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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2021-47064

mt76: fix potential DMA mapping leak

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Status
Published
Published
Updated
Assigning organization
Linux

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

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 to < 9fa26701cd1fc4d932d431971efc5746325bdfceaffected
  • 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 to < 9b68ce2856dadc0e1cb6fd21fbeb850da49efd08affected
  • 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 to < 91b9548d413fda488ea853cd1b9f59b572db3a0caffected
  • 27d5c528a7ca08dcd44877fdd9fc08b76630bf77 to < b4403cee6400c5f679e9c4a82b91d61aa961eccfaffected

Linux Linux

Default version status: affected

  • 5.10affected
  • 0 to < 5.10unaffected
  • 5.10.37 to ≤ 5.10.*unaffected
  • 5.11.21 to ≤ 5.11.*unaffected
  • 5.12.4 to ≤ 5.12.*unaffected
  • 5.13 to ≤ *unaffected

References