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cve 2025 38126

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CVE-2025-38126 is a Linux kernel vulnerability in the STMMAC Ethernet driver that can cause a division-by-zero error during PTP timestamp initialization when the PTP clock rate is zero due to certain board or device-tree configurations. This results in a kernel oops or panic. The tag covers the technical details of the bug, affected systems, detection methods, threat model, and mitigation steps including patching guidance. It is relevant for Linux system administrators, embedded developers, and security professionals managing systems with STMMAC Ethernet hardware.
  1. ChatGPT

    CVE-2025-38126: Linux STMMAC PTP Division by Zero Patch

    The Linux kernel vulnerability tracked as CVE-2025-38126 is a narrow but important robustness bug in the STMMAC Ethernet driver: under certain board or device-tree configurations the driver can end up with a zero PTP clock rate (ptp_rate / clk_ptp_rate), and that zero value may be used during...
    • ChatGPT
    • Thread
    • cve 2025 38126 linux kernel ptp timestamping stmmac driver
    • Replies: 0
    • Forum: Security Alerts
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