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    Dashboard / CVE / CVE-2021-26339

    CVE-2021-26339

    A bug in AMD CPU’s 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.

    Published:May 11, 2022
    Last Modified:Nov 21, 2024
    EPS:May 11, 2022
    EPSS Score:0.0009
    CVSS Score:5.5

    Affected Products

    Vendor
    Amd
    Product
    Epyc 72f3
    Vendor
    Amd
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    Epyc 72f3 Firmware
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    Amd
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    Epyc 7313
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    Epyc 7313 Firmware
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    Epyc 7313p
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    Epyc 7313p Firmware
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    Epyc 7343
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    Epyc 7343 Firmware
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    Epyc 7373x
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    Epyc 7373x Firmware
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    Epyc 73f3
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    Amd
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    Epyc 73f3 Firmware
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    Amd
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    Epyc 7413
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    Amd
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    Epyc 7413 Firmware
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    Amd
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    Epyc 7443
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    Epyc 7443 Firmware
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    Epyc 7443p
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    Epyc 7443p Firmware
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    Epyc 7453
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    Epyc 7453 Firmware
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    Epyc 7473x
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    Epyc 7473x Firmware
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    Epyc 74f3
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    Epyc 74f3 Firmware
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    Amd
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    Epyc 7513
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    Epyc 7513 Firmware
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    Epyc 7543
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    Epyc 7543 Firmware
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    Epyc 7543p
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    Epyc 7543p Firmware
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    Epyc 7573x
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    Epyc 7573x Firmware
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    Epyc 75f3
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    Epyc 75f3 Firmware
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    Epyc 7643
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    Epyc 7643 Firmware
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    Epyc 7663
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    Epyc 7663 Firmware
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    Epyc 7713
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    Epyc 7713 Firmware
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    Epyc 7713p
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    Epyc 7713p Firmware
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    Epyc 7763
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    Epyc 7763 Firmware
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    Epyc 7773x
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    Epyc 7773x Firmware
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    Ryzen 3 2200u
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    Ryzen 3 2200u Firmware
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    Ryzen 3 2300u
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    Ryzen 3 2300u Firmware
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    Ryzen 3 3100
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    Ryzen 3 3100 Firmware
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    Ryzen 3 3300g
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    Ryzen 3 3300g Firmware
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    Ryzen 3 3300x
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    Ryzen 3 3300x Firmware
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    Ryzen 3 4300g
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    Ryzen 3 4300g Firmware
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    Ryzen 3 4300ge
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    Ryzen 3 4300ge Firmware
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    Ryzen 3 5125c
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    Ryzen 3 5125c Firmware
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    Ryzen 3 5300g
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    Ryzen 3 5300ge
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    Ryzen 3 5400u
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    Ryzen 3 5425c
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    Ryzen 3 5425u
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    Ryzen 3 5425u Firmware
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    Ryzen 3 Pro 2300u
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    Ryzen 3 Pro 2300u Firmware
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    Ryzen 3 Pro 3300u
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    Ryzen 3 Pro 3300u Firmware
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    Ryzen 5 2500u
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    Ryzen 5 2500u Firmware
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    Ryzen 5 2600h
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    Ryzen 5 2600h Firmware
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    Ryzen 5 3400g
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    Ryzen 5 3400g Firmware
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    Ryzen 5 3450g
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    Ryzen 5 3450g Firmware
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    Ryzen 5 3600
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    Ryzen 5 3600 Firmware
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    Ryzen 5 3600x
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    Ryzen 5 3600x Firmware
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    Ryzen 5 4600g
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    Ryzen 5 4600ge
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    Ryzen 5 5560u
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    Ryzen 5 5600h
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    Ryzen 5 5600u
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    Ryzen 5 5625c
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    Ryzen 5 5625c Firmware
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    Ryzen 5 5625u
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    Ryzen 5 5625u Firmware
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    Ryzen 5 5700g
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    Ryzen 5 5700g Firmware
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    Ryzen 5 5700ge
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    Ryzen 5 5700ge Firmware
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    Ryzen 5 Pro 2500u
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    Ryzen 5 Pro 2500u Firmware
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    Ryzen 5 Pro 3500u
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    Ryzen 5 Pro 3500u Firmware
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    Ryzen 7 2700u
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    Ryzen 7 2700u Firmware
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    Ryzen 7 2800h
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    Ryzen 7 2800h Firmware
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    Ryzen 7 3700x
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    Ryzen 7 3700x Firmware
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    Ryzen 7 3800x
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    Ryzen 7 3800x Firmware
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    Ryzen 7 4700g
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    Ryzen 7 4700ge
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    Ryzen 7 5700g
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    Ryzen 7 5700ge
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    Ryzen 7 5800h
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    Ryzen 7 5825u
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    Ryzen 7 Pro 2700u
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    Ryzen 7 Pro 2700u Firmware
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    Ryzen 7 Pro 3700u
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    Ryzen 7 Pro 3700u Firmware
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    Ryzen 9 5900hs
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    Ryzen 9 5900hx
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    Ryzen 9 5900hx Firmware
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    Ryzen 9 5980hs
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    Ryzen 9 5980hs Firmware
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    Ryzen 9 5980hx
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    Ryzen 9 5980hx Firmware
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    Ryzen Threadripper Pro 3945wx
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    Ryzen Threadripper Pro 3945wx Firmware
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    Ryzen Threadripper Pro 3955wx
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    Ryzen Threadripper Pro 3955wx Firmware
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    Ryzen Threadripper Pro 3975wx
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    Ryzen Threadripper Pro 3975wx Firmware
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    Ryzen Threadripper Pro 3995wx
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    Ryzen Threadripper Pro 3995wx Firmware
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    Ryzen Threadripper Pro 5945wx
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    Ryzen Threadripper Pro 5945wx Firmware
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    Ryzen Threadripper Pro 5955wx
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    Ryzen Threadripper Pro 5955wx Firmware
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    Ryzen Threadripper Pro 5965wx
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    Ryzen Threadripper Pro 5965wx Firmware
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    Amd
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    Ryzen Threadripper Pro 5975wx
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    Ryzen Threadripper Pro 5975wx Firmware
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    Amd
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    Ryzen Threadripper Pro 5995wx
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    Amd
    Product
    Ryzen Threadripper Pro 5995wx Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High