https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 06:32:05 +0000 https://vulnerability.circl.lu/vuln/cve-2026-74678 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>net: usb: ax88179_178a: fix skb leak in ax88179_tx_fixup()</p> <p>When the interface has NETIF_F_SG enabled and skb_linearize() fails in ax88179_tx_fixup(), the function returns NULL without freeing the skb.</p> <p>usbnet_start_xmit() treats a NULL return from tx_fixup() as a drop (info-&gt;flags does not set FLAG_MULTI_PACKET for this driver), jumping to the &#34;drop&#34; label where it does `if (skb) dev_kfree_skb_any(skb)`. Because tx_fixup() returned NULL, the local skb variable in usbnet_start_xmit() is NULL, so the original skb is never freed — a memory leak on every TX frame whose linearization fails (i.e. under memory pressure).</p> <p>Free the skb before returning, matching the error handling already used for the pskb_expand_head() failure path in the same function.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>net: usb: ax88179_178a: fix skb leak in ax88179_tx_fixup()</p> <p>When the interface has NETIF_F_SG enabled and skb_linearize() fails in ax88179_tx_fixup(), the function returns NULL without freeing the skb.</p> <p>usbnet_start_xmit() treats a NULL return from tx_fixup() as a drop (info-&gt;flags does not set FLAG_MULTI_PACKET for this driver), jumping to the &#34;drop&#34; label where it does `if (skb) dev_kfree_skb_any(skb)`. Because tx_fixup() returned NULL, the local skb variable in usbnet_start_xmit() is NULL, so the original skb is never freed — a memory leak on every TX frame whose linearization fails (i.e. under memory pressure).</p> <p>Free the skb before returning, matching the error handling already used for the pskb_expand_head() failure path in the same function.</p> https://vulnerability.circl.lu/vuln/cve-2026-74678