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Highest advisory severityHigh 3 vendors · 3 advisories

CVE-2026-43500

CVE-2026-43500: 3 tracked advisory records across Fortinet, 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.

NVD detail CVE.org

Vendor advisory comparison

Fortinet

1 advisory
  • Advisory severityHigh7.9

    High [CVE-2026-43284 +1] Linux Kernel vulnerability Dirty Frag

    FG-IR-26-144Source published Source updated

    This bulletin covers 2 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.

    CVSSv3 Score: 7.9 Linux kernel is impacted by CVE-2026-43284 and CVE-2026-43500 which chained together create the Dirty Frag vulnerability.CVE-2026-43284 In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSG_SPLICE_PAGES can attach pages from a pipe directly to an skb. TCP marks such skbs with SKBFL_SHARED_FRAG after skb_splice_from_iter(), so later paths that may modify packet data can first make a private copy. The IPv4/IPv6 datagram append paths did not set this flag when splicing pages into UDP skbs. That leaves an ESP-in-UDP packet made from shared pipe pages looking like an ordinary uncloned nonlinear skb. ESP input then takes the no-COW fast path for uncloned skbs without a frag_list and decrypts in place over…

    Related products — impact not confirmed
    No product details extracted. Check the source bulletin.
    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

NetApp

1 advisory
  • Advisory severityHigh7.8

    High [CVE-2026-43500] Linux Kernel Vulnerability in NetApp Products

    NTAP-20260513-0002Source published Source updated

    Multiple NetApp products incorporate Linux kernel. Linux kernel versions 5.3-rc7 through 6.18.28, 6.19-rc1 through 7.0.5 and 7.1-rc1 through 7.1-rc2 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). This CVE is part of the Dirty Frag vulnerability class. 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
    No product details extracted. Check the source bulletin.
    Source-reported affected versions
    • 6.18.28
    • 6.19
    • 7.0.5
    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

Red Hat

1 advisory
  • Advisory severityHigh7.8

    High [CVE-2026-43500] "Dirty Frag" RxRPC variant is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel

    CVE-2026-43500Source published

    "Dirty Frag" RxRPC variant is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel. Red Hat rates this important (CVSS 7.8). Weakness: CWE-123. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.

    Related products — impact not confirmed
    • Red Hat Enterprise Linux
    • Linux Kernel
    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    • Red Hat rates this important; a fix erratum may not be out yet — apply the RHSA as soon as it publishes.
    Full advisory and evidenceOpen source bulletin

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