CVE-2021-47032

Summary

In the Linux kernel, the following vulnerability has been resolved:

mt76: mt7915: fix tx skb dma unmap

The first pointer in the txp needs to be unmapped as well, otherwise it will leak DMA mapping entries

Affected Software

VendorProductVersion RangeStatus
LinuxLinux27d5c528a7ca08dcd44877fdd9fc08b76630bf77 < 4e7914ce23306b28d377ec395e00e5fde0e6f96eaffected
LinuxLinux27d5c528a7ca08dcd44877fdd9fc08b76630bf77 < 4a9dcd6efb2a268fc5707dcfb3b0c412975c4462affected
LinuxLinux27d5c528a7ca08dcd44877fdd9fc08b76630bf77 < e2cdc9cb33c5963efe1a7c022753386f9463d1b7affected
LinuxLinux27d5c528a7ca08dcd44877fdd9fc08b76630bf77 < 7dcf3c04f0aca746517a77433b33d40868ca4749affected
LinuxLinux5.10affected
LinuxLinux0 < 5.10unaffected
LinuxLinux5.10.37 <= 5.10.*unaffected
LinuxLinux5.11.21 <= 5.11.*unaffected
LinuxLinux5.12.4 <= 5.12.*unaffected
LinuxLinux5.13 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References