src_350d40f2cc69277bca
- Source-provided label
- Not reported
- Evidence class
- mentioned in report
- Confidence
- Not reported
- Observed
- May 18, 2022 00:00 UTC
- Retrieved
- Oct 08, 2026 03:51 UTC
CVE-2021-39991: Huawei DMSS Memory Access Management Configuration Unathorized Rewrite Via Peripheral DMA
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 allowed some SoC cores or DMA-capable peripherals to directly access secure world memory and completely compromise the entire memory of the SoC. This advisory focuses on a new access permission vulnerability in the same DMSS.
Reference details
- Source category
- Research & news
- Report title
CVE-2021-39991: Huawei DMSS Memory Access Management Configuration Unathorized Rewrite Via Peripheral DMA- First reported
- May 18, 2022 00:00 UTC
- Last reported
- May 18, 2022 00:00 UTC
- Catalog updated
- Oct 08, 2026 03:51 UTC
- Record ID
7f3d1b6582b9117b68e26a05d01290cae02cf6d7392cae98c40cd2159a9f2ec7
CVEs mentioned by sources
Published indicators
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Source observations
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Feed collection status
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1 sources: 0 stale, 0 needing attention, 0 paused, 1 unverified.
Review source update dates and status
- src_350d40f2cc69277bcaCollection status unverifiedLast successful batch: Unverified
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