{
  "cveId": "CVE-2026-98793",
  "url": "https://patchblox.com/security/cve/CVE-2026-98793",
  "summary": "CVE-2026-98793 is fixed in 39 products on 1 platform, first by DEBIAN-CVE-2026-98793, released October 19, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "netfilter: bpf: reject invalid NAT manipulation types",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  netfilter: bpf: reject invalid NAT manipulation types  As bpf_ct_set_nat_info() is not validating the NAT manipulation type a wrong value can be passed directly to nf_nat_setup_info(). This triggers the WARN_ON() at nf_nat_setup_info() and if panic_on_warn isn\u0027t set, then IPS_SRC_NAT_DONE is set without adding nat_bysource and conntrack cleanup tries to unlink an uninitialized hlist node.  Fix this by checking that NAT manipulation type is correct before calling nf_nat_setup_info(). In addition, if the WARN_ON is hit, return NF_DROP instead of continuing with the processing to avoid similar situations in the future.",
  "published": "2026-10-18T16:17:33Z",
  "severity": "Moderate",
  "cvss": 6.7,
  "epss": 0.00173,
  "epssPercentile": 0.06765,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-98793",
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  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}