CVE-2021-26328

published 2023-01-11

CVE-2021-26328: Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP guests.

medium 4.4 CVSS 3.1

AV L AC L PR L UI N S U C N I L A L

Failure to verify the mode of CPU execution at the time of SNP_INIT may lead to a potential loss of memory integrity for SNP guests.

Affected

25 ranges

Vendor	Product	Version range	Fixed in
amd	3rd_gen_epyc	—	—
amd	epyc_7003_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_72f3_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7313_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7313p_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7343_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7373x_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_73f3_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7413_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7443_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7443p_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7453_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_74f3_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7513_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7543_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7543p_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7573x_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_75f3_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7643_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7663_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7713_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7713p_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7743_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7763_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8
amd	epyc_7773x_firmware	< milanpi_1.0.0.8	milanpi_1.0.0.8

CWE-358