cve-2024-40977
Vulnerability from cvelistv5
Published
2024-07-12 12:32
Modified
2024-11-05 09:34
Severity ?
Summary
wifi: mt76: mt7921s: fix potential hung tasks during chip recovery
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website


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                "id": "CVE-2024-40977",
                "options": [
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                    "Exploitation": "none"
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                    "Automatable": "no"
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            "drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c",
            "drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7921s: fix potential hung tasks during chip recovery\n\nDuring chip recovery (e.g. chip reset), there is a possible situation that\nkernel worker reset_work is holding the lock and waiting for kernel thread\nstat_worker to be parked, while stat_worker is waiting for the release of\nthe same lock.\nIt causes a deadlock resulting in the dumping of hung tasks messages and\npossible rebooting of the device.\n\nThis patch prevents the execution of stat_worker during the chip recovery."
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    "dateReserved": "2024-07-12T12:17:45.603Z",
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}


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