CVE-2021-26315
High
Description
When the AMD Platform Security Processor (PSP) boot rom loads, authenticates, and subsequently decrypts an encrypted FW, due to insufficient verification of the integrity of decrypted image, arbitrary code may be executed in the PSP when encrypted firmware images are used.
SeverityHigh
CVSS7.8
Exploit probability6. percentile0.2%
ProductAmd Epyc 7003 Firmware
PublishedNov 16, 2021
First seenNov 16, 2021
Weakness typeCWE-345CWE-345
How to fix
Update
- amd epyc_7003_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_72f3_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7313_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7313p_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7343_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_73f3_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7413_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7443_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7443p_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7453_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_74f3_firmwaremilanpi-sp3_1.0.0.4 or later
- amd epyc_7513_firmwaremilanpi-sp3_1.0.0.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| amd epyc_7003_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_72f3_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7313_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7313p_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7343_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_73f3_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7413_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7443_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7443p_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7453_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_74f3_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7513_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7543_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7543p_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_75f3_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7643_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7663_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7713_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7713p_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
| amd epyc_7763_firmware | v < milanpi-sp3_1.0.0.4 | milanpi-sp3_1.0.0.4 |
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