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Δ / VULNERABILITY RECORD

CVE-2021-39991.

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 May 17, 2022

Disclosure summary

Summary Last year we published research at Black Hat in which we disclosed multiple vulnerabilities in Huawei Kirin SoC’s DDR Controller (DMSS) Access Permission system which allow

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-adf553a4e73aac6b65e770024c191ec3cd6

Open original source · Updated May 17, 2022

CVE-2021-39991: Huawei DMSS Memory Access Management Configuration Unathorized Rewrite Via Peripheral DMA

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

Taszk Labs on taszk.io labs · RSS-b37fda5a9777e9a32f7cc8afccb1ee7319b

Open original source · Updated May 17, 2022

CVE-2021-37115: Huawei DMSS Memory Access Management Configuration Unathorized Rewrite Via ASP DMA

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

Taszk Labs on taszk.io labs · RSS-dd933511ac08dcbce895a06fcfcfb6d1c8a

Open original source · Updated May 17, 2022

CVE-2021-39992: Huawei Kernel Memory Access Permission Bypass via EDMA

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

Original records & references

PUBLISHED 2022-05-17T20:00:00-04:00
MODIFIED 2022-05-17T20:00:00-04:00
INGESTED 2026-10-08T12:20:18-04:00