First published: Tue Aug 09 2022(Updated: )
Execution unit scheduler contention may lead to a side channel vulnerability found on AMD CPU microarchitectures codenamed “Zen 1”, “Zen 2” and “Zen 3” that use simultaneous multithreading (SMT). By measuring the contention level on scheduler queues an attacker may potentially leak sensitive information.
Credit: psirt@amd.com
Affected Software | Affected Version | How to fix |
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Amd Athlon 3050ge Firmware | ||
Amd Athlon 3050ge | ||
Amd Athlon 3150g Firmware | ||
Amd Athlon 3150g | ||
Amd Athlon 3150ge Firmware | ||
Amd Athlon 3150ge | ||
Amd Epyc 7001 Firmware | ||
Amd Epyc 7001 | ||
Amd Epyc 7002 Firmware | ||
Amd Epyc 7002 | ||
Amd Epyc 7003 Firmware | ||
Amd Epyc 7003 | ||
Amd Epyc 7232p Firmware | ||
Amd Epyc 7232p | ||
Amd Epyc 7251 Firmware | ||
Amd Epyc 7251 | ||
Amd Epyc 7252 Firmware | ||
Amd Epyc 7252 | ||
Amd Epyc 7261 Firmware | ||
Amd Epyc 7261 | ||
Amd Epyc 7262 Firmware | ||
Amd Epyc 7262 | ||
Amd Epyc 7272 Firmware | ||
Amd Epyc 7272 | ||
Amd Epyc 7281 Firmware | ||
Amd Epyc 7281 | ||
Amd Epyc 7282 Firmware | ||
Amd Epyc 7282 | ||
Amd Epyc 72f3 Firmware | ||
Amd Epyc 72f3 | ||
Amd Epyc 7301 Firmware | ||
Amd Epyc 7301 | ||
Amd Epyc 7302 Firmware | ||
Amd Epyc 7302 | ||
Amd Epyc 7302p Firmware | ||
Amd Epyc 7302p | ||
Amd Epyc 7313 Firmware | ||
Amd Epyc 7313 | ||
Amd Epyc 7313p Firmware | ||
Amd Epyc 7313p | ||
Amd Epyc 7343 Firmware | ||
Amd Epyc 7343 | ||
Amd Epyc 7351 Firmware | ||
Amd Epyc 7351 | ||
Amd Epyc 7351p Firmware | ||
Amd Epyc 7351p | ||
Amd Epyc 7352 Firmware | ||
Amd Epyc 7352 | ||
Amd Epyc 7371 Firmware | ||
Amd Epyc 7371 | ||
Amd Epyc 7373x Firmware | ||
Amd Epyc 7373x | ||
Amd Epyc 73f3 Firmware | ||
Amd Epyc 73f3 | ||
Amd Epyc 7401 Firmware | ||
Amd Epyc 7401 | ||
Amd Epyc 7401p Firmware | ||
Amd Epyc 7401p | ||
Amd Epyc 7402 Firmware | ||
Amd Epyc 7402 | ||
Amd Epyc 7402p Firmware | ||
Amd Epyc 7402p | ||
Amd Epyc 7413 Firmware | ||
Amd Epyc 7413 | ||
Amd Epyc 7443 Firmware | ||
Amd Epyc 7443 | ||
Amd Epyc 7443p Firmware | ||
Amd Epyc 7443p | ||
Amd Epyc 7451 Firmware | ||
Amd Epyc 7451 | ||
Amd Epyc 7452 Firmware | ||
Amd Epyc 7452 | ||
Amd Epyc 7453 Firmware | ||
Amd Epyc 7453 | ||
Amd Epyc 7473x Firmware | ||
Amd Epyc 7473x | ||
Amd Epyc 74f3 Firmware | ||
Amd Epyc 74f3 | ||
Amd Epyc 7501 Firmware | ||
Amd Epyc 7501 | ||
Amd Epyc 7502 Firmware | ||
Amd Epyc 7502 | ||
Amd Epyc 7502p Firmware | ||
Amd Epyc 7502p | ||
Amd Epyc 7513 Firmware | ||
Amd Epyc 7513 | ||
Amd Epyc 7532 Firmware | ||
Amd Epyc 7532 | ||
Amd Epyc 7542 Firmware | ||
Amd Epyc 7542 | ||
Amd Epyc 7543 Firmware | ||
Amd Epyc 7543 | ||
Amd Epyc 7543p Firmware | ||
Amd Epyc 7543p | ||
Amd Epyc 7551 Firmware | ||
Amd Epyc 7551 | ||
Amd Epyc 7551p Firmware | ||
Amd Epyc 7551p | ||
Amd Epyc 7552 Firmware | ||
Amd Epyc 7552 | ||
Amd Epyc 7573x Firmware | ||
Amd Epyc 7573x | ||
Amd Epyc 75f3 Firmware | ||
Amd Epyc 75f3 | ||
Amd Epyc 7601 Firmware | ||
Amd Epyc 7601 | ||
Amd Epyc 7642 Firmware | ||
Amd Epyc 7642 | ||
Amd Epyc 7643 Firmware | ||
Amd Epyc 7643 | ||
Amd Epyc 7662 Firmware | ||
Amd Epyc 7662 | ||
Amd Epyc 7663 Firmware | ||
Amd Epyc 7663 | ||
Amd Epyc 7702 Firmware | ||
Amd Epyc 7702 | ||
Amd Epyc 7702p Firmware | ||
Amd Epyc 7702p | ||
Amd Epyc 7713 Firmware | ||
Amd Epyc 7713 | ||
Amd Epyc 7713p Firmware | ||
Amd Epyc 7713p | ||
Amd Epyc 7742 Firmware | ||
Amd Epyc 7742 | ||
Amd Epyc 7763 Firmware | ||
Amd Epyc 7763 | ||
Amd Epyc 7773x Firmware | ||
Amd Epyc 7773x | ||
Amd Epyc 7f32 Firmware | ||
Amd Epyc 7f32 | ||
Amd Epyc 7f52 Firmware | ||
Amd Epyc 7f52 | ||
Amd Epyc 7f72 Firmware | ||
Amd Epyc 7f72 | ||
Amd Epyc 7h12 Firmware | ||
Amd Epyc 7h12 | ||
Amd Ryzen 3 2200u Firmware | ||
Amd Ryzen 3 2200u | ||
Amd Ryzen 3 2300u Firmware | ||
Amd Ryzen 3 2300u | ||
Amd Ryzen 3 3100 Firmware | ||
Amd Ryzen 3 3100 | ||
Amd Ryzen 3 3200u Firmware | ||
Amd Ryzen 3 3200u | ||
Amd Ryzen 3 3250u Firmware | ||
Amd Ryzen 3 3250u | ||
Amd Ryzen 3 3300g Firmware | ||
Amd Ryzen 3 3300g | ||
Amd Ryzen 3 3300u Firmware | ||
Amd Ryzen 3 3300u | ||
Amd Ryzen 3 3300x Firmware | ||
Amd Ryzen 3 3300x | ||
Amd Ryzen 3 3350u Firmware | ||
Amd Ryzen 3 3350u | ||
Amd Ryzen 3 3450u Firmware | ||
Amd Ryzen 3 3450u | ||
Amd Ryzen 3 3500c Firmware | ||
Amd Ryzen 3 3500c | ||
Amd Ryzen 3 3500u Firmware | ||
Amd Ryzen 3 3500u | ||
Amd Ryzen 3 3550h Firmware | ||
Amd Ryzen 3 3550h | ||
Amd Ryzen 3 3580u Firmware | ||
Amd Ryzen 3 3580u | ||
Amd Ryzen 3 3700c Firmware | ||
Amd Ryzen 3 3700c | ||
Amd Ryzen 3 3700u Firmware | ||
Amd Ryzen 3 3700u | ||
Amd Ryzen 3 3750h Firmware | ||
Amd Ryzen 3 3750h | ||
Amd Ryzen 3 3780u Firmware | ||
Amd Ryzen 3 3780u | ||
Amd Ryzen 3 4300g Firmware | ||
Amd Ryzen 3 4300g | ||
Amd Ryzen 3 4300ge Firmware | ||
Amd Ryzen 3 4300ge | ||
Amd Ryzen 3 4300u Firmware | ||
Amd Ryzen 3 4300u | ||
Amd Ryzen 3 5125c Firmware | ||
Amd Ryzen 3 5125c | ||
Amd Ryzen 3 5300g Firmware | ||
Amd Ryzen 3 5300g | ||
Amd Ryzen 3 5300ge Firmware | ||
Amd Ryzen 3 5300ge | ||
Amd Ryzen 3 5300u Firmware | ||
Amd Ryzen 3 5300u | ||
Amd Ryzen 3 5400u Firmware | ||
Amd Ryzen 3 5400u | ||
Amd Ryzen 3 5425c Firmware | ||
Amd Ryzen 3 5425c | ||
Amd Ryzen 3 5425u Firmware | ||
Amd Ryzen 3 5425u | ||
Amd Ryzen 5 2500u Firmware | ||
Amd Ryzen 5 2500u | ||
Amd Ryzen 5 2600 Firmware | ||
Amd Ryzen 5 2600 | ||
Amd Ryzen 5 2600h Firmware | ||
Amd Ryzen 5 2600h | ||
Amd Ryzen 5 2600x Firmware | ||
Amd Ryzen 5 2600x | ||
Amd Ryzen 5 2700x Firmware | ||
Amd Ryzen 5 2700x | ||
Amd Ryzen 5 3400g Firmware | ||
Amd Ryzen 5 3400g | ||
Amd Ryzen 5 3450g Firmware | ||
Amd Ryzen 5 3450g | ||
Amd Ryzen 5 3500u Firmware | ||
Amd Ryzen 5 3500u | ||
Amd Ryzen 5 3550h Firmware | ||
Amd Ryzen 5 3550h | ||
Amd Ryzen 5 3580u Firmware | ||
Amd Ryzen 5 3580u | ||
Amd Ryzen 5 3600 Firmware | ||
Amd Ryzen 5 3600 | ||
Amd Ryzen 5 3600x Firmware | ||
Amd Ryzen 5 3600x | ||
Amd Ryzen 5 3600xt Firmware | ||
Amd Ryzen 5 3600xt | ||
Amd Ryzen 5 4500u Firmware | ||
Amd Ryzen 5 4500u | ||
Amd Ryzen 5 4600g Firmware | ||
Amd Ryzen 5 4600g | ||
Amd Ryzen 5 4600ge Firmware | ||
Amd Ryzen 5 4600ge | ||
Amd Ryzen 5 4600h Firmware | ||
Amd Ryzen 5 4600h | ||
Amd Ryzen 5 4600u Firmware | ||
Amd Ryzen 5 4600u | ||
Amd Ryzen 5 5500u Firmware | ||
Amd Ryzen 5 5500u | ||
Amd Ryzen 5 5560u Firmware | ||
Amd Ryzen 5 5560u | ||
Amd Ryzen 5 5600g Firmware | ||
Amd Ryzen 5 5600g | ||
Amd Ryzen 5 5600ge Firmware | ||
Amd Ryzen 5 5600ge | ||
Amd Ryzen 5 5600h Firmware | ||
Amd Ryzen 5 5600h | ||
Amd Ryzen 5 5600hs Firmware | ||
Amd Ryzen 5 5600hs | ||
Amd Ryzen 5 5600u Firmware | ||
Amd Ryzen 5 5600u | ||
Amd Ryzen 5 5600x Firmware | ||
Amd Ryzen 5 5600x | ||
Amd Ryzen 5 5625c Firmware | ||
Amd Ryzen 5 5625c | ||
Amd Ryzen 5 5625u Firmware | ||
Amd Ryzen 5 5625u | ||
Amd Ryzen 5 5700g Firmware | ||
Amd Ryzen 5 5700g | ||
Amd Ryzen 5 5700ge Firmware | ||
Amd Ryzen 5 5700ge | ||
Amd Ryzen 7 2700 Firmware | ||
Amd Ryzen 7 2700 | ||
Amd Ryzen 7 2700u Firmware | ||
Amd Ryzen 7 2700u | ||
Amd Ryzen 7 2700x Firmware | ||
Amd Ryzen 7 2700x | ||
Amd Ryzen 7 2800h Firmware | ||
Amd Ryzen 7 2800h | ||
Amd Ryzen 7 3700u Firmware | ||
Amd Ryzen 7 3700u | ||
Amd Ryzen 7 3700x Firmware | ||
Amd Ryzen 7 3700x | ||
Amd Ryzen 7 3750h Firmware | ||
Amd Ryzen 7 3750h | ||
Amd Ryzen 7 3780u Firmware | ||
Amd Ryzen 7 3780u | ||
Amd Ryzen 7 3800x Firmware | ||
Amd Ryzen 7 3800x | ||
Amd Ryzen 7 3800xt Firmware | ||
Amd Ryzen 7 3800xt | ||
Amd Ryzen 7 4700g Firmware | ||
Amd Ryzen 7 4700g | ||
Amd Ryzen 7 4700ge Firmware | ||
Amd Ryzen 7 4700ge | ||
Amd Ryzen 7 4700u Firmware | ||
Amd Ryzen 7 4700u | ||
Amd Ryzen 7 4800h Firmware | ||
Amd Ryzen 7 4800h | ||
Amd Ryzen 7 4800u Firmware | ||
Amd Ryzen 7 4800u | ||
Amd Ryzen 7 5700g Firmware | ||
Amd Ryzen 7 5700g | ||
Amd Ryzen 7 5700ge Firmware | ||
Amd Ryzen 7 5700ge | ||
Amd Ryzen 7 5700u Firmware | ||
Amd Ryzen 7 5700u | ||
Amd Ryzen 7 5700x Firmware | ||
Amd Ryzen 7 5700x | ||
Amd Ryzen 7 5800h Firmware | ||
Amd Ryzen 7 5800h | ||
Amd Ryzen 7 5800hs Firmware | ||
Amd Ryzen 7 5800hs | ||
Amd Ryzen 7 5800u Firmware | ||
Amd Ryzen 7 5800u | ||
Amd Ryzen 7 5800x Firmware | ||
Amd Ryzen 7 5800x | ||
Amd Ryzen 7 5800x3d Firmware | ||
Amd Ryzen 7 5800x3d | ||
Amd Ryzen 7 5825c Firmware | ||
Amd Ryzen 7 5825c | ||
Amd Ryzen 7 5825u Firmware | ||
Amd Ryzen 7 5825u | ||
Amd Ryzen 9 3900x Firmware | ||
Amd Ryzen 9 3900x | ||
Amd Ryzen 9 3950x Firmware | ||
Amd Ryzen 9 3950x | ||
Amd Ryzen 9 4900h Firmware | ||
Amd Ryzen 9 4900h | ||
Amd Ryzen 9 4900hs Firmware | ||
Amd Ryzen 9 4900hs | ||
Amd Ryzen 9 5900hs Firmware | ||
Amd Ryzen 9 5900hs | ||
Amd Ryzen 9 5900hx Firmware | ||
Amd Ryzen 9 5900hx | ||
Amd Ryzen 9 5900x Firmware | ||
Amd Ryzen 9 5900x | ||
Amd Ryzen 9 5950x Firmware | ||
Amd Ryzen 9 5950x | ||
Amd Ryzen 9 5980hs Firmware | ||
Amd Ryzen 9 5980hs | ||
Amd Ryzen 9 5980hx Firmware | ||
Amd Ryzen 9 5980hx | ||
Amd Ryzen Threadripper 2920x Firmware | ||
Amd Ryzen Threadripper 2920x | ||
Amd Ryzen Threadripper 2950x Firmware | ||
Amd Ryzen Threadripper 2950x | ||
Amd Ryzen Threadripper 2970wx Firmware | ||
Amd Ryzen Threadripper 2970wx | ||
Amd Ryzen Threadripper 2990wx Firmware | ||
Amd Ryzen Threadripper 2990wx | ||
Amd Ryzen Threadripper 3960x Firmware | ||
Amd Ryzen Threadripper 3960x | ||
Amd Ryzen Threadripper 3970x Firmware | ||
Amd Ryzen Threadripper 3970x | ||
Amd Ryzen Threadripper 3990x Firmware | ||
Amd Ryzen Threadripper 3990x | ||
Amd Ryzen Threadripper Pro 3795wx Firmware | ||
Amd Ryzen Threadripper Pro 3795wx | ||
Amd Ryzen Threadripper Pro 3945wx Firmware | ||
Amd Ryzen Threadripper Pro 3945wx | ||
Amd Ryzen Threadripper Pro 3955wx Firmware | ||
Amd Ryzen Threadripper Pro 3955wx | ||
Amd Ryzen Threadripper Pro 3975wx Firmware | ||
Amd Ryzen Threadripper Pro 3975wx | ||
Amd Ryzen Threadripper Pro 3995wx Firmware | ||
Amd Ryzen Threadripper Pro 3995wx | ||
Amd Ryzen Threadripper Pro 5945wx Firmware | ||
Amd Ryzen Threadripper Pro 5945wx | ||
Amd Ryzen Threadripper Pro 5955wx Firmware | ||
Amd Ryzen Threadripper Pro 5955wx | ||
Amd Ryzen Threadripper Pro 5965wx Firmware | ||
Amd Ryzen Threadripper Pro 5965wx | ||
Amd Ryzen Threadripper Pro 5975wx Firmware | ||
Amd Ryzen Threadripper Pro 5975wx | ||
Amd Ryzen Threadripper Pro 5995wx Firmware | ||
Amd Ryzen Threadripper Pro 5995wx |
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