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CVE-2024-42107 is a NULL pointer dereference vulnerability in the Linux kernel ice network driver's Precision Time Protocol (PTP) handling. The ice_ptp_extts_event() function can race with ice_ptp_release(), processing an external timestamp interrupt after the driver has released its PTP clock. It then calls ptp_clock_event() with a NULL pointer, causing a kernel panic. The fix checks the PTP state and exits early when PTP is not ready.
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A race condition in the Linux kernel's ice driver can cause an external timestamp interrupt to reference an already-released PTP clock, triggering a NULL pointer dereference and kernel panic. The fix checks the PTP state and stops event processing when PTP is not ready. The listed CVSS v3 base score is 4.7, reflecting local access, high attack complexity, low privileges, and high availability impact.
A Linux kernel Intel ICE network-driver flaw involving processing extended timestamp data when PTP is disabled.
Linux kernel Intel ice network-driver flaw related to processing extended timestamp data while PTP is disabled.
Unknown
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