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THREAT OPS › Threat News › [NVD] CVE-2026-80612 (CRITICAL 9.8) — In the Linux kernel, the following vulnerability has been resolved: net: lwtunnel: Drop skb metadata before LWT encapsulation skb metadata is meant for passing information between XDP and TC. It lives in the skb headroom, immediately before skb->data. LWT programs cannot access

[NVD] CVE-2026-80612 (CRITICAL 9.8) — In the Linux kernel, the following vulnerability has been resolved: net: lwtunnel: Drop skb metadata before LWT encapsulation skb metadata is meant for passing information between XDP and TC. It lives in the skb headroom, immediately before skb->data. LWT programs cannot access

mednvdPublished 2026-08-28

CVE-2026-80612 CVSS: 9.8 CRITICAL Published: 2026-08-28T08:16:45.183

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

net: lwtunnel: Drop skb metadata before LWT encapsulation

skb metadata is meant for passing information between XDP and TC. It lives in the skb headroom, immediately before skb->data. LWT programs cannot access the __sk_buff->data_meta pseudo-pointer to metada

Indicators of compromise

CVE-2026-80612cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-80612