CVE-2021-26355: Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid message port registers that could result in a potential…

PriorityP419medium5.5CVSS 3.1

AVLACLPRLUINSUCNINAH

EPSS

0.17%

6.7th percentile

Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid message port registers that could result in a potential denial-of-service.

Affected

25 ranges

Vendor	Product	Version range	Fixed in
amd	3rd_gen_epyc	—	—
amd	epyc_7003_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_72f3_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7313_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7313p_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7343_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7373x_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_73f3_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7413_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7443_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7443p_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7453_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_74f3_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7513_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7543_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7543p_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7573x_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_75f3_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7643_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7663_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7713_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7713p_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7743_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7763_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7
amd	epyc_7773x_firmware	< milanpi-sp3_1.0.0.7	milanpi-sp3_1.0.0.7

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