Medium severity5.5NVD Advisory· Published May 11, 2022· Updated Jun 17, 2026

CVE-2021-26376

Description

Insufficient checks in System Management Unit (SMU) FeatureConfig may result in reenabling features potentially resulting in denial of resources and/or denial of service.

Affected products

118

AMD/Ryzen™ Seriesv5
Range: various
AMD/Athlon™ Seriesv5
Range: various
AMD/AMD processorscpe-rescue
Range: various
osv-coords31 versions
pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Manager%20Proxy%204.1 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Manager%20Server%204.1 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Micro%205.1 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Micro%205.2 pkg:rpm/opensuse/kernel-firmware&distro=openSUSE%20Leap%2015.3 pkg:rpm/suse/kernel-firmware&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Enterprise%20Storage%207 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/opensuse/kernel-firmware&distro=openSUSE%20Leap%2015.4 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCL pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCL pkg:rpm/suse/kernel-firmware&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1 pkg:rpm/suse/kernel-firmware&distro=SUSE%20OpenStack%20Cloud%209 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/kernel-firmware&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/kernel-firmware&distro=SUSE%20Enterprise%20Storage%206
< 20200107-150100.3.31.1+ 30 more
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20210208-150300.4.10.1
- (no CPE)range: < 20210208-150300.4.10.1
- (no CPE)range: < 20210208-150300.4.10.1
- (no CPE)range: < 20210208-150300.4.10.1
- (no CPE)range: < 20190618-5.25.2
- (no CPE)range: < 20190618-5.25.2
- (no CPE)range: < 20191118-150000.3.42.1
- (no CPE)range: < 20191118-150000.3.42.1
- (no CPE)range: < 20191118-150000.3.42.1
- (no CPE)range: < 20220509-150400.4.5.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20190618-5.25.2
- (no CPE)range: < 20220509-150400.4.5.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20200107-150100.3.31.1
- (no CPE)range: < 20190618-5.25.2
- (no CPE)range: < 20190618-5.25.2
- (no CPE)range: < 20190618-5.25.2
- (no CPE)range: < 20191118-150000.3.42.1
- (no CPE)range: < 20200107-150100.3.31.1
AMD/System Management Unitllm-fuzzy
AMD/Epyc 7642 Firmware3 versions
cpe:2.3:o:amd:epyc_7232p_firmware:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:amd:epyc_7232p_firmware:*:*:*:*:*:*:*:*range: <romepi-sp3_1.0.0.d
- cpe:2.3:o:amd:epyc_7552_firmware:*:*:*:*:*:*:*:*range: <romepi-sp3_1.0.0.d
- cpe:2.3:o:amd:epyc_7642_firmware:*:*:*:*:*:*:*:*range: <romepi-sp3_1.0.0.d
AMD/Epyc 7302p Firmware
cpe:2.3:o:amd:epyc_7302p_firmware:*:*:*:*:*:*:*:*
Range: <romepi-sp3_1.0.0.d
AMD/Epyc 7742 Firmware4 versions
cpe:2.3:o:amd:epyc_7402p_firmware:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:o:amd:epyc_7402p_firmware:*:*:*:*:*:*:*:*range: <romepi-sp3_1.0.0.d
- cpe:2.3:o:amd:epyc_7702p_firmware:*:*:*:*:*:*:*:*range: <romepi-sp3_1.0.0.d
- cpe:2.3:o:amd:epyc_7272_firmware:*:*:*:*:*:*:*:*range: <romepi-sp3_1.0.0.d
- cpe:2.3:o:amd:epyc_7742_firmware:*:*:*:*:*:*:*:*range: <romepi-sp3_1.0.0.d
AMD/Epyc 7302 Firmware2 versions
cpe:2.3:o:amd:epyc_7502p_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:amd:epyc_7502p_firmware:*:*:*:*:*:*:*:*range: <romepi-sp3_1.0.0.d
- cpe:2.3:o:amd:epyc_7302_firmware:*:*:*:*:*:*:*:*range: <romepi-sp3_1.0.0.d
AMD/Epyc 7252 Firmware
cpe:2.3:o:amd:epyc_7252_firmware:*:*:*:*:*:*:*:*
Range: <romepi-sp3_1.0.0.d
AMD/Epyc 7262 Firmware
cpe:2.3:o:amd:epyc_7262_firmware:*:*:*:*:*:*:*:*
Range: <romepi-sp3_1.0.0.d
AMD/Epyc 7542 Firmware2 versions
cpe:2.3:o:amd:epyc_7282_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:amd:epyc_7282_firmware:*:*:*:*:*:*:*:*range: <romepi-sp3_1.0.0.d
- cpe:2.3:o:amd:epyc_7542_firmware:*:*:*:*:*:*:*:*range: <romepi-sp3_1.0.0.d
AMD/Epyc 7352 Firmware
cpe:2.3:o:amd:epyc_7352_firmware:*:*:*:*:*:*:*:*
Range: <romepi-sp3_1.0.0.d
AMD/Epyc 7402 Firmware
cpe:2.3:o:amd:epyc_7402_firmware:*:*:*:*:*:*:*:*
Range: <romepi-sp3_1.0.0.d
AMD/Epyc 7452 Firmware
cpe:2.3:o:amd:epyc_7452_firmware:*:*:*:*:*:*:*:*
Range: <romepi-sp3_1.0.0.d
AMD/Epyc 7502 Firmware
cpe:2.3:o:amd:epyc_7502_firmware:*:*:*:*:*:*:*:*
Range: <romepi-sp3_1.0.0.d
AMD/Epyc 7f32 Firmware2 versions
cpe:2.3:o:amd:epyc_7532_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:amd:epyc_7532_firmware:*:*:*:*:*:*:*:*range: <romepi-sp3_1.0.0.d
- cpe:2.3:o:amd:epyc_7f32_firmware:*:*:*:*:*:*:*:*range: <romepi-sp3_1.0.0.d
AMD/Epyc 7662 Firmware
cpe:2.3:o:amd:epyc_7662_firmware:*:*:*:*:*:*:*:*
Range: <romepi-sp3_1.0.0.d
AMD/Epyc 7702 Firmware
cpe:2.3:o:amd:epyc_7702_firmware:*:*:*:*:*:*:*:*
Range: <romepi-sp3_1.0.0.d
AMD/Epyc 7f52 Firmware
cpe:2.3:o:amd:epyc_7f52_firmware:*:*:*:*:*:*:*:*
Range: <romepi-sp3_1.0.0.d
AMD/Epyc 7f72 Firmware
cpe:2.3:o:amd:epyc_7f72_firmware:*:*:*:*:*:*:*:*
Range: <romepi-sp3_1.0.0.d
AMD/Epyc 7313p Firmware
cpe:2.3:o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 7443p Firmware
cpe:2.3:o:amd:epyc_7443p_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 7543p Firmware
cpe:2.3:o:amd:epyc_7543p_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 7713p Firmware
cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 7773x Firmware
cpe:2.3:o:amd:epyc_7773x_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 7763 Firmware
cpe:2.3:o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 7713 Firmware
cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 7663 Firmware
cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 7643 Firmware
cpe:2.3:o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 7573x Firmware
cpe:2.3:o:amd:epyc_7573x_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 75f3 Firmware
cpe:2.3:o:amd:epyc_75f3_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 7513 Firmware
cpe:2.3:o:amd:epyc_7513_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 7473x Firmware
cpe:2.3:o:amd:epyc_7473x_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 7453 Firmware
cpe:2.3:o:amd:epyc_7453_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 74f3 Firmware
cpe:2.3:o:amd:epyc_74f3_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 7413 Firmware
cpe:2.3:o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 73f3 Firmware
cpe:2.3:o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 7373x Firmware
cpe:2.3:o:amd:epyc_7373x_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 7343 Firmware
cpe:2.3:o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Epyc 72f3 Firmware
cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:*
Range: <milanpi-sp3_1.0.0.7
AMD/Ryzen 5 5600u Firmware
cpe:2.3:o:amd:ryzen_3_3100_firmware:*:*:*:*:*:*:*:*
Range: <comboam4pi_1.0.0.8
AMD/Ryzen 3 3300x Firmware
cpe:2.3:o:amd:ryzen_3_3300x_firmware:*:*:*:*:*:*:*:*
Range: <comboam4pi_1.0.0.8
AMD/Ryzen 9 5950x Firmware
cpe:2.3:o:amd:ryzen_9_5950x_firmware:*:*:*:*:*:*:*:*
Range: <comboam4_v2_pi_1.2.0.6c
AMD/Ryzen 7 5800x3d Firmware
cpe:2.3:o:amd:ryzen_7_5800x3d_firmware:*:*:*:*:*:*:*:*
Range: <comboam4_v2_pi_1.2.0.6c
AMD/Ryzen 9 5900x Firmware
cpe:2.3:o:amd:ryzen_9_5900x_firmware:*:*:*:*:*:*:*:*
Range: <comboam4_v2_pi_1.2.0.6c
AMD/Ryzen 7 5800x Firmware
cpe:2.3:o:amd:ryzen_7_5800x_firmware:*:*:*:*:*:*:*:*
Range: <comboam4_v2_pi_1.2.0.6c
AMD/Ryzen 5 5600x Firmware
cpe:2.3:o:amd:ryzen_5_5600x_firmware:*:*:*:*:*:*:*:*
Range: <comboam4_v2_pi_1.2.0.6c
AMD/Ryzen 7 5700x Firmware
cpe:2.3:o:amd:ryzen_7_5700x_firmware:*:*:*:*:*:*:*:*
Range: <comboam4_v2_pi_1.2.0.6c
AMD/Ryzen 5 5600 Firmware
cpe:2.3:o:amd:ryzen_5_5600_firmware:*:*:*:*:*:*:*:*
Range: <comboam4_v2_pi_1.2.0.6c
AMD/Ryzen 5 5500 Firmware
cpe:2.3:o:amd:ryzen_5_5500_firmware:*:*:*:*:*:*:*:*
Range: <comboam4_v2_pi_1.2.0.6c
AMD/Ryzen 7 5700g Firmware
cpe:2.3:o:amd:ryzen_7_5700g_firmware:*:*:*:*:*:*:*:*
Range: <comboam4_v2_pi_1.2.0.6c
AMD/Ryzen 5 5600g Firmware
cpe:2.3:o:amd:ryzen_5_5600g_firmware:*:*:*:*:*:*:*:*
Range: <comboam4_v2_pi_1.2.0.6c
AMD/Ryzen Threadripper 2990wx Firmware
cpe:2.3:o:amd:ryzen_threadripper_2990wx_firmware:*:*:*:*:*:*:*:*
Range: <summitpi-sp3r2_1.1.0.5
AMD/Ryzen Threadripper 2970wx Firmware
cpe:2.3:o:amd:ryzen_threadripper_2970wx_firmware:*:*:*:*:*:*:*:*
Range: <summitpi-sp3r2_1.1.0.5
AMD/Ryzen Threadripper 2950x Firmware
cpe:2.3:o:amd:ryzen_threadripper_2950x_firmware:*:*:*:*:*:*:*:*
Range: <summitpi-sp3r2_1.1.0.5
AMD/Ryzen Threadripper 2920x Firmware2 versions
cpe:2.3:o:amd:ryzen_threadripper_2920x_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:amd:ryzen_threadripper_2920x_firmware:*:*:*:*:*:*:*:*range: <summitpi-sp3r2_1.1.0.5
- cpe:2.3:o:amd:ryzen_threadripper_pro_5995wx_firmware:*:*:*:*:*:*:*:*range: <castlepeakwspi-swrx8_1.0.0.9
AMD/Ryzen Threadripper 3990x Firmware
cpe:2.3:o:amd:ryzen_threadripper_3990x_firmware:*:*:*:*:*:*:*:*
Range: <castlepeakpi-sp3r3_1.0.0.7
AMD/Ryzen Threadripper 3970x Firmware
cpe:2.3:o:amd:ryzen_threadripper_3970x_firmware:*:*:*:*:*:*:*:*
Range: <castlepeakpi-sp3r3_1.0.0.7
AMD/Ryzen Threadripper 3960x Firmware
cpe:2.3:o:amd:ryzen_threadripper_3960x_firmware:*:*:*:*:*:*:*:*
Range: <castlepeakpi-sp3r3_1.0.0.7
AMD/Ryzen Threadripper 1950x Firmware
cpe:2.3:o:amd:ryzen_threadripper_1950x_firmware:*:*:*:*:*:*:*:*
Range: <castlepeakpi-sp3r3_1.0.0.7
AMD/Ryzen Threadripper 1920x Firmware
cpe:2.3:o:amd:ryzen_threadripper_1920x_firmware:*:*:*:*:*:*:*:*
Range: <castlepeakpi-sp3r3_1.0.0.7
AMD/Ryzen Threadripper 1900x Firmware
cpe:2.3:o:amd:ryzen_threadripper_1900x_firmware:*:*:*:*:*:*:*:*
Range: <castlepeakpi-sp3r3_1.0.0.7
AMD/Ryzen Threadripper Pro 3945wx Firmware
cpe:2.3:o:amd:ryzen_threadripper_pro_3945wx_firmware:*:*:*:*:*:*:*:*
Range: <chagallwspi-swrx8_1.0.0.2
AMD/Ryzen Threadripper Pro 3955wx Firmware
cpe:2.3:o:amd:ryzen_threadripper_pro_3955wx_firmware:*:*:*:*:*:*:*:*
Range: <chagallwspi-swrx8_1.0.0.2
AMD/Ryzen Threadripper Pro 3975wx Firmware
cpe:2.3:o:amd:ryzen_threadripper_pro_3975wx_firmware:*:*:*:*:*:*:*:*
Range: <chagallwspi-swrx8_1.0.0.2
AMD/Ryzen Threadripper Pro 3995wx Firmware
cpe:2.3:o:amd:ryzen_threadripper_pro_3995wx_firmware:*:*:*:*:*:*:*:*
Range: <chagallwspi-swrx8_1.0.0.2
AMD/Ryzen Threadripper Pro 5945wx Firmware
cpe:2.3:o:amd:ryzen_threadripper_pro_5945wx_firmware:*:*:*:*:*:*:*:*
Range: <castlepeakwspi-swrx8_1.0.0.9
AMD/Ryzen Threadripper Pro 5955wx Firmware
cpe:2.3:o:amd:ryzen_threadripper_pro_5955wx_firmware:*:*:*:*:*:*:*:*
Range: <castlepeakwspi-swrx8_1.0.0.9
AMD/Ryzen Threadripper Pro 5965wx Firmware
cpe:2.3:o:amd:ryzen_threadripper_pro_5965wx_firmware:*:*:*:*:*:*:*:*
Range: <castlepeakwspi-swrx8_1.0.0.9
AMD/Ryzen Threadripper Pro 5975wx Firmware
cpe:2.3:o:amd:ryzen_threadripper_pro_5975wx_firmware:*:*:*:*:*:*:*:*
Range: <castlepeakwspi-swrx8_1.0.0.9
AMD/Ryzen 3 2200u Firmware
cpe:2.3:o:amd:ryzen_3_2200u_firmware:*:*:*:*:*:*:*:*
Range: <raven-fp5-am4_1.1.0.e
AMD/Ryzen 3 2300u Firmware
cpe:2.3:o:amd:ryzen_3_2300u_firmware:*:*:*:*:*:*:*:*
Range: <raven-fp5-am4_1.1.0.e
AMD/Ryzen 3 5425u Firmware
cpe:2.3:o:amd:ryzen_5_2500u_firmware:*:*:*:*:*:*:*:*
Range: <raven-fp5-am4_1.1.0.e
AMD/Ryzen 5 2600h Firmware
cpe:2.3:o:amd:ryzen_5_2600h_firmware:*:*:*:*:*:*:*:*
Range: <raven-fp5-am4_1.1.0.e
AMD/Ryzen 7 Pro 3700u Firmware
cpe:2.3:o:amd:ryzen_7_2700u_firmware:*:*:*:*:*:*:*:*
Range: <raven-fp5-am4_1.1.0.e
AMD/Ryzen 7 2800h Firmware
cpe:2.3:o:amd:ryzen_7_2800h_firmware:*:*:*:*:*:*:*:*
Range: <raven-fp5-am4_1.1.0.e
AMD/Ryzen 3 3200u Firmware
cpe:2.3:o:amd:ryzen_3_3200u_firmware:*:*:*:*:*:*:*:*
Range: <comboam4pi_1.0.0.8
AMD/Ryzen 3 3250u Firmware
cpe:2.3:o:amd:ryzen_3_3250u_firmware:*:*:*:*:*:*:*:*
Range: <comboam4pi_1.0.0.8

Patches

Vulnerability mechanics

References

www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027nvdVendor Advisory
www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028nvdVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000