VDB
CVE-2021-26337
CVE-2021-26337
PUBLISHED
Reported by amd · Published November 16, 2021
Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA read from invalid DRAM address to SRAM resulting in SMU not servicing further requests.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| epyc_7742_firmware | amd | romepi-sp3_1.0.0.c |
| epyc_7313_firmware | amd | milanpi-sp3_1.0.0.4 |
| epyc_7003_firmware | amd | milanpi-sp3_1.0.0.4 |
| epyc_7402p_firmware | amd | romepi-sp3_1.0.0.c |
| epyc_7543_firmware | amd | milanpi-sp3_1.0.0.4 |
| epyc_7663_firmware | amd | milanpi-sp3_1.0.0.4 |
| epyc_7343_firmware | amd | milanpi-sp3_1.0.0.4 |
| epyc_7713_firmware | amd | milanpi-sp3_1.0.0.4 |
| epyc_7262_firmware | amd | romepi-sp3_1.0.0.c |
| epyc_7f32_firmware | amd | romepi-sp3_1.0.0.c |
| epyc_7272_firmware | amd | romepi-sp3_1.0.0.c |
| epyc_7452_firmware | amd | romepi-sp3_1.0.0.c |
1 more packages have a fixed version. See every fix in Lookup.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| AMD | Ryzen™ Series | various |
| AMD | Athlon™ Series | various |
| AMD | Ryzen™ Series | * |
| AMD | Athlon™ Series | * |
Timeline
- Nov 16, 2021 CVE Published
- Nov 17, 2021 EPSS Score (30 in total, the first dated here)
- Sep 17, 2024 CVE Updated
- Mar 17, 2026 Security Advisory (12 in total, the first dated here)
- Aug 8, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2021-26337
vulnetix vdb fixes CVE-2021-26337Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-26337/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart