{"id":"CVE-2021-47236","state":"PUBLISHED","title":"net: cdc_eem: fix tx fixup skb leak","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: cdc_eem: fix tx fixup skb leak\n\nwhen usbnet transmit a skb, eem fixup it in eem_tx_fixup(),\nif skb_copy_expand() failed, it return NULL,\nusbnet_start_xmit() will have no chance to free original skb.\n\nfix it by free orginal skb in eem_tx_fixup() first,\nthen check skb clone status, if failed, return NULL to usbnet.","publishedAt":"2024-05-21T14:19:37.724Z","updatedAt":"2026-05-11T13:50:35.712Z","severity":null,"assigner":"Linux","products":["Linux 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