CVE-2021-26336: Buffer Overflow
First published: Tue Nov 16 2021(Updated: )
Insufficient bounds checking in System Management Unit (SMU) may cause invalid memory accesses/updates that could result in SMU hang and subsequent failure to service any further requests from other components.
Credit: psirt@amd.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| AMD EPYC 7003 Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 7003 Firmware | ||
| AMD EPYC 7002 Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC Server | ||
| AMD EPYC 72F3 Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 72F3 Firmware | ||
| AMD EPYC Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 7313 Firmware | ||
| AMD EPYC 7313P Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 7313P Firmware | ||
| Amd Epyc Server Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 7343 Firmware | ||
| AMD EPYC 73F3 Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 73F3 Firmware | ||
| AMD EPYC 7413 Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 7413 Firmware | ||
| AMD EPYC 7443P Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 7443P | ||
| AMD EPYC 7443P Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 7443P Firmware | ||
| Amd Epyc Server Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC Server | ||
| AMD EPYC 74F3 Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 74F3 Firmware | ||
| AMD EPYC 7513 Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 7513 Firmware | ||
| Amd Epyc Server Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 7543 Firmware | ||
| AMD EPYC 7543P Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 7543P Firmware | ||
| AMD EPYC 75F3 Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 75F3 Firmware | ||
| AMD EPYC 7643P Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 7643 Firmware | ||
| AMD EPYC 7663 Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 7663 Firmware | ||
| AMD EPYC 7713P Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 7713 Firmware | ||
| AMD EPYC 7713P Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 7713P Firmware | ||
| AMD EPYC 7763 Firmware | <milanpi-sp3_1.0.0.4 | |
| AMD EPYC 7763 Firmware | ||
| AMD EPYC 7232p firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7232p firmware | ||
| AMD EPYC 7252 Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7252 Firmware | ||
| AMD EPYC 7262 Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7262 Firmware | ||
| AMD EPYC 7272 firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7272 firmware | ||
| AMD EPYC 7282 Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7282 Firmware | ||
| Amd Epyc Server Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7302 Firmware | ||
| AMD EPYC 7302P Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7302P Firmware | ||
| AMD EPYC Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7352 firmware | ||
| Amd Epyc Server Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7402 Firmware | ||
| AMD EPYC 7402P Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7402P Firmware | ||
| AMD EPYC 7452 Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC Server | ||
| AMD EPYC 7502 Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7502 firmware | ||
| AMD EPYC 7502P Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7502P Firmware | ||
| AMD EPYC 7532 Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7532 Firmware | ||
| AMD EPYC 7542 Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC Server | ||
| AMD EPYC 7552 Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7552 Firmware | ||
| AMD EPYC 7642 Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7642 Firmware | ||
| AMD EPYC 7662 Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7662 Firmware | ||
| AMD EPYC 7702p firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC Server | ||
| AMD EPYC 7702 Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7702P | ||
| AMD EPYC 7742 Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC Server | ||
| AMD EPYC 7F32 Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7F32 Firmware | ||
| AMD EPYC 7F52 Firmware | <romepi-sp3_1.0.0.c | |
| AMD EPYC 7F52 Firmware | ||
| AMD Ryzen 3100 Firmware | ||
| AMD Ryzen 3 3100 Firmware | ||
| AMD Ryzen 3 3300G Firmware | ||
| AMD Ryzen 3 3300G Firmware | ||
| AMD Ryzen 5 Pro 3400G Firmware | ||
| AMD Ryzen 5 3400G Firmware | ||
| AMD Ryzen 3 5125C Firmware | ||
| AMD Ryzen 3 5125C Firmware | ||
| AMD Ryzen 3 5400U Firmware | ||
| AMD Ryzen 3 5400U Firmware | ||
| AMD Ryzen 3 5425C Firmware | ||
| AMD Ryzen 3 5425C Firmware | ||
| AMD Ryzen 7 5800H Firmware | ||
| AMD Ryzen 7 5800H Firmware | ||
| AMD Ryzen 7 5800HS Firmware | ||
| AMD Ryzen 7 5800HS Firmware | ||
| AMD Ryzen 7 5800U Firmware | ||
| AMD Ryzen 7 5800U Firmware | ||
| AMD Ryzen 7 5825C Firmware | ||
| AMD Ryzen 7 5825C Firmware | ||
| AMD Ryzen 7 5825U Firmware | ||
| AMD Ryzen 7 5825U Firmware | ||
| AMD Ryzen 9 5900HS Firmware | ||
| AMD Ryzen 9 5900HS Firmware | ||
| AMD Ryzen 9 5900HX Firmware | ||
| AMD Ryzen 9 5900HX Firmware | ||
| AMD Ryzen 9 5980HS Firmware | ||
| AMD Ryzen 9 5980HS Firmware | ||
| AMD Ryzen 9 5980HX | ||
| AMD Ryzen 9 5980HX | ||
| AMD Ryzen 3 5425U | ||
| AMD Ryzen 3 5425U Firmware | ||
| AMD Ryzen 7 3800XT Firmware | ||
| AMD Ryzen 7 3800X Firmware | ||
| AMD Ryzen 5 3450G Firmware | ||
| AMD Ryzen 5 3450G Firmware | ||
| AMD Ryzen 5 3600 firmware | ||
| AMD Ryzen 5 3600 firmware | ||
| AMD Ryzen 5 5560U Firmware | ||
| AMD Ryzen 5 5560U Firmware | ||
| AMD Ryzen Threadripper 1900X | ||
| AMD Ryzen Threadripper 1900X Firmware | ||
| AMD Ryzen Threadripper 1920X Firmware | ||
| AMD Ryzen Threadripper 1920X | ||
| AMD Ryzen Threadripper 1950X Firmware | ||
| AMD Ryzen Threadripper 1950X Firmware | ||
| AMD Ryzen Threadripper 2920X | ||
| AMD Ryzen Threadripper 2920X Firmware | ||
| AMD Ryzen Threadripper 2950X Firmware | ||
| AMD Ryzen Threadripper 2950X Firmware | ||
| AMD Ryzen Threadripper 2970WX Firmware | ||
| AMD Ryzen Threadripper 2970WX Firmware | ||
| AMD Ryzen Threadripper 2990WX | ||
| AMD Ryzen Threadripper 2990WX | ||
| AMD Ryzen Threadripper 3960X Firmware | ||
| AMD Ryzen Threadripper 3960X Firmware | ||
| AMD Ryzen Threadripper 3970X | ||
| AMD Ryzen Threadripper 3970X Firmware | ||
| AMD Ryzen Threadripper 3990X | ||
| AMD Ryzen Threadripper 3990X | ||
| AMD Ryzen Threadripper Pro | ||
| AMD Ryzen Threadripper Pro 3945WX Firmware | ||
| AMD Ryzen Threadripper Pro 3955WX Firmware | ||
| AMD Ryzen Threadripper Pro 3955WX Firmware | ||
| AMD Ryzen Threadripper Pro 3975WX Firmware | ||
| AMD Ryzen Threadripper Pro 3975WX Firmware | ||
| AMD Ryzen Threadripper Pro 3995WX Firmware | ||
| AMD Ryzen Threadripper Pro | ||
| AMD Ryzen Threadripper Pro 5945WX Firmware | ||
| AMD Ryzen Threadripper Pro 5945WX Firmware | ||
| AMD Ryzen Threadripper Pro 5955WX Firmware | ||
| AMD Ryzen Threadripper Pro 5955WX Firmware | ||
| AMD Ryzen Threadripper Pro 5965WX Firmware | ||
| AMD Ryzen Threadripper Pro | ||
| AMD Ryzen Threadripper Pro 5975W Firmware | ||
| AMD Ryzen Threadripper Pro 5975W Firmware | ||
| AMD Ryzen Threadripper Pro 5995WX Firmware | ||
| AMD Ryzen Threadripper Pro 5995WX Firmware | ||
| AMD Ryzen 5 5600H Firmware | ||
| AMD Ryzen 5 5600H Firmware | ||
| AMD Ryzen 5 5600HS Firmware | ||
| AMD Ryzen 5 5600HS Firmware | ||
| AMD Ryzen 5 5600U Firmware | ||
| AMD Ryzen 5 5600U Firmware | ||
| AMD Ryzen 5 5600X | ||
| AMD Ryzen 5 5600X Firmware | ||
| AMD Ryzen 5 5625C Firmware | ||
| AMD Ryzen 5 5625C Firmware | ||
| AMD Ryzen 5 5625U Firmware | ||
| AMD Ryzen 5 5625U Firmware | ||
| AMD Ryzen 5 5700G Firmware | ||
| AMD Ryzen 5 5700G | ||
| AMD Ryzen 5 5700GE Firmware | ||
| AMD Ryzen 5 5700GE | ||
| AMD Ryzen 5 3600X Firmware | ||
| AMD Ryzen 5 3600X Firmware | ||
| AMD Ryzen 9 3900X | ||
| AMD Ryzen 9 3900X | ||
| AMD Ryzen 9 3950XT firmware | ||
| AMD Ryzen 9 3950XT | ||
| AMD Ryzen 3 3300X Firmware | ||
| AMD Ryzen 3 3300X Firmware |
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Frequently Asked Questions
What is the severity of CVE-2021-26336?
CVE-2021-26336 has been identified with a high severity due to the potential for invalid memory accesses and service disruption.
How do I fix CVE-2021-26336?
To fix CVE-2021-26336, update the firmware of affected AMD EPYC processors to the latest version that addresses this vulnerability.
Which AMD products are affected by CVE-2021-26336?
CVE-2021-26336 affects various AMD EPYC 7003 and 7002 series firmware versions prior to milanpi-sp3_1.0.0.4 and romepi-sp3_1.0.0.c respectively.
What are the consequences of not addressing CVE-2021-26336?
Failure to address CVE-2021-26336 may result in system hangs and the inability of the System Management Unit to service further requests from other components.
When was CVE-2021-26336 published?
CVE-2021-26336 was published on March 2, 2021.
- agent/type
- agent/severity
- agent/author
- agent/references
- agent/weakness
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/first-publish-date
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/amd
- canonical/amd epyc 7003 firmware
- canonical/amd epyc 7002 firmware
- canonical/amd epyc server
- canonical/amd epyc 72f3 firmware
- canonical/amd epyc firmware
- canonical/amd epyc 7313 firmware
- canonical/amd epyc 7313p firmware
- canonical/amd epyc server firmware
- canonical/amd epyc 7343 firmware
- canonical/amd epyc 73f3 firmware
- canonical/amd epyc 7413 firmware
- canonical/amd epyc 7443p firmware
- canonical/amd epyc 7443p
- canonical/amd epyc 74f3 firmware
- canonical/amd epyc 7513 firmware
- canonical/amd epyc 7543 firmware
- canonical/amd epyc 7543p firmware
- canonical/amd epyc 75f3 firmware
- canonical/amd epyc 7643p firmware
- canonical/amd epyc 7643 firmware
- canonical/amd epyc 7663 firmware
- canonical/amd epyc 7713p firmware
- canonical/amd epyc 7713 firmware
- canonical/amd epyc 7763 firmware
- canonical/amd epyc 7232p firmware
- canonical/amd epyc 7252 firmware
- canonical/amd epyc 7262 firmware
- canonical/amd epyc 7272 firmware
- canonical/amd epyc 7282 firmware
- canonical/amd epyc 7302 firmware
- canonical/amd epyc 7302p firmware
- canonical/amd epyc 7352 firmware
- canonical/amd epyc 7402 firmware
- canonical/amd epyc 7402p firmware
- canonical/amd epyc 7452 firmware
- canonical/amd epyc 7502 firmware
- canonical/amd epyc 7502p firmware
- canonical/amd epyc 7532 firmware
- canonical/amd epyc 7542 firmware
- canonical/amd epyc 7552 firmware
- canonical/amd epyc 7642 firmware
- canonical/amd epyc 7662 firmware
- canonical/amd epyc 7702p firmware
- canonical/amd epyc 7702 firmware
- canonical/amd epyc 7702p
- canonical/amd epyc 7742 firmware
- canonical/amd epyc 7f32 firmware
- canonical/amd epyc 7f52 firmware
- canonical/amd ryzen 3100 firmware
- canonical/amd ryzen 3 3100 firmware
- canonical/amd ryzen 3 3300g firmware
- canonical/amd ryzen 5 pro 3400g firmware
- canonical/amd ryzen 5 3400g firmware
- canonical/amd ryzen 3 5125c firmware
- canonical/amd ryzen 3 5400u firmware
- canonical/amd ryzen 3 5425c firmware
- canonical/amd ryzen 7 5800h firmware
- canonical/amd ryzen 7 5800hs firmware
- canonical/amd ryzen 7 5800u firmware
- canonical/amd ryzen 7 5825c firmware
- canonical/amd ryzen 7 5825u firmware
- canonical/amd ryzen 9 5900hs firmware
- canonical/amd ryzen 9 5900hx firmware
- canonical/amd ryzen 9 5980hs firmware
- canonical/amd ryzen 9 5980hx
- canonical/amd ryzen 3 5425u
- canonical/amd ryzen 3 5425u firmware
- canonical/amd ryzen 7 3800xt firmware
- canonical/amd ryzen 7 3800x firmware
- canonical/amd ryzen 5 3450g firmware
- canonical/amd ryzen 5 3600 firmware
- canonical/amd ryzen 5 5560u firmware
- canonical/amd ryzen threadripper 1900x
- canonical/amd ryzen threadripper 1900x firmware
- canonical/amd ryzen threadripper 1920x firmware
- canonical/amd ryzen threadripper 1920x
- canonical/amd ryzen threadripper 1950x firmware
- canonical/amd ryzen threadripper 2920x
- canonical/amd ryzen threadripper 2920x firmware
- canonical/amd ryzen threadripper 2950x firmware
- canonical/amd ryzen threadripper 2970wx firmware
- canonical/amd ryzen threadripper 2990wx
- canonical/amd ryzen threadripper 3960x firmware
- canonical/amd ryzen threadripper 3970x
- canonical/amd ryzen threadripper 3970x firmware
- canonical/amd ryzen threadripper 3990x
- canonical/amd ryzen threadripper pro
- canonical/amd ryzen threadripper pro 3945wx firmware
- canonical/amd ryzen threadripper pro 3955wx firmware
- canonical/amd ryzen threadripper pro 3975wx firmware
- canonical/amd ryzen threadripper pro 3995wx firmware
- canonical/amd ryzen threadripper pro 5945wx firmware
- canonical/amd ryzen threadripper pro 5955wx firmware
- canonical/amd ryzen threadripper pro 5965wx firmware
- canonical/amd ryzen threadripper pro 5975w firmware
- canonical/amd ryzen threadripper pro 5995wx firmware
- canonical/amd ryzen 5 5600h firmware
- canonical/amd ryzen 5 5600hs firmware
- canonical/amd ryzen 5 5600u firmware
- canonical/amd ryzen 5 5600x
- canonical/amd ryzen 5 5600x firmware
- canonical/amd ryzen 5 5625c firmware
- canonical/amd ryzen 5 5625u firmware
- canonical/amd ryzen 5 5700g firmware
- canonical/amd ryzen 5 5700g
- canonical/amd ryzen 5 5700ge firmware
- canonical/amd ryzen 5 5700ge
- canonical/amd ryzen 5 3600x firmware
- canonical/amd ryzen 9 3900x
- canonical/amd ryzen 9 3950xt firmware
- canonical/amd ryzen 9 3950xt
- canonical/amd ryzen 3 3300x firmware