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CVE-2024-39502 is a use-after-free condition in the Linux kernel Ionic network-driver queue-control path. Following queue reconfiguration, a queue's NAPI instance can be removed with netif_napi_del(). The driver subsequently uses the NAPI poll callback pointer to determine whether NAPI should be enabled. Because netif_napi_del() does not clear that pointer, ionic_qcq_enable() can incorrectly call napi_enable() on an unregistered NAPI instance. This triggers a kernel BUG in napi_enable() and represents invalid use of NAPI state after deletion.
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Linux kernel Ionic network-driver use-after-free after netif_napi_del().
Linux kernel Ionic network-driver use-after-free vulnerability after netif_napi_del().
Linux kernel ionic driver use-after-free issue associated with netif_napi_del().
Linux kernel Ionic network-driver use-after-free vulnerability related to netif_napi_del().
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.