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Appending those frags to another skb\u0027s\\nfrags without fixing up the page refcount can lead to UAF.\\n\\nWhen either the last skb in the GRO chain (the one we would append\\nfrags to) or the source skb is zerocopy, don\u0027t merge the skbs.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"net/core/gro.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"753f1ca4e1e50248a1b760c9774d6d6b354562cc\",\"lessThan\":\"3c6cc9f2ca65b6dd61b1af75452dc0e1cd0aad8d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"753f1ca4e1e50248a1b760c9774d6d6b354562cc\",\"lessThan\":\"1f9c828556416fbe3f49386708ce999fc4d4da06\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"753f1ca4e1e50248a1b760c9774d6d6b354562cc\",\"lessThan\":\"479084ae0e1d9cb7929cb4298d35623de189f80a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"753f1ca4e1e50248a1b760c9774d6d6b354562cc\",\"lessThan\":\"e334cbf3388fd9334503a778a82d9e9f14dd2f71\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"753f1ca4e1e50248a1b760c9774d6d6b354562cc\",\"lessThan\":\"44bea2032af0425e4ce6d26a8af0ede79db49ec1\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"753f1ca4e1e50248a1b760c9774d6d6b354562cc\",\"lessThan\":\"4db79a322db8c97f7b73b8a347395ef4d685eb40\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"net/core/gro.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.0\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.0\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.176\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.142\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.92\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.34\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.0.11\",\"lessThanOrEqual\":\"7.0.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.1\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\",\"affectedData\":[{\"vendor\":\"Red 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    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-07-07T13:02:41+00:00",
      "cve": "CVE-2026-46323",
      "id": "CVE-2026-46323",
      "initial_release_date": "2026-05-19T00:00:00+00:00",
      "product_status:fixed": "1148",
      "product_status:known_affected": "78",
      "product_status:known_not_affected": "112",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Linux kernel: Use-After-Free in net/gro due to improper handling of zerocopy skbs",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46323.json",
      "version": "3"
    }
  }
}