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Highest advisory severityHigh 2 vendors · 2 advisories

CVE-2026-43503

CVE-2026-43503: 2 tracked advisory records across NetApp, 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

NetApp

1 advisory
  • Advisory severityHigh8.8

    High [CVE-2026-43503] Linux Kernel Vulnerability in NetApp Products

    NTAP-20260710-0019Source published Source updated

    Linux kernel versions 3.9-rc1 through 5.10.256, 5.11-rc1 through 5.15.207, 5.16-rc1 through 6.1.173, 6.13-rc1 through 6.18.32, 6.19-rc1 through 7.0.9, 6.2-rc1 through 6.6.140, 6.7-rc1 through 6.12.90 and 7.1-rc1 through 7.1-rc4 are susceptible to a vulnerability which when successfully exploited could lead to disclosure of sensitive information, addition or modification of data, or Denial of Service (DoS). Affected products: NetApp HCI Baseboard Management Controller (BMC) - H610S. NetApp reports that one or more additional products remain under investigation; review the canonical advisory for current status. NetApp states there is no workaround available at this time.

    Affected products in this advisory
    • NetApp HCI Baseboard Management Controller (BMC) - H610S
    Source-reported affected versions
    • 5.10.256
    • 5.11
    • 5.15.207
    • 5.16

    7 more entries in the full advisory.

    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    • NetApp HCI Baseboard Management Controller (BMC) - H610S has no planned fix; migrate to a supported release or product and consult NetApp's end-of-support notice.
    Full advisory and evidenceOpen source bulletin

Red Hat

1 advisory
  • Advisory severityHigh7.0

    High [CVE-2026-43503] propagate shared-frag marker through frag-transfer helpers

    CVE-2026-43503Source published

    propagate shared-frag marker through frag-transfer helpers. Red Hat rates this important (CVSS 7). Weakness: CWE-664. Affected package(s): rhcos, kernel-rt, kernel, kpatch-patch. Resolved in Red Hat advisory RHSA-2026:23470 — 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 8.4 Advanced Mission Critical Update Support
    • Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

    17 more entries in the full advisory.

    Source-reported affected versions
    • rhcos-412.86.202605271418-0
    • kernel-rt-0:5.14.0-70.180.1.rt21.252.el9_0
    • kernel-0:5.14.0-687.10.1.el9_8
    • kernel-0:5.14.0-570.116.1.el9_6

    8 more entries in the full advisory.

    Source-reported fixed versions
    • RHSA-2026:23470
    Mitigation guidance
    • Update the affected package(s) to the fixed version shipped in RHSA-2026:23470 (`sudo dnf update` / `yum update`).
    Full advisory and evidenceOpen source bulletin

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