CVE-2025-68776 in Linux
Zusammenfassung
von VulDB • 27.05.2026
Implements a NULL check for the return value of `__pskb_copy()` in `hsr_forward_do` to prevent potential NULL pointer dereferences if memory allocation fails.
```diff --- a/net/hsr/hsr_forward.c +++ b/net/hsr/hsr_forward.c @@ -738,6 +738,9 @@ static void hsr_forward_do(struct hsr_node *node, struct sk_buff *skb, if (skb->protocol == htons(ETH_P_HSR)) return; + if (!skb) + return; + /* If the frame is a multicast frame, we need to check if the node * is a multicast listener. If not, we drop the frame. */ ```
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