{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49309",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:08:31.536Z",
        "datePublished": "2025-02-26T02:10:40.167Z",
        "dateUpdated": "2026-08-12T23:58:24.178Z"
    },
    "containers": {
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            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-12T23:58:24.178Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers: staging: rtl8723bs: Fix deadlock in rtw_surveydone_event_callback()\n\nThere is a deadlock in rtw_surveydone_event_callback(),\nwhich is shown below:\n\n   (Thread 1)                  |      (Thread 2)\n                               | _set_timer()\nrtw_surveydone_event_callback()|  mod_timer()\n spin_lock_bh() //(1)          |  (wait a time)\n ...                           | rtw_scan_timeout_handler()\n del_timer_sync()              |  spin_lock_bh() //(2)\n (wait timer to stop)          |  ...\n\nWe hold pmlmepriv->lock in position (1) of thread 1 and use\ndel_timer_sync() to wait timer to stop, but timer handler\nalso need pmlmepriv->lock in position (2) of thread 2.\nAs a result, rtw_surveydone_event_callback() will block forever.\n\nThis patch extracts del_timer_sync() from the protection of\nspin_lock_bh(), which could let timer handler to obtain\nthe needed lock. What`s more, we change spin_lock_bh() in\nrtw_scan_timeout_handler() to spin_lock_irq(). Otherwise,\nspin_lock_bh() will also cause deadlock() in timer handler."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/staging/rtl8723bs/core/rtw_mlme.c"
                    ],
                    "versions": [
                        {
                            "version": "fb127a61c9d8dfd9b370ee173344d01711f3c698",
                            "lessThan": "c84e5c819600ee0628f61b33d145258ae0f3d7a7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fb127a61c9d8dfd9b370ee173344d01711f3c698",
                            "lessThan": "f89f6c3ebf69623b8ea48200bd690e9e210335a1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fb127a61c9d8dfd9b370ee173344d01711f3c698",
                            "lessThan": "ce129d3efd181da5fd56f4360cc8827122afa67e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fb127a61c9d8dfd9b370ee173344d01711f3c698",
                            "lessThan": "2c41f5c341853f84b7bc2f32605d4e2782e8c279",
                            "status": "affected",
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                        {
                            "version": "fb127a61c9d8dfd9b370ee173344d01711f3c698",
                            "lessThan": "cc7ad0d77b51c872d629bcd98aea463a3c4109e7",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/staging/rtl8723bs/core/rtw_mlme.c"
                    ],
                    "versions": [
                        {
                            "version": "5.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.10",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.237",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.47",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.15",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.4",
                            "lessThanOrEqual": "5.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
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                            "operator": "OR",
                            "negate": false,
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                                    "vulnerable": true,
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/c84e5c819600ee0628f61b33d145258ae0f3d7a7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f89f6c3ebf69623b8ea48200bd690e9e210335a1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ce129d3efd181da5fd56f4360cc8827122afa67e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2c41f5c341853f84b7bc2f32605d4e2782e8c279"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cc7ad0d77b51c872d629bcd98aea463a3c4109e7"
                }
            ],
            "title": "drivers: staging: rtl8723bs: Fix deadlock in rtw_surveydone_event_callback()",
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        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
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