{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50076",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-06-18T10:57:27.408Z",
        "datePublished": "2025-06-18T11:02:19.514Z",
        "dateUpdated": "2026-05-23T15:23:39.604Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:23:39.604Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Fix memory leak on the deferred close\n\nxfstests on smb21 report kmemleak as below:\n\n  unreferenced object 0xffff8881767d6200 (size 64):\n    comm \"xfs_io\", pid 1284, jiffies 4294777434 (age 20.789s)\n    hex dump (first 32 bytes):\n      80 5a d0 11 81 88 ff ff 78 8a aa 63 81 88 ff ff  .Z......x..c....\n      00 71 99 76 81 88 ff ff 00 00 00 00 00 00 00 00  .q.v............\n    backtrace:\n      [<00000000ad04e6ea>] cifs_close+0x92/0x2c0\n      [<0000000028b93c82>] __fput+0xff/0x3f0\n      [<00000000d8116851>] task_work_run+0x85/0xc0\n      [<0000000027e14f9e>] do_exit+0x5e5/0x1240\n      [<00000000fb492b95>] do_group_exit+0x58/0xe0\n      [<00000000129a32d9>] __x64_sys_exit_group+0x28/0x30\n      [<00000000e3f7d8e9>] do_syscall_64+0x35/0x80\n      [<00000000102e8a0b>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nWhen cancel the deferred close work, we should also cleanup the struct\ncifs_deferred_close."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/cifs/misc.c"
                    ],
                    "versions": [
                        {
                            "version": "9e992755be8f2d458a0bcbefd19e493483c1dba2",
                            "lessThan": "860efae127888ae535bc4eda1b7f27642727c69e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9e992755be8f2d458a0bcbefd19e493483c1dba2",
                            "lessThan": "60b6d38add7b9c17d6e5d49ee8e930ea1a5650c5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9e992755be8f2d458a0bcbefd19e493483c1dba2",
                            "lessThan": "ca08d0eac020d48a3141dbec0a3cf64fbdb17cde",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0ca6ac8a2691762307beaa4841255d1cfe6b2684",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.13.12",
                            "lessThan": "5.14",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/cifs/misc.c"
                    ],
                    "versions": [
                        {
                            "version": "5.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.63",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19.4",
                            "lessThanOrEqual": "5.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0",
                            "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": "5.14",
                                    "versionEndExcluding": "5.15.63"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "5.19.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "6.0"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13.12"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/860efae127888ae535bc4eda1b7f27642727c69e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/60b6d38add7b9c17d6e5d49ee8e930ea1a5650c5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ca08d0eac020d48a3141dbec0a3cf64fbdb17cde"
                }
            ],
            "title": "cifs: Fix memory leak on the deferred close",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}