CVE-2021-26401
First published: Tue Mar 08 2022(Updated: )
A flaw was found in hw. The speculative execution window of AMD LFENCE/JMP mitigation (MITIGATION V2-2) may be large enough to be exploited on AMD CPUs.
Credit: psirt@amd.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <0:2.6.32-754.49.1.el6 | 0:2.6.32-754.49.1.el6 |
| redhat/kernel-rt | <0:3.10.0-1160.83.1.rt56.1228.el7 | 0:3.10.0-1160.83.1.rt56.1228.el7 |
| redhat/kernel | <0:3.10.0-1160.83.1.el7 | 0:3.10.0-1160.83.1.el7 |
| redhat/kernel-rt | <0:4.18.0-372.9.1.rt7.166.el8 | 0:4.18.0-372.9.1.rt7.166.el8 |
| redhat/kernel | <0:4.18.0-372.9.1.el8 | 0:4.18.0-372.9.1.el8 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.13-1 | |
| AMD Athlon X4 940 Firmware | ||
| AMD Athlon X4 940 | ||
| AMD Athlon X4 950 Firmware | ||
| AMD Athlon X4 950 Firmware | ||
| AMD Athlon X4 970 firmware | ||
| AMD Athlon X4 970 firmware | ||
| AMD Athlon X4 835 firmware | ||
| AMD Athlon X4 835 | ||
| AMD Athlon X4 845 | ||
| AMD Athlon X4 845 | ||
| AMD Athlon X4 830 Firmware | ||
| AMD Athlon X4 830 Firmware | ||
| AMD Athlon X4 840 Firmware | ||
| AMD Athlon X4 840 | ||
| AMD Athlon X4 860K Firmware | ||
| AMD Athlon X4 860K | ||
| AMD Athlon X4 870K Firmware | ||
| AMD Athlon X4 870K | ||
| AMD Athlon X4 880K Firmware | ||
| AMD Athlon X4 880K Firmware | ||
| AMD Athlon X4 750 | ||
| AMD Athlon X4 750 | ||
| AMD Athlon X4 760K Firmware | ||
| AMD Athlon X4 760K | ||
| AMD Ryzen Threadripper Pro 5995WX Firmware | ||
| AMD Ryzen Threadripper Pro 5995WX | ||
| AMD Ryzen Threadripper Pro 5975WX Firmware | ||
| AMD Ryzen Threadripper PRO 5975WX | ||
| AMD Ryzen Threadripper Pro 5965WX Firmware | ||
| AMD Ryzen Threadripper Pro 5965WX Firmware | ||
| AMD Ryzen Threadripper Pro 5955WX Firmware | ||
| AMD Ryzen Threadripper Pro 5955WX Firmware | ||
| AMD Ryzen Threadripper Pro 5945WX Firmware | ||
| AMD Ryzen Threadripper Pro 5945WX Firmware | ||
| AMD Ryzen Threadripper 2990WX | ||
| AMD Ryzen Threadripper 2990WX | ||
| AMD Ryzen Threadripper 2970WX Firmware | ||
| AMD Ryzen Threadripper 2970WX Firmware | ||
| AMD Ryzen Threadripper 2950X Firmware | ||
| AMD Ryzen Threadripper 2950X Firmware | ||
| AMD Ryzen Threadripper 2920X Firmware | ||
| AMD Ryzen Threadripper 2920X Firmware | ||
| AMD Ryzen Threadripper 3970X Firmware | ||
| AMD Ryzen Threadripper 3970X Firmware | ||
| AMD A12-9730P Firmware | ||
| AMD A12-9730P | ||
| AMD A12-9700P Firmware | ||
| AMD A12-9700P Firmware | ||
| AMD A10-9630P Firmware | ||
| AMD A10-9630P | ||
| AMD A10-9600P Firmware | ||
| AMD A10-9600P Firmware | ||
| AMD A9-9420 | ||
| AMD A9-9420 | ||
| AMD a9-9410 firmware | ||
| AMD a9-9410 firmware | ||
| AMD a6-9220 firmware | ||
| AMD a6-9220 firmware | ||
| AMD A6-9220c firmware | ||
| AMD A6-9220c firmware | ||
| AMD A6-9210 | ||
| AMD A6-9210 | ||
| AMD A4-9120 Firmware | ||
| AMD A4-9120 | ||
| AMD Ryzen 7 2700X | ||
| AMD Ryzen 7 2700X | ||
| AMD Ryzen 7 2700 Firmware | ||
| AMD Ryzen 7 2700 Firmware | ||
| AMD Ryzen 5 2600X | ||
| AMD Ryzen 5 2600X | ||
| AMD Ryzen 5 2600X | ||
| AMD Ryzen 5 2600 | ||
| AMD Ryzen 9 3950x firmware | ||
| AMD Ryzen 9 3950x firmware | ||
| AMD Ryzen 9 3900X | ||
| AMD Ryzen 9 3900X | ||
| AMD Ryzen 7 3800XT Firmware | ||
| AMD Ryzen 7 3800X | ||
| AMD Ryzen 7 3700X Firmware | ||
| AMD Ryzen 7 3700X Firmware | ||
| AMD Ryzen 5 3600X Firmware | ||
| AMD Ryzen 5 3600X Firmware | ||
| AMD Ryzen 5 3600 firmware | ||
| AMD Ryzen 5 3600 | ||
| AMD Ryzen 5 Pro 3400G Firmware | ||
| AMD Ryzen 5 Pro 3400G | ||
| AMD Ryzen 3 3300X Firmware | ||
| AMD Ryzen 3 3300X Firmware | ||
| AMD Ryzen 3 3300G Firmware | ||
| AMD Ryzen 3 3300G Firmware | ||
| AMD Ryzen 3 3100 Firmware | ||
| AMD Ryzen 3 3100 Firmware | ||
| AMD Ryzen 7 4700G Firmware | ||
| AMD Ryzen 7 4700G | ||
| AMD Ryzen 7 4700GE Firmware | ||
| AMD Ryzen 7 4700GE Firmware | ||
| AMD Ryzen 5 4600G Firmware | ||
| AMD Ryzen 5 4600G Firmware | ||
| AMD Ryzen 5 4600GE firmware | ||
| AMD Ryzen 5 4600GE | ||
| AMD Ryzen 3 4300G Firmware | ||
| AMD Ryzen 4300G | ||
| AMD Ryzen 4300GE Firmware | ||
| AMD Ryzen 4300GE | ||
| AMD Athlon Gold 3450G | ||
| AMD Athlon Gold 3450G | ||
| AMD Athlon Gold 3150GE Firmware | ||
| AMD Athlon Gold Pro 3150GE Firmware | ||
| AMD Athlon Silver 3050GE Firmware | ||
| AMD Athlon Silver 3050GE | ||
| AMD Ryzen 3 2200U Firmware | ||
| AMD Ryzen 3 2200U Firmware | ||
| AMD Ryzen 3 2300U Firmware | ||
| AMD Ryzen 3 2300U | ||
| amd ryzen 3 pro 2300u firmware | ||
| amd ryzen 3 pro 2300u | ||
| AMD Ryzen 5 2500U Firmware | ||
| AMD Ryzen 5 2500U | ||
| amd ryzen 5 pro 2500u firmware | ||
| amd ryzen 5 pro 2500u | ||
| AMD Ryzen 5 2600H Firmware | ||
| AMD Ryzen 5 2600H | ||
| AMD Ryzen 7 2700U Firmware | ||
| AMD Ryzen 7 2700U Firmware | ||
| amd ryzen 7 pro 2700u firmware | ||
| amd ryzen 7 pro 2700u | ||
| AMD Ryzen 7 2800H Firmware | ||
| AMD Ryzen 7 2800H Firmware | ||
| AMD Athlon Gold 3150U Firmware | ||
| AMD Athlon Gold 3150U | ||
| AMD Athlon Silver 3050U firmware | ||
| AMD Athlon Silver 3050U firmware | ||
| amd ryzen 7 pro 3700u firmware | ||
| amd ryzen 7 pro 3700u | ||
| AMD Ryzen 5 Pro 3500U Firmware | ||
| AMD Ryzen 5 Pro 3500U Firmware | ||
| AMD Ryzen 3 Pro 3300U Firmware | ||
| AMD Ryzen 3 Pro 3300U Firmware | ||
| AMD Athlon Pro 300U | ||
| AMD Athlon Pro 300U Firmware | ||
| AMD Ryzen 9 5980HX | ||
| AMD Ryzen 9 5980HX Firmware | ||
| AMD Ryzen 9 5980HS Firmware | ||
| AMD Ryzen 9 5980HS Firmware | ||
| AMD Ryzen 7 5825U Firmware | ||
| AMD Ryzen 7 5825U Firmware | ||
| AMD Ryzen 9 5900HX Firmware | ||
| AMD Ryzen 9 5900HX | ||
| AMD Ryzen 9 5900HS Firmware | ||
| AMD Ryzen 9 5900HS Firmware | ||
| AMD Ryzen 5 5625U Firmware | ||
| AMD Ryzen 5 5625U Firmware | ||
| AMD Ryzen 7 5800H Firmware | ||
| AMD Ryzen 7 5800H Firmware | ||
| AMD Ryzen 7 5800HS Firmware | ||
| AMD Ryzen 7 5800HS Firmware | ||
| AMD Ryzen 5 5600H Firmware | ||
| AMD Ryzen 5 5600H | ||
| AMD Ryzen 5 5600HS Firmware | ||
| AMD Ryzen 5 5600HS | ||
| AMD Ryzen 7 5800U Firmware | ||
| AMD Ryzen 7 5800U Firmware | ||
| AMD Ryzen 5 5600U Firmware | ||
| AMD Ryzen 5 5600U | ||
| AMD Ryzen 3 5425U | ||
| AMD Ryzen 3 5425U | ||
| AMD Ryzen 3 5400U Firmware | ||
| AMD Ryzen 3 5400U | ||
| amd ryzen 9 4900hs firmware | ||
| amd ryzen 9 4900hs | ||
| AMD Ryzen 7 4800H Firmware | ||
| AMD Ryzen 7 4800H | ||
| AMD Ryzen 5 4600H Firmware | ||
| AMD Ryzen 5 4600H Firmware | ||
| AMD EPYC 7F72 Firmware | ||
| AMD EPYC 7F72 | ||
| AMD EPYC 7F52 Firmware | ||
| AMD EPYC 7F52 | ||
| AMD EPYC 7F32 Firmware | ||
| AMD EPYC 7F32 Firmware | ||
| AMD EPYC 7H12 Firmware | ||
| AMD EPYC 7H12 | ||
| AMD EPYC 7742 firmware | ||
| AMD EPYC 7742 firmware | ||
| AMD EPYC 7702 Firmware | ||
| AMD EPYC 7702 | ||
| AMD EPYC 7702 Firmware | ||
| AMD EPYC 7702p | ||
| AMD EPYC 7662 Firmware | ||
| AMD EPYC 7662 | ||
| AMD EPYC 7642 Firmware | ||
| AMD EPYC 7642 Firmware | ||
| AMD EPYC 7552 Firmware | ||
| AMD EPYC Embedded 7552 | ||
| AMD EPYC 7542 Firmware | ||
| AMD EPYC 7542 | ||
| AMD EPYC 7532 Firmware | ||
| AMD EPYC 7532 | ||
| Amd Epyc Server Firmware | ||
| AMD EPYC 7502 | ||
| AMD EPYC 7502P Firmware | ||
| AMD EPYC 7502P | ||
| AMD EPYC 7452 Firmware | ||
| AMD EPYC 7452 | ||
| Amd Epyc Server Firmware | ||
| AMD EPYC 7402 | ||
| AMD EPYC 7402P Firmware | ||
| AMD EPYC 7402P | ||
| AMD EPYC 7352 firmware | ||
| AMD EPYC 7352 | ||
| Amd Epyc Server Firmware | ||
| AMD EPYC 7302P | ||
| AMD EPYC 7302P Firmware | ||
| AMD EPYC 7302P | ||
| AMD EPYC 7282 Firmware | ||
| AMD EPYC 7282 | ||
| AMD EPYC 7272 firmware | ||
| AMD EPYC 7272 firmware | ||
| AMD EPYC 7262 Firmware | ||
| AMD EPYC 7262 Firmware | ||
| AMD EPYC 7252 Firmware | ||
| AMD EPYC 7252 Firmware | ||
| AMD EPYC 7232p firmware | ||
| AMD EPYC 7232p firmware | ||
| AMD EPYC 7601 Firmware | ||
| AMD EPYC 7601 Firmware | ||
| AMD EPYC 7551P Firmware | ||
| AMD EPYC 7551P Firmware | ||
| Amd Epyc Server Firmware | ||
| AMD EPYC 7551 Firmware | ||
| AMD EPYC 7501 firmware | ||
| AMD EPYC 7501 | ||
| AMD EPYC 7451 Firmware | ||
| AMD EPYC 7451 Firmware | ||
| AMD EPYC 7401P Firmware | ||
| AMD EPYC 7401P | ||
| Amd Epyc Server Firmware | ||
| AMD EPYC 7401 | ||
| AMD EPYC 7371 Firmware | ||
| AMD EPYC 7371 Firmware | ||
| AMD EPYC 7351P Firmware | ||
| AMD EPYC 7351P Firmware | ||
| AMD EPYC 7351P Firmware | ||
| AMD EPYC 7351P Firmware | ||
| Amd Epyc Server Firmware | ||
| AMD EPYC 7301 Firmware | ||
| Amd Epyc Server Firmware | ||
| AMD EPYC 7281 Firmware | ||
| AMD EPYC 7261 Firmware | ||
| AMD Epyc 7261 | ||
| AMD EPYC 7251 Firmware | ||
| AMD EPYC 7251 | ||
| All of | ||
| AMD Athlon X4 940 Firmware | ||
| AMD Athlon X4 940 | ||
| All of | ||
| AMD Athlon X4 950 Firmware | ||
| AMD Athlon X4 950 Firmware | ||
| All of | ||
| AMD Athlon X4 970 firmware | ||
| AMD Athlon X4 970 firmware | ||
| All of | ||
| AMD Athlon X4 835 firmware | ||
| AMD Athlon X4 835 | ||
| All of | ||
| AMD Athlon X4 845 | ||
| AMD Athlon X4 845 | ||
| All of | ||
| AMD Athlon X4 830 Firmware | ||
| AMD Athlon X4 830 Firmware | ||
| All of | ||
| AMD Athlon X4 840 Firmware | ||
| AMD Athlon X4 840 | ||
| All of | ||
| AMD Athlon X4 860K Firmware | ||
| AMD Athlon X4 860K | ||
| All of | ||
| AMD Athlon X4 870K Firmware | ||
| AMD Athlon X4 870K | ||
| All of | ||
| AMD Athlon X4 880K Firmware | ||
| AMD Athlon X4 880K Firmware | ||
| All of | ||
| AMD Athlon X4 750 | ||
| AMD Athlon X4 750 | ||
| All of | ||
| AMD Athlon X4 760K Firmware | ||
| AMD Athlon X4 760K | ||
| All of | ||
| AMD Ryzen Threadripper Pro 5995WX Firmware | ||
| AMD Ryzen Threadripper Pro 5995WX | ||
| All of | ||
| AMD Ryzen Threadripper Pro 5975WX Firmware | ||
| AMD Ryzen Threadripper PRO 5975WX | ||
| All of | ||
| AMD Ryzen Threadripper Pro 5965WX Firmware | ||
| AMD Ryzen Threadripper Pro 5965WX Firmware | ||
| All of | ||
| AMD Ryzen Threadripper Pro 5955WX Firmware | ||
| AMD Ryzen Threadripper Pro 5955WX Firmware | ||
| All of | ||
| AMD Ryzen Threadripper Pro 5945WX Firmware | ||
| AMD Ryzen Threadripper Pro 5945WX Firmware | ||
| All of | ||
| AMD Ryzen Threadripper 2990WX | ||
| AMD Ryzen Threadripper 2990WX | ||
| All of | ||
| AMD Ryzen Threadripper 2970WX Firmware | ||
| AMD Ryzen Threadripper 2970WX Firmware | ||
| All of | ||
| AMD Ryzen Threadripper 2950X Firmware | ||
| AMD Ryzen Threadripper 2950X Firmware | ||
| All of | ||
| AMD Ryzen Threadripper 2920X Firmware | ||
| AMD Ryzen Threadripper 2920X Firmware | ||
| All of | ||
| AMD Ryzen Threadripper 3970X Firmware | ||
| AMD Ryzen Threadripper 3970X Firmware | ||
| All of | ||
| AMD A12-9730P Firmware | ||
| AMD A12-9730P | ||
| All of | ||
| AMD A12-9700P Firmware | ||
| AMD A12-9700P Firmware | ||
| All of | ||
| AMD A10-9630P Firmware | ||
| AMD A10-9630P | ||
| All of | ||
| AMD A10-9600P Firmware | ||
| AMD A10-9600P Firmware | ||
| All of | ||
| AMD A9-9420 | ||
| AMD A9-9420 | ||
| All of | ||
| AMD a9-9410 firmware | ||
| AMD a9-9410 firmware | ||
| All of | ||
| AMD a6-9220 firmware | ||
| AMD a6-9220 firmware | ||
| All of | ||
| AMD A6-9220c firmware | ||
| AMD A6-9220c firmware | ||
| All of | ||
| AMD A6-9210 | ||
| AMD A6-9210 | ||
| All of | ||
| AMD A4-9120 Firmware | ||
| AMD A4-9120 | ||
| All of | ||
| AMD Ryzen 7 2700X | ||
| AMD Ryzen 7 2700X | ||
| All of | ||
| AMD Ryzen 7 2700 Firmware | ||
| AMD Ryzen 7 2700 Firmware | ||
| All of | ||
| AMD Ryzen 5 2600X | ||
| AMD Ryzen 5 2600X | ||
| All of | ||
| AMD Ryzen 5 2600X | ||
| AMD Ryzen 5 2600 | ||
| All of | ||
| AMD Ryzen 9 3950x firmware | ||
| AMD Ryzen 9 3950x firmware | ||
| All of | ||
| AMD Ryzen 9 3900X | ||
| AMD Ryzen 9 3900X | ||
| All of | ||
| AMD Ryzen 7 3800XT Firmware | ||
| AMD Ryzen 7 3800X | ||
| All of | ||
| AMD Ryzen 7 3700X Firmware | ||
| AMD Ryzen 7 3700X Firmware | ||
| All of | ||
| AMD Ryzen 5 3600X Firmware | ||
| AMD Ryzen 5 3600X Firmware | ||
| All of | ||
| AMD Ryzen 5 3600 firmware | ||
| AMD Ryzen 5 3600 | ||
| All of | ||
| AMD Ryzen 5 Pro 3400G Firmware | ||
| AMD Ryzen 5 Pro 3400G | ||
| All of | ||
| AMD Ryzen 3 3300X Firmware | ||
| AMD Ryzen 3 3300X Firmware | ||
| All of | ||
| AMD Ryzen 3 3300G Firmware | ||
| AMD Ryzen 3 3300G Firmware | ||
| All of | ||
| AMD Ryzen 3 3100 Firmware | ||
| AMD Ryzen 3 3100 Firmware | ||
| All of | ||
| AMD Ryzen 7 4700G Firmware | ||
| AMD Ryzen 7 4700G | ||
| All of | ||
| AMD Ryzen 7 4700GE Firmware | ||
| AMD Ryzen 7 4700GE Firmware | ||
| All of | ||
| AMD Ryzen 5 4600G Firmware | ||
| AMD Ryzen 5 4600G Firmware | ||
| All of | ||
| AMD Ryzen 5 4600GE firmware | ||
| AMD Ryzen 5 4600GE | ||
| All of | ||
| AMD Ryzen 3 4300G Firmware | ||
| AMD Ryzen 4300G | ||
| All of | ||
| AMD Ryzen 4300GE Firmware | ||
| AMD Ryzen 4300GE | ||
| All of | ||
| AMD Athlon Gold 3450G | ||
| AMD Athlon Gold 3450G | ||
| All of | ||
| AMD Athlon Gold 3150GE Firmware | ||
| AMD Athlon Gold Pro 3150GE Firmware | ||
| All of | ||
| AMD Athlon Silver 3050GE Firmware | ||
| AMD Athlon Silver 3050GE | ||
| All of | ||
| AMD Ryzen 3 2200U Firmware | ||
| AMD Ryzen 3 2200U Firmware | ||
| All of | ||
| AMD Ryzen 3 2300U Firmware | ||
| AMD Ryzen 3 2300U | ||
| All of | ||
| amd ryzen 3 pro 2300u firmware | ||
| amd ryzen 3 pro 2300u | ||
| All of | ||
| AMD Ryzen 5 2500U Firmware | ||
| AMD Ryzen 5 2500U | ||
| All of | ||
| amd ryzen 5 pro 2500u firmware | ||
| amd ryzen 5 pro 2500u | ||
| All of | ||
| AMD Ryzen 5 2600H Firmware | ||
| AMD Ryzen 5 2600H | ||
| All of | ||
| AMD Ryzen 7 2700U Firmware | ||
| AMD Ryzen 7 2700U Firmware | ||
| All of | ||
| amd ryzen 7 pro 2700u firmware | ||
| amd ryzen 7 pro 2700u | ||
| All of | ||
| AMD Ryzen 7 2800H Firmware | ||
| AMD Ryzen 7 2800H Firmware | ||
| All of | ||
| AMD Athlon Gold 3150U Firmware | ||
| AMD Athlon Gold 3150U | ||
| All of | ||
| AMD Athlon Silver 3050U firmware | ||
| AMD Athlon Silver 3050U firmware | ||
| All of | ||
| amd ryzen 7 pro 3700u firmware | ||
| amd ryzen 7 pro 3700u | ||
| All of | ||
| AMD Ryzen 5 Pro 3500U Firmware | ||
| AMD Ryzen 5 Pro 3500U Firmware | ||
| All of | ||
| AMD Ryzen 3 Pro 3300U Firmware | ||
| AMD Ryzen 3 Pro 3300U Firmware | ||
| All of | ||
| AMD Athlon Pro 300U | ||
| AMD Athlon Pro 300U Firmware | ||
| All of | ||
| AMD Ryzen 9 5980HX | ||
| AMD Ryzen 9 5980HX Firmware | ||
| All of | ||
| AMD Ryzen 9 5980HS Firmware | ||
| AMD Ryzen 9 5980HS Firmware | ||
| All of | ||
| AMD Ryzen 7 5825U Firmware | ||
| AMD Ryzen 7 5825U Firmware | ||
| All of | ||
| AMD Ryzen 9 5900HX Firmware | ||
| AMD Ryzen 9 5900HX | ||
| All of | ||
| AMD Ryzen 9 5900HS Firmware | ||
| AMD Ryzen 9 5900HS Firmware | ||
| All of | ||
| AMD Ryzen 5 5625U Firmware | ||
| AMD Ryzen 5 5625U Firmware | ||
| All of | ||
| AMD Ryzen 7 5800H Firmware | ||
| AMD Ryzen 7 5800H Firmware | ||
| All of | ||
| AMD Ryzen 7 5800HS Firmware | ||
| AMD Ryzen 7 5800HS Firmware | ||
| All of | ||
| AMD Ryzen 5 5600H Firmware | ||
| AMD Ryzen 5 5600H | ||
| All of | ||
| AMD Ryzen 5 5600HS Firmware | ||
| AMD Ryzen 5 5600HS | ||
| All of | ||
| AMD Ryzen 7 5800U Firmware | ||
| AMD Ryzen 7 5800U Firmware | ||
| All of | ||
| AMD Ryzen 5 5600U Firmware | ||
| AMD Ryzen 5 5600U | ||
| All of | ||
| AMD Ryzen 3 5425U | ||
| AMD Ryzen 3 5425U | ||
| All of | ||
| AMD Ryzen 3 5400U Firmware | ||
| AMD Ryzen 3 5400U | ||
| All of | ||
| amd ryzen 9 4900hs firmware | ||
| amd ryzen 9 4900hs | ||
| All of | ||
| AMD Ryzen 7 4800H Firmware | ||
| AMD Ryzen 7 4800H | ||
| All of | ||
| AMD Ryzen 5 4600H Firmware | ||
| AMD Ryzen 5 4600H Firmware | ||
| All of | ||
| AMD EPYC 7F72 Firmware | ||
| AMD EPYC 7F72 | ||
| All of | ||
| AMD EPYC 7F52 Firmware | ||
| AMD EPYC 7F52 | ||
| All of | ||
| AMD EPYC 7F32 Firmware | ||
| AMD EPYC 7F32 Firmware | ||
| All of | ||
| AMD EPYC 7H12 Firmware | ||
| AMD EPYC 7H12 | ||
| All of | ||
| AMD EPYC 7742 firmware | ||
| AMD EPYC 7742 firmware | ||
| All of | ||
| AMD EPYC 7702 Firmware | ||
| AMD EPYC 7702 | ||
| All of | ||
| AMD EPYC 7702 Firmware | ||
| AMD EPYC 7702p | ||
| All of | ||
| AMD EPYC 7662 Firmware | ||
| AMD EPYC 7662 | ||
| All of | ||
| AMD EPYC 7642 Firmware | ||
| AMD EPYC 7642 Firmware | ||
| All of | ||
| AMD EPYC 7552 Firmware | ||
| AMD EPYC Embedded 7552 | ||
| All of | ||
| AMD EPYC 7542 Firmware | ||
| AMD EPYC 7542 | ||
| All of | ||
| AMD EPYC 7532 Firmware | ||
| AMD EPYC 7532 | ||
| All of | ||
| Amd Epyc Server Firmware | ||
| AMD EPYC 7502 | ||
| All of | ||
| AMD EPYC 7502P Firmware | ||
| AMD EPYC 7502P | ||
| All of | ||
| AMD EPYC 7452 Firmware | ||
| AMD EPYC 7452 | ||
| All of | ||
| Amd Epyc Server Firmware | ||
| AMD EPYC 7402 | ||
| All of | ||
| AMD EPYC 7402P Firmware | ||
| AMD EPYC 7402P | ||
| All of | ||
| AMD EPYC 7352 firmware | ||
| AMD EPYC 7352 | ||
| All of | ||
| Amd Epyc Server Firmware | ||
| AMD EPYC 7302P | ||
| All of | ||
| AMD EPYC 7302P Firmware | ||
| AMD EPYC 7302P | ||
| All of | ||
| AMD EPYC 7282 Firmware | ||
| AMD EPYC 7282 | ||
| All of | ||
| AMD EPYC 7272 firmware | ||
| AMD EPYC 7272 firmware | ||
| All of | ||
| AMD EPYC 7262 Firmware | ||
| AMD EPYC 7262 Firmware | ||
| All of | ||
| AMD EPYC 7252 Firmware | ||
| AMD EPYC 7252 Firmware | ||
| All of | ||
| AMD EPYC 7232p firmware | ||
| AMD EPYC 7232p firmware | ||
| All of | ||
| AMD EPYC 7601 Firmware | ||
| AMD EPYC 7601 Firmware | ||
| All of | ||
| AMD EPYC 7551P Firmware | ||
| AMD EPYC 7551P Firmware | ||
| All of | ||
| Amd Epyc Server Firmware | ||
| AMD EPYC 7551 Firmware | ||
| All of | ||
| AMD EPYC 7501 firmware | ||
| AMD EPYC 7501 | ||
| All of | ||
| AMD EPYC 7451 Firmware | ||
| AMD EPYC 7451 Firmware | ||
| All of | ||
| AMD EPYC 7401P Firmware | ||
| AMD EPYC 7401P | ||
| All of | ||
| Amd Epyc Server Firmware | ||
| AMD EPYC 7401 | ||
| All of | ||
| AMD EPYC 7371 Firmware | ||
| AMD EPYC 7371 Firmware | ||
| All of | ||
| AMD EPYC 7351P Firmware | ||
| AMD EPYC 7351P Firmware | ||
| All of | ||
| AMD EPYC 7351P Firmware | ||
| AMD EPYC 7351P Firmware | ||
| All of | ||
| Amd Epyc Server Firmware | ||
| AMD EPYC 7301 Firmware | ||
| All of | ||
| Amd Epyc Server Firmware | ||
| AMD EPYC 7281 Firmware | ||
| All of | ||
| AMD EPYC 7261 Firmware | ||
| AMD Epyc 7261 | ||
| All of | ||
| AMD EPYC 7251 Firmware | ||
| AMD EPYC 7251 |
Remedy
AMD recommends mitigation that uses generic retpoline.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2021-26401 https://nvd.nist.gov/vuln/detail/CVE-2021-26401 https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1036
- https://bugzilla.redhat.com/show_bug.cgi?id=2061700
- https://access.redhat.com/errata/RHSA-2023:0187
- https://access.redhat.com/errata/RHSA-2023:0400
- https://access.redhat.com/errata/RHSA-2023:0399
- https://access.redhat.com/errata/RHSA-2022:1975
- https://access.redhat.com/errata/RHSA-2022:1988
- https://access.redhat.com/security/cve/cve-2021-26401
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1036
- http://www.openwall.com/lists/oss-security/2022/03/18/2
- https://launchpad.net/bugs/cve/CVE-2021-26401
- https://access.redhat.com/security/cve/CVE-2017-5715
- https://xenbits.xen.org/xsa/advisory-398.html
- https://security-tracker.debian.org/tracker/CVE-2021-26401
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26401
- https://nvd.nist.gov/vuln/detail/CVE-2021-26401
- https://ubuntu.com/security/CVE-2021-26401
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the severity of CVE-2021-26401?
CVE-2021-26401 is considered to have medium severity due to potential exploitation in certain AMD CPUs.
How can I fix CVE-2021-26401?
To remediate CVE-2021-26401, you should update your system to the latest kernel versions provided by your vendor that address the flaw.
Which AMD CPUs are affected by CVE-2021-26401?
CVE-2021-26401 impacts various AMD CPUs, particularly those utilizing specific versions of the LFENCE/JMP mitigation.
Are there any available patches for CVE-2021-26401?
Yes, patches for CVE-2021-26401 have been released for certain kernel versions by multiple vendors.
What implications does CVE-2021-26401 have for system security?
CVE-2021-26401 could allow malicious users to exploit speculative execution vulnerabilities to gain unauthorized access to sensitive information.
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