CVE-2021-26339

A bug in AMD CPUs core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang resulting in a potential denial of service. AMD believes the specific code includes a specific x86 instruction sequence that would not be generated by compilers.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AMDCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 18%
VendorProductVersion
amdryzen_threadripper_pro_3945wx_firmware
*
amdryzen_threadripper_pro_3955wx_firmware
-
amdryzen_threadripper_pro_3975wx_firmware
-
amdryzen_threadripper_pro_3995wx_firmware
-
amdryzen_threadripper_pro_5945wx_firmware
-
amdryzen_threadripper_pro_5955wx_firmware
-
amdryzen_threadripper_pro_5965wx_firmware
-
amdryzen_threadripper_pro_5975wx_firmware
-
amdryzen_threadripper_pro_5995wx_firmware
-
amdryzen_3_2200u_firmware
-
amdryzen_3_2300u_firmware
-
amdryzen_3_pro_2300u_firmware
-
amdryzen_5_2500u_firmware
-
amdryzen_5_pro_2500u_firmware
-
amdryzen_5_2600h_firmware
-
amdryzen_7_2700u_firmware
-
amdryzen_7_pro_2700u_firmware
-
amdryzen_7_2800h_firmware
-
amdryzen_3_3300g_firmware
-
amdryzen_3_3300x_firmware
-
amdryzen_3_3100_firmware
-
amdryzen_3_pro_3300u_firmware
-
amdryzen_5_3400g_firmware
-
amdryzen_5_3450g_firmware
-
amdryzen_5_3600_firmware
-
amdryzen_5_3600x_firmware
-
amdryzen_5_pro_3500u_firmware
-
amdryzen_7_3700x_firmware
-
amdryzen_7_3800x_firmware
-
amdryzen_7_pro_3700u_firmware
-
𝑥
= Vulnerable software versions