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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-43037

CVE-2026-43037: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityHigh8.8

    High [CVE-2026-43037] clear skb2->cb[] in ip4ip6_err()

    CVE-2026-43037Source published

    clear skb2->cb[] in ip4ip6_err(). Red Hat rates this critical (CVSS 8.8). Weakness: CWE-843. Affected package(s): kernel, rhcos, kernel-rt, kpatch-patch. Resolved in Red Hat advisory RHSA-2026:28741 — update the affected packages (`sudo dnf update`).

    Affected products in this advisory
    • NVIDIA for RHEL 10
    • Red Hat Enterprise Linux 10.0 Extended Update Support
    • Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION
    • Red Hat Enterprise Linux 7 Extended Lifecycle Support

    20 more entries in the full advisory.

    Source-reported affected versions
    • kernel-0:4.18.0-305.194.1.el8_4
    • kernel-0:4.18.0-477.145.1.el8_8
    • rhcos-4.20.9.6.202606101223-0
    • kernel-0:5.14.0-427.129.1.el9_4

    8 more entries in the full advisory.

    Source-reported fixed versions
    • RHSA-2026:28741
    Mitigation guidance
    • Update the affected package(s) to the fixed version shipped in RHSA-2026:28741 (`sudo dnf update` / `yum update`).
    Full advisory and evidenceOpen source bulletin

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