Error Handling Flaw in Linux Kernel's Ethernet Component by TI
CVE-2025-68220
What is CVE-2025-68220?
A vulnerability exists in the Ethernet component of the Linux kernel, specifically in the TI network processor. The function knav_dma_open_channel inconsistently handles error returns, leading to potential crashes in applications using this API. When the driver is disabled, the header correctly returns NULL, but the implementation sometimes fails without proper error signaling, causing alignment exceptions. This inconsistency creates challenges for developers and users, as the function may not behave reliably under error conditions. The resolution standardizes error handling to ensure NULL is returned consistently, minimizing the risk of crash scenarios.
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Affected Version(s)
Linux 88139ed030583557751e279968e13e892ae10825
Linux 88139ed030583557751e279968e13e892ae10825 < 8427218ecbd7f8559c37972e66cb0fa06e82353b
Linux 88139ed030583557751e279968e13e892ae10825 < 3afeb909c3e2e0eb19b1e20506196e5f2d9c2259