CVE-2021-26344
High
Description
An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modify the BIOS image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution.
SeverityHigh
CVSS7.2
Exploit probability—
ProductAmd Epyc 7203 Firmware
PublishedAug 13, 2024
First seenAug 13, 2024
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- amd epyc_7203_firmwaremilanpi_1.0.0.5 or later
- amd epyc_7203p_firmwaremilanpi_1.0.0.5 or later
- amd epyc_72f3_firmwaremilanpi_1.0.0.5 or later
- amd epyc_7303_firmwaremilanpi_1.0.0.5 or later
- amd epyc_7303p_firmwaremilanpi_1.0.0.5 or later
- amd epyc_7313_firmwaremilanpi_1.0.0.5 or later
- amd epyc_7313p_firmwaremilanpi_1.0.0.5 or later
- amd epyc_7343_firmwaremilanpi_1.0.0.5 or later
- amd epyc_73f3_firmwaremilanpi_1.0.0.5 or later
- amd epyc_7373x_firmwaremilanpi_1.0.0.5 or later
- amd epyc_7413_firmwaremilanpi_1.0.0.5 or later
- amd epyc_7443_firmwaremilanpi_1.0.0.5 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| amd epyc_7203_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7203p_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_72f3_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7303_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7303p_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7313_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7313p_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7343_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_73f3_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7373x_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7413_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7443_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7443p_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_74f3_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7453_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7473x_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7513_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7543_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7543p_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_75f3_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7573x_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7643_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7773x_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7643p_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7663_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7663p_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7713_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7713p_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7763_firmware | v < milanpi_1.0.0.5 | milanpi_1.0.0.5 |
| amd epyc_7h12_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7f72_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7f52_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7f32_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7742_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7702p_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7702_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7662_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7642_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7552_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7542_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7532_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7502p_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7502_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7452_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7402p_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7402_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7352_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7302p_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7302_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7282_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7272_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7262_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7252_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7232p_firmware | v < romepi_1.0.0.c | romepi_1.0.0.c |
| amd epyc_7601_firmware | No range specified | — |
| amd epyc_7551p_firmware | No range specified | — |
| amd epyc_7551_firmware | No range specified | — |
| amd epyc_7501_firmware | No range specified | — |
| amd epyc_7451_firmware | No range specified | — |
| amd epyc_7401p_firmware | No range specified | — |
| amd epyc_7401_firmware | No range specified | — |
| amd epyc_7371_firmware | No range specified | — |
| amd epyc_7351p_firmware | No range specified | — |
| amd epyc_7351_firmware | No range specified | — |
| amd epyc_7301_firmware | No range specified | — |
| amd epyc_7281_firmware | No range specified | — |
| amd epyc_7261_firmware | No range specified | — |
| amd epyc_7251_firmware | No range specified | — |
| amd epyc_7001_firmware | No range specified | — |
Check your version
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