https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-08T17:49:17.926316+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2021-47236 CVE-2021-47236 — net: cdc_eem: fix tx fixup skb leak 2026-10-08T17:49:17.927867+00:00

Affected: Linux

In the Linux kernel, the following vulnerability has been resolved:

net: cdc_eem: fix tx fixup skb leak

when usbnet transmit a skb, eem fixup it in eem_tx_fixup(), if skb_copy_expand() failed, it return NULL, usbnet_start_xmit() will have no chance to free original skb.

fix it by free orginal skb in eem_tx_fixup() first, then check skb clone status, if failed, return NULL to usbnet.