fffcc75bba160e720eb8d67d17",
                            "lessThan": "6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa",
                            "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/md/dm-cache-target.c"
                    ],
                    "versions": [
                        {
                            "version": "3.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.337",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.303",
                            "lessThanOrEqual": "4.14.*",
                            "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": "5.15.87",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.18",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.4",
                            "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": "3.9",
                                    "versionEndExcluding": "4.9.337"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "4.14.303"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "4.19.270"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
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                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "6.1.4"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.9",
                                    "versionEndExcluding": "6.2"
                                }
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                    ]
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/034cbc8d3b47a56acd89453c29632a9c117de09d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/993406104d2b28fe470126a062ad37a1e21e792e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4d20032dd90664de09f2902a7ea49ae2f7771746"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2f097dfac7579fd84ff98eb1d3acd41d53a485f3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2b17026685a270b2beaf1cdd9857fcedd3505c7e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d2a0b298ebf83ab6236f66788a3541e91ce75a70"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6ac4f36910764cb510bafc4c3768544f86ca48ca"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6a3e412c2ab131c54945327a7676b006f000a209"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa"
                }
            ],
            "title": "dm cache: Fix UAF in destroy()",
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                "engine": "bippy-1.2.0"
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        }
    }
}