CVE-2023-31347: Due to a code bug in Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a guest to observe an incorrect TSC when Secure TSC is…

PriorityP425medium4.9CVSS 3.1

AVNACLPRHUINSUCNIHAN

EPSS

0.46%

37.0th percentile

Due to a code bug in Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a guest to observe an incorrect TSC when Secure TSC is enabled potentially resulting in a loss of guest integrity.

Affected

63 ranges· showing 25

Vendor	Product	Version range	Fixed in
amd	3rd_gen_amd_epyc_processors	—	—
amd	4th_gen_amd_epyc_processors	—	—
amd	epyc_7203_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7203p_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_72f3_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7303_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7303p_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7313_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7313p_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7343_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7373x_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_73f3_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7413_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7443_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7443p_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7453_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7473x_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_74f3_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7513_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7543_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7543p_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7573x_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_75f3_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7643_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c
amd	epyc_7643p_firmware	< milanpi_1.0.0.c	milanpi_1.0.0.c

CVSS provenance

nvdv3.14.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

osv4.9MEDIUM

vendor_redhat4.9MEDIUM

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