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Highest advisory severityMedium 2 vendors · 2 advisories

CVE-2026-53088

Linux Kernel Vulnerability in NetApp Products

CVE-2026-53088: Linux Kernel Vulnerability in NetApp Products. Not in the CISA KEV catalog. Medium advisory severity (CVSS 5.5, 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-2026-53088 key facts

CISA KEV
Not listed (catalog checked )
Highest advisory severity
Medium
CVSS base score
5.5 (NetApp), 5.5 (Red Hat)
CVSS vector
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (Red Hat)
Weakness
CWE-193
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-2026-53088; bulletin-wide values are not repeated here.

Is CVE-2026-53088 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-53088 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-2026-53088?

  • 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. (NetApp)

Vendor advisory comparison

NetApp

1 advisory
  • Advisory severityMedium5.5

    Medium [CVE-2026-53088] Linux Kernel Vulnerability in NetApp Products

    NTAP-20261030-0013Source published Source updated

    Linux kernel versions 3.16.50 through 4.12.14, 4.13.1 through 5.10.257, 5.11 through 5.15.208, 5.16 through 6.1.174, 6.2 through 6.6.140, 6.7 through 6.12.90, 6.13 through 6.18.32 and 6.19 through 7.0.9 are susceptible to a vulnerability which when successfully exploited could lead to Denial of Service (DoS). Successful exploitation of this vulnerability could lead to 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
    • 3.16.50
    • 4.12.14
    • 4.13.1
    • 5.10.257

    10 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 severityMedium5.5

    Medium [CVE-2026-53088] fix off-by-one in bcmgenet_put_txcb

    CVE-2026-53088Source published Source updated

    In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: fix off-by-one in bcmgenet_put_txcb The write_ptr points to the next open tx_cb. We want to return the tx_cb that gets rewinded, so we must rewind the pointer first then return the tx_cb that it points to. That way the txcb can be correctly cleaned up. A flaw was found in the Linux kernel's bcmgenet network driver. An off-by-one error in the `bcmgenet_put_txcb` function, related to the `write_ptr` handling for transmit control blocks (tx_cb), could lead to incorrect cleanup of these blocks. This issue may result in system instability or unexpected behavior. Red Hat severity: Low — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-193. Affected Red Hat products: Red Hat Enterprise Linux…

    Affected products in this advisory
    • Red Hat Enterprise Linux 10
    • Red Hat Enterprise Linux 9
    • Red Hat package: kernel-rt
    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

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