CVE-2023-31355
Medium
Description
Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest.
SeverityMedium
CVSS6.0
Exploit probability—
ProductAmd Epyc 7203 Firmware
PublishedAug 5, 2024
First seenAug 5, 2024
Weakness typeCWE-119Memory buffer bounds error
How to fix
Update
- amd epyc_7203_firmwaremilanpi_1.0.0.d or later
- amd epyc_7203p_firmwaremilanpi_1.0.0.d or later
- amd epyc_72f3_firmwaremilanpi_1.0.0.d or later
- amd epyc_7303_firmwaremilanpi_1.0.0.d or later
- amd epyc_7303p_firmwaremilanpi_1.0.0.d or later
- amd epyc_7313_firmwaremilanpi_1.0.0.d or later
- amd epyc_7313p_firmwaremilanpi_1.0.0.d or later
- amd epyc_7343_firmwaremilanpi_1.0.0.d or later
- amd epyc_73f3_firmwaremilanpi_1.0.0.d or later
- amd epyc_7373x_firmwaremilanpi_1.0.0.d or later
- amd epyc_7413_firmwaremilanpi_1.0.0.d or later
- amd epyc_7443_firmwaremilanpi_1.0.0.d or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| amd epyc_7203_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7203p_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_72f3_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7303_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7303p_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7313_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7313p_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7343_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_73f3_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7373x_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7413_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7443_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7443p_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_74f3_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7453_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7473x_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7513_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7543_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7543p_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_75f3_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7573x_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7643_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7773x_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7643p_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7663_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7663p_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7713_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7713p_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_7763_firmware | v < milanpi_1.0.0.d | milanpi_1.0.0.d |
| amd epyc_8024pn_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_8024p_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_8124pn_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_8124p_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_8224pn_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_8224p_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_8324pn_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_8324p_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_8434pn_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_8434p_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_8534pn_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_8534p_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9734_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9754s_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9754_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9184x_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9384x_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9684x_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9124_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9174f_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9224_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9254_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9274f_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9334_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9354_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9354p_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9374f_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9454_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9454p_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9474f_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9534_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9554_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9554p_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9634_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9654_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_9654p_firmware | v < genoapi_1.0.0.c | genoapi_1.0.0.c |
| amd epyc_embedded_7313_firmware | v < embmilanpi-sp3_1.0.0.9 | embmilanpi-sp3_1.0.0.9 |
| amd epyc_embedded_7313p_firmware | v < embmilanpi-sp3_1.0.0.9 | embmilanpi-sp3_1.0.0.9 |
| amd epyc_embedded_7413_firmware | v < embmilanpi-sp3_1.0.0.9 | embmilanpi-sp3_1.0.0.9 |
| amd epyc_embedded_7443_firmware | v < embmilanpi-sp3_1.0.0.9 | embmilanpi-sp3_1.0.0.9 |
| amd epyc_embedded_7443p_firmware | v < embmilanpi-sp3_1.0.0.9 | embmilanpi-sp3_1.0.0.9 |
| amd epyc_embedded_7543_firmware | v < embmilanpi-sp3_1.0.0.9 | embmilanpi-sp3_1.0.0.9 |
| amd epyc_embedded_7543p_firmware | v < embmilanpi-sp3_1.0.0.9 | embmilanpi-sp3_1.0.0.9 |
| amd epyc_embedded_7643_firmware | v < embmilanpi-sp3_1.0.0.9 | embmilanpi-sp3_1.0.0.9 |
| amd epyc_embedded_7713_firmware | v < embmilanpi-sp3_1.0.0.9 | embmilanpi-sp3_1.0.0.9 |
| amd epyc_embedded_7713p_firmware | v < embmilanpi-sp3_1.0.0.9 | embmilanpi-sp3_1.0.0.9 |
| amd epyc_embedded_9124_firmware | v < embgenoapi-sp5_1.0.0.7 | embgenoapi-sp5_1.0.0.7 |
| amd epyc_embedded_9254_firmware | v < embgenoapi-sp5_1.0.0.7 | embgenoapi-sp5_1.0.0.7 |
| amd epyc_embedded_9354_firmware | v < embgenoapi-sp5_1.0.0.7 | embgenoapi-sp5_1.0.0.7 |
| amd epyc_embedded_9354p_firmware | v < embgenoapi-sp5_1.0.0.7 | embgenoapi-sp5_1.0.0.7 |
| amd epyc_embedded_9454_firmware | v < embgenoapi-sp5_1.0.0.7 | embgenoapi-sp5_1.0.0.7 |
| amd epyc_embedded_9454p_firmware | v < embgenoapi-sp5_1.0.0.7 | embgenoapi-sp5_1.0.0.7 |
| amd epyc_embedded_9534_firmware | v < embgenoapi-sp5_1.0.0.7 | embgenoapi-sp5_1.0.0.7 |
| amd epyc_embedded_9554_firmware | v < embgenoapi-sp5_1.0.0.7 | embgenoapi-sp5_1.0.0.7 |
| amd epyc_embedded_9554p_firmware | v < embgenoapi-sp5_1.0.0.7 | embgenoapi-sp5_1.0.0.7 |
| amd epyc_embedded_9654_firmware | v < embgenoapi-sp5_1.0.0.7 | embgenoapi-sp5_1.0.0.7 |
| amd epyc_embedded_9654p_firmware | v < embgenoapi-sp5_1.0.0.7 | embgenoapi-sp5_1.0.0.7 |
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