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CVE-2024-35938 affects the Linux kernel ath11k Wi-Fi driver configuration for QCA6390 and WCN6855 hardware. The MHI channel buffer-length field was left at zero, causing the MHI subsystem to use its 64 KB default buffer size. During channel preparation, including device resume, this requires a higher-order memory allocation. On systems with highly fragmented memory where reclaim or compaction is unavailable, the allocation can fail. The fix explicitly sets the buffer length to 8 KB, which remains sufficient for QMI target-to-host traffic on the affected hardware and reduces allocation pressure.
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Linux kernel ath11k Wi-Fi driver flaw addressed by reducing MHI channel buffer length to 8 KB.
Unknown.
A vulnerability addressed by the Red Hat OpenShift Container Platform 4.17.27 security update; no technical vulnerability details are provided in this advisory.
Unknown
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Cross-references every affected SKU, including bundled OEM variants.
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