{
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    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2022-47939",
        "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "assignerShortName": "mitre",
        "dateUpdated": "2025-04-14T18:38:27.723Z",
        "dateReserved": "2022-12-23T00:00:00.000Z",
        "datePublished": "2022-12-23T00:00:00.000Z"
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    "containers": {
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                "dateUpdated": "2023-03-30T22:01:10.075Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2_TREE_DISCONNECT."
                }
            ],
            "affected": [
                {
                    "vendor": "n/a",
                    "product": "n/a",
                    "versions": [
                        {
                            "version": "n/a",
                            "status": "affected"
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            "references": [
                {
                    "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2"
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                {
                    "url": "https://github.com/torvalds/linux/commit/cf6531d98190fa2cf92a6d8bbc8af0a4740a223c"
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                {
                    "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf6531d98190fa2cf92a6d8bbc8af0a4740a223c"
                },
                {
                    "url": "http://www.openwall.com/lists/oss-security/2022/12/23/10"
                },
                {
                    "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-1690/"
                },
                {
                    "url": "https://www.secpod.com/blog/zero-day-server-message-block-smb-server-in-linux-kernel-5-15-has-a-critical-vulnerability-patch-ksmbd-immediately/"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "text",
                            "lang": "en",
                            "description": "n/a"
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                    ]
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                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T15:02:36.591Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2",
                        "tags": [
                            "x_transferred"
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                    {
                        "url": "https://github.com/torvalds/linux/commit/cf6531d98190fa2cf92a6d8bbc8af0a4740a223c",
                        "tags": [
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                    {
                        "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf6531d98190fa2cf92a6d8bbc8af0a4740a223c",
                        "tags": [
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                        "tags": [
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                    {
                        "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-1690/",
                        "tags": [
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                    {
                        "url": "https://www.secpod.com/blog/zero-day-server-message-block-smb-server-in-linux-kernel-5-15-has-a-critical-vulnerability-patch-ksmbd-immediately/",
                        "tags": [
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                ]
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            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-416",
                                "lang": "en",
                                "description": "CWE-416 Use After Free"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 9.8,
                            "attackVector": "NETWORK",
                            "baseSeverity": "CRITICAL",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-04-14T18:38:17.876348Z",
                                "id": "CVE-2022-47939",
                                "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": "2025-04-14T18:38:27.723Z"
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}