{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-50086",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-10-21T19:36:19.942Z",
        "datePublished": "2024-10-29T00:50:29.284Z",
        "dateUpdated": "2024-10-29T00:50:29.284Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-10-29T00:50:29.284Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix user-after-free from session log off\n\nThere is racy issue between smb2 session log off and smb2 session setup.\nIt will cause user-after-free from session log off.\nThis add session_lock when setting SMB2_SESSION_EXPIRED and referece\ncount to session struct not to free session while it is being used."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/smb/server/mgmt/user_session.c",
                        "fs/smb/server/mgmt/user_session.h",
                        "fs/smb/server/server.c",
                        "fs/smb/server/smb2pdu.c"
                    ],
                    "versions": [
                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "a9839c37fd81",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "5511999e9615",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "ee371898b53a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1da177e4c3f4",
                            "lessThan": "7aa8804c0b67",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/smb/server/mgmt/user_session.c",
                        "fs/smb/server/mgmt/user_session.h",
                        "fs/smb/server/server.c",
                        "fs/smb/server/smb2pdu.c"
                    ],
                    "versions": [
                        {
                            "version": "6.1.114",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.58",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.11.5",
                            "lessThanOrEqual": "6.11.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.12-rc4",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/a9839c37fd813b432988f58a9d9dd59253d3eb2c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5511999e9615e4318e9142d23b29bd1597befc08"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ee371898b53a9b9b51c02d22a8c31bfb86d45f0d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7aa8804c0b67b3cb263a472d17f2cb50d7f1a930"
                }
            ],
            "title": "ksmbd: fix user-after-free from session log off",
            "x_generator": {
                "engine": "bippy-c9c4e1df01b2"
            }
        }
    }
}