VULNERABILITY INTELLIGENCE

CVE-2021-47064

CVSS score5.3 MEDIUM
EPSS probability0.77%
CISA KEVNot currently listed
Published2024-02-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

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

Weakness classification

  • nvd@nist.gov: CWE-401

Primary references