imPC@ndo IT

Tracker / CVE-2021-47064

CVE-2021-47064

Medium 5.3

In the Linux kernel, the following vulnerability has been resolved: mt76: fix potential DMA mapping leak With buf uninitialized in mt76_dma_tx_queue_skb_raw, its field skip_unmap could potentially inherit a non-zero value from stack garbage. If this happens, it will cause DMA mappings for MCU command frames to not be unmapped after completion

Affected products and versions

linux linux_kernel · 5.10 → 5.10.37
linux linux_kernel · 5.11 → 5.11.21
linux linux_kernel · 5.12 → 5.12.4

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References