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Δ / VULNERABILITY RECORD

CVE-2021-22388.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSUnscoredNo severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSAwaiting NVD dataModified Aug 01, 2021

Disclosure summary

Summary The NPU device’s kernel driver implements a set of ioctl handlers one of which uses unsanitized user data as an index into a function pointer array. The user provided value

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

Taszk Labs on taszk.io labs · RSS-617b508d0a728ec83a1a0ac049ec537628c

Open original source · Updated Aug 01, 2021

CVE-2021-22388: Huawei NPU Kernel Driver Function Pointer Overwrite

CVE mention in publisher metadata; check the original affected versions.

Original records & references

PUBLISHED 2021-08-01T20:00:00-04:00
MODIFIED 2021-08-01T20:00:00-04:00
INGESTED 2026-10-08T12:20:18-04:00