{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49259",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T01:49:39.296Z",
        "datePublished": "2025-02-26T01:56:12.046Z",
        "dateUpdated": "2026-05-11T18:56:15.321Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T18:56:15.321Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: don't delete queue kobject before its children\n\nkobjects aren't supposed to be deleted before their child kobjects are\ndeleted.  Apparently this is usually benign; however, a WARN will be\ntriggered if one of the child kobjects has a named attribute group:\n\n    sysfs group 'modes' not found for kobject 'crypto'\n    WARNING: CPU: 0 PID: 1 at fs/sysfs/group.c:278 sysfs_remove_group+0x72/0x80\n    ...\n    Call Trace:\n      sysfs_remove_groups+0x29/0x40 fs/sysfs/group.c:312\n      __kobject_del+0x20/0x80 lib/kobject.c:611\n      kobject_cleanup+0xa4/0x140 lib/kobject.c:696\n      kobject_release lib/kobject.c:736 [inline]\n      kref_put include/linux/kref.h:65 [inline]\n      kobject_put+0x53/0x70 lib/kobject.c:753\n      blk_crypto_sysfs_unregister+0x10/0x20 block/blk-crypto-sysfs.c:159\n      blk_unregister_queue+0xb0/0x110 block/blk-sysfs.c:962\n      del_gendisk+0x117/0x250 block/genhd.c:610\n\nFix this by moving the kobject_del() and the corresponding\nkobject_uevent() to the correct place."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "block/blk-sysfs.c"
                    ],
                    "versions": [
                        {
                            "version": "2c2086afc2b8b974fac32cb028e73dc27bfae442",
                            "lessThan": "b2001eb10f59363da930cdd6e086a2861986fa18",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2c2086afc2b8b974fac32cb028e73dc27bfae442",
                            "lessThan": "84fe3ca6e7910beb47ec13509d484f84fa2a41ad",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2c2086afc2b8b974fac32cb028e73dc27bfae442",
                            "lessThan": "0b5924a14d64487ebd51127b0358d06066ef5384",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2c2086afc2b8b974fac32cb028e73dc27bfae442",
                            "lessThan": "efaa0e969261e97c1fdd8e0338e5dd3ba5b9219c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2c2086afc2b8b974fac32cb028e73dc27bfae442",
                            "lessThan": "cf0cb8686e55d9c022944bc6ba9e19e832889e83",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2c2086afc2b8b974fac32cb028e73dc27bfae442",
                            "lessThan": "3d7e32c8da45957326f56937e0471c686d1a7711",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2c2086afc2b8b974fac32cb028e73dc27bfae442",
                            "lessThan": "0f69288253e9fc7c495047720e523b9f1aba5712",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "block/blk-sysfs.c"
                    ],
                    "versions": [
                        {
                            "version": "4.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.16",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.238",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.189",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.110",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.33",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.16.19",
                            "lessThanOrEqual": "5.16.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.2",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18",
                            "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": "4.16",
                                    "versionEndExcluding": "4.19.238"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.16",
                                    "versionEndExcluding": "5.4.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.16",
                                    "versionEndExcluding": "5.10.110"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.16",
                                    "versionEndExcluding": "5.15.33"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.16",
                                    "versionEndExcluding": "5.16.19"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.16",
                                    "versionEndExcluding": "5.17.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.16",
                                    "versionEndExcluding": "5.18"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/b2001eb10f59363da930cdd6e086a2861986fa18"
                },
                {
                    "url": "https://git.kernel.org/stable/c/84fe3ca6e7910beb47ec13509d484f84fa2a41ad"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0b5924a14d64487ebd51127b0358d06066ef5384"
                },
                {
                    "url": "https://git.kernel.org/stable/c/efaa0e969261e97c1fdd8e0338e5dd3ba5b9219c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cf0cb8686e55d9c022944bc6ba9e19e832889e83"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3d7e32c8da45957326f56937e0471c686d1a7711"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0f69288253e9fc7c495047720e523b9f1aba5712"
                }
            ],
            "title": "block: don't delete queue kobject before its children",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
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    }
}