CVE-2023-52509 (GCVE-0-2023-52509)
Vulnerability from cvelistv5
Published
2024-03-02 21:52
Modified
2025-05-04 07:38
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ravb: Fix use-after-free issue in ravb_tx_timeout_work() The ravb_stop() should call cancel_work_sync(). Otherwise, ravb_tx_timeout_work() is possible to use the freed priv after ravb_remove() was called like below: CPU0 CPU1 ravb_tx_timeout() ravb_remove() unregister_netdev() free_netdev(ndev) // free priv ravb_tx_timeout_work() // use priv unregister_netdev() will call .ndo_stop() so that ravb_stop() is called. And, after phy_stop() is called, netif_carrier_off() is also called. So that .ndo_tx_timeout() will not be called after phy_stop().
References
Impacted products
Vendor Product Version
Linux Linux Version: c156633f1353264634135dea86ffcae74f2122fc
Version: c156633f1353264634135dea86ffcae74f2122fc
Version: c156633f1353264634135dea86ffcae74f2122fc
Version: c156633f1353264634135dea86ffcae74f2122fc
Version: c156633f1353264634135dea86ffcae74f2122fc
Version: c156633f1353264634135dea86ffcae74f2122fc
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}


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