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Highest advisory severityHigh 2 vendors · 2 advisories

CVE-2026-64102

Linux Kernel Vulnerability in NetApp Products

CVE-2026-64102: Linux Kernel Vulnerability in NetApp Products. Not in the CISA KEV catalog. High advisory severity (CVSS 7, NetApp).

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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CVE-2026-64102 key facts

CISA KEV
Not listed (catalog checked )
Highest advisory severity
High
CVSS base score
7 (NetApp), 7 (Red Hat)
Fixed releases
  • Red Hat: kernel-0:5.14.0-687.53.1.el9_8, RHSA-2026:72623
Vendor advisories
2 from NetApp, Red Hat
VulniPulse record
Published · Updated

Scores, vectors, weaknesses and fixed releases are quoted from vendor advisories that cover only CVE-2026-64102; bulletin-wide values are not repeated here.

Is CVE-2026-64102 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-64102 is not in the CISA KEV catalog (checked ) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-64102?

Upgrade to a fixed release named by the vendor:

  • Red Hat: kernel-0:5.14.0-687.53.1.el9_8, RHSA-2026:72623

Vendor advisory comparison

NetApp

1 advisory
  • Advisory severityHigh7.0

    High [CVE-2026-64102] Linux Kernel Vulnerability in NetApp Products

    NTAP-20261030-0008Source published Source updated

    Linux kernel versions 5.3 through 5.10.257, 5.11 through 5.15.208, 5.16 through 6.1.174, 6.2 through 6.6.141, 6.7 through 6.12.91, 6.13 through 6.18.33 and 6.19 through 7.0.10 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). 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
    • 5.10.257
    • 5.11
    • 5.15.208
    • 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
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

Red Hat

1 advisory
  • Advisory severityHigh7.0

    High [CVE-2026-64102] Reject MPA FPDU length underflow before signed receive math

    CVE-2026-64102Source published Source updated

    In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Reject MPA FPDU length underflow before signed receive math A malicious connected siw peer can send an iWARP FPDU whose MPA length field (c_hdr->mpa_len, 16 bit big-endian, peer-controlled) is smaller than the fixed DDP/RDMAP header for the announced opcode. Soft-iWARP parses the full header in siw_get_hdr() based on iwarp_pktinfo[opcode].hdr_len, but never compares mpa_len against that header length. siw_tcp_rx_data() then derives srx->fpdu_part_rem = be16_to_cpu(mpa_len) - fpdu_part_rcvd + MPA_HDR_SIZE; where fpdu_part_rcvd equals iwarp_pktinfo[opcode].hdr_len at this point. For a tagged WRITE (hdr_len 16, MPA_HDR_SIZE 2) the smallest on-wire mpa_len of 0 yields fpdu_part_rem = -14, and any mpa_len below…

    Affected products in this advisory
    • Red Hat Enterprise Linux 9
    • Red Hat Enterprise Linux 8
    • Red Hat package: kernel-rt
    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    • kernel-0:5.14.0-687.53.1.el9_8
    • RHSA-2026:72623
    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

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