{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49968",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-06-18T10:57:27.384Z",
        "datePublished": "2025-06-18T11:00:32.443Z",
        "dateUpdated": "2026-05-23T15:23:25.035Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:23:25.035Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nieee802154/adf7242: defer destroy_workqueue call\n\nThere is a possible race condition (use-after-free) like below\n\n  (FREE)                     |  (USE)\n  adf7242_remove             |  adf7242_channel\n   cancel_delayed_work_sync  |\n    destroy_workqueue (1)    |   adf7242_cmd_rx\n                             |    mod_delayed_work (2)\n                             |\n\nThe root cause for this race is that the upper layer (ieee802154) is\nunaware of this detaching event and the function adf7242_channel can\nbe called without any checks.\n\nTo fix this, we can add a flag write at the beginning of adf7242_remove\nand add flag check in adf7242_channel. Or we can just defer the\ndestructive operation like other commit 3e0588c291d6 (\"hamradio: defer\nax25 kfree after unregister_netdev\") which let the\nieee802154_unregister_hw() to handle the synchronization. This patch\ntakes the second option.\n\nruns\")"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ieee802154/adf7242.c"
                    ],
                    "versions": [
                        {
                            "version": "58e9683d14752debc6f22daf6b23e031787df31f",
                            "lessThan": "dede80aaf01f4b6e8657d23726cb4a3da226ec4c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "58e9683d14752debc6f22daf6b23e031787df31f",
                            "lessThan": "bed12d7531df1417fc92c691999ff95e03835008",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "58e9683d14752debc6f22daf6b23e031787df31f",
                            "lessThan": "23a29932715ca43bceb2eae1bdb770995afe7271",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "58e9683d14752debc6f22daf6b23e031787df31f",
                            "lessThan": "9f8558c5c642c62c450c98c99b7d18a709fff485",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "58e9683d14752debc6f22daf6b23e031787df31f",
                            "lessThan": "15f3b89bd521d5770d36a61fc04a77c293138ba6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "58e9683d14752debc6f22daf6b23e031787df31f",
                            "lessThan": "afe7116f6d3b888778ed6d95e3cf724767b9aedf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a2363e2d88bf50022ee643c49ee5d4f7e8c915ea",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4.17.19",
                            "lessThan": "4.18",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ieee802154/adf7242.c"
                    ],
                    "versions": [
                        {
                            "version": "4.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.258",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.213",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.142",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.66",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19.8",
                            "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": "4.18",
                                    "versionEndExcluding": "4.19.258"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.18",
                                    "versionEndExcluding": "5.4.213"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.18",
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                                },
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.18",
                                    "versionEndExcluding": "5.19.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.18",
                                    "versionEndExcluding": "6.0"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.17.19"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/dede80aaf01f4b6e8657d23726cb4a3da226ec4c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bed12d7531df1417fc92c691999ff95e03835008"
                },
                {
                    "url": "https://git.kernel.org/stable/c/23a29932715ca43bceb2eae1bdb770995afe7271"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9f8558c5c642c62c450c98c99b7d18a709fff485"
                },
                {
                    "url": "https://git.kernel.org/stable/c/15f3b89bd521d5770d36a61fc04a77c293138ba6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/afe7116f6d3b888778ed6d95e3cf724767b9aedf"
                }
            ],
            "title": "ieee802154/adf7242: defer destroy_workqueue call",
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}