{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50372",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-17T14:53:06.995Z",
        "datePublished": "2025-09-17T14:56:27.577Z",
        "dateUpdated": "2026-05-11T19:18:16.908Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:18:16.908Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Fix memory leak when build ntlmssp negotiate blob failed\n\nThere is a memory leak when mount cifs:\n  unreferenced object 0xffff888166059600 (size 448):\n    comm \"mount.cifs\", pid 51391, jiffies 4295596373 (age 330.596s)\n    hex dump (first 32 bytes):\n      fe 53 4d 42 40 00 00 00 00 00 00 00 01 00 82 00  .SMB@...........\n      00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    backtrace:\n      [<0000000060609a61>] mempool_alloc+0xe1/0x260\n      [<00000000adfa6c63>] cifs_small_buf_get+0x24/0x60\n      [<00000000ebb404c7>] __smb2_plain_req_init+0x32/0x460\n      [<00000000bcf875b4>] SMB2_sess_alloc_buffer+0xa4/0x3f0\n      [<00000000753a2987>] SMB2_sess_auth_rawntlmssp_negotiate+0xf5/0x480\n      [<00000000f0c1f4f9>] SMB2_sess_setup+0x253/0x410\n      [<00000000a8b83303>] cifs_setup_session+0x18f/0x4c0\n      [<00000000854bd16d>] cifs_get_smb_ses+0xae7/0x13c0\n      [<000000006cbc43d9>] mount_get_conns+0x7a/0x730\n      [<000000005922d816>] cifs_mount+0x103/0xd10\n      [<00000000e33def3b>] cifs_smb3_do_mount+0x1dd/0xc90\n      [<0000000078034979>] smb3_get_tree+0x1d5/0x300\n      [<000000004371f980>] vfs_get_tree+0x41/0xf0\n      [<00000000b670d8a7>] path_mount+0x9b3/0xdd0\n      [<000000005e839a7d>] __x64_sys_mount+0x190/0x1d0\n      [<000000009404c3b9>] do_syscall_64+0x35/0x80\n\nWhen build ntlmssp negotiate blob failed, the session setup request\nshould be freed."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/cifs/smb2pdu.c"
                    ],
                    "versions": [
                        {
                            "version": "49bd49f983b5026e4557d31c5d737d9657c4113e",
                            "lessThan": "fa5a70bdd5e565c8696fb04dfe18a4e8aff4695d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "49bd49f983b5026e4557d31c5d737d9657c4113e",
                            "lessThan": "30b2d7f8f13664655480d6af45f60270b3eb6736",
                            "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/cifs/smb2pdu.c"
                    ],
                    "versions": [
                        {
                            "version": "5.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.16",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.6",
                            "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": "5.16",
                                    "versionEndExcluding": "6.0.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/fa5a70bdd5e565c8696fb04dfe18a4e8aff4695d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/30b2d7f8f13664655480d6af45f60270b3eb6736"
                }
            ],
            "title": "cifs: Fix memory leak when build ntlmssp negotiate blob failed",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.5,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2022-50372",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-01-14T18:36:31.603396Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "cweId": "CWE-401",
                                "description": "CWE-401 Missing Release of Memory after Effective Lifetime"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-01-14T18:43:00.339Z"
                }
            }
        ]
    }
}