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CVE-2025-37974 – Linux kernel s390 PCI Missing Check Dereference Vulnerability

The following table lists the changes that have been made to the
CVE-2025-37974 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 20, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved:

    s390/pci: Fix missing check for zpci_create_device() error return

    The zpci_create_device() function returns an error pointer that needs to
    be checked before dereferencing it as a struct zpci_dev pointer. Add the
    missing check in __clp_add() where it was missed when adding the
    scan_list in the fixed commit. Simply not adding the device to the scan
    list results in the previous behavior.
    Added Reference https://git.kernel.org/stable/c/2769b718e164df983c20c314b263a71a699be6cd
    Added Reference https://git.kernel.org/stable/c/42420c50c68f3e95e90de2479464f420602229fc
    Added Reference https://git.kernel.org/stable/c/be54b750c333a9db7c3b3686846bb06b07b011fe
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