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THREAT OPS › Threat News › [NVD] CVE-2026-52942 (HIGH 7.1) — In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_log: validate MAC header was set before dumping it The fallback path of dump_mac_header() guards the MAC header access only with "skb->mac_header != skb->network_header", without checking skb_mac_

[NVD] CVE-2026-52942 (HIGH 7.1) — In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_log: validate MAC header was set before dumping it The fallback path of dump_mac_header() guards the MAC header access only with "skb->mac_header != skb->network_header", without checking skb_mac_

lownvdPublished 2026-06-24

CVE-2026-52942 CVSS: 7.1 HIGH Published: 2026-06-24T08:16:24.490

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

netfilter: nf_log: validate MAC header was set before dumping it

The fallback path of dump_mac_header() guards the MAC header access only with "skb->mac_header != skb->network_header", without checking skb_mac_header_was_set(). When the MAC header is unset, mac_he

Indicators of compromise

CVE-2026-52942cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-52942