cve-2024-38630
Vulnerability from cvelistv5
Published
2024-06-21 10:18
Modified
2024-10-12 13:03
Severity ?
Summary
watchdog: cpu5wdt.c: Fix use-after-free bug caused by cpu5wdt_trigger
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwatchdog: cpu5wdt.c: Fix use-after-free bug caused by cpu5wdt_trigger\n\nWhen the cpu5wdt module is removing, the origin code uses del_timer() to\nde-activate the timer. If the timer handler is running, del_timer() could\nnot stop it and will return directly. If the port region is released by\nrelease_region() and then the timer handler cpu5wdt_trigger() calls outb()\nto write into the region that is released, the use-after-free bug will\nhappen.\n\nChange del_timer() to timer_shutdown_sync() in order that the timer handler\ncould be finished before the port region is released."
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    "datePublished": "2024-06-21T10:18:20.892Z",
    "dateReserved": "2024-06-18T19:36:34.947Z",
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