Search: CVE-2026-63993

1 threat

Severity	CVSS	Signals	Threat	Source	Published	Score and star
Critical	9.8	EPSS 0.5%	CVE-2026-63993Linux kernel · Use After Free Critical9.8EPSS 0.5%2026-07-19CVE Database V5CVE-2026-63993 In the Linux kernel, the following vulnerability has been resolved: vxlan: do not reuse cached ip_hdr() value after skb_tunnel_check_pmtu() skb_tunnel_check_pmtu() can change skb->head. Reusing old_iph afer skb_tunnel_check_pmtu() can cause an UAF. Use instead ip_hdr(skb) as done in drivers/net/bareudp.c and drivers/net/geneve.c. Found by Sashiko. EPSS 0.5%Vulnerability CWE-416	CVE Database V5	2026-07-19

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