vulnerability
Red Hat: CVE-2021-47064: kernel: mt76: fix potential DMA mapping leak
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 1 | (AV:L/AC:L/Au:M/C:P/I:N/A:N) | Feb 29, 2024 | Jul 9, 2025 | Jul 10, 2025 |
Severity
1
CVSS
(AV:L/AC:L/Au:M/C:P/I:N/A:N)
Published
Feb 29, 2024
Added
Jul 9, 2025
Modified
Jul 10, 2025
Description
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
Solution
no-fix-redhat-rpm-package
References
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