CVE-2023-31346: Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests.

PriorityP426medium6CVSS 3.1

AVLACLPRHUINSCCHINAN

EPSS

0.31%

22.9th percentile

Failure to initialize memory in SEV Firmware may allow a privileged attacker to access stale data from other guests.

Affected

64 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

nvdv3.16.0MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

osv6.0MEDIUM

vendor_redhat6.0MEDIUM

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.