CVE-2024-21978 7.9 high EPSS 0.5%
High (7.9) in amd. EPSS 0.5% chance of exploitation in the next 30 days.
Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest memory potentially leading to data leakage or data corruption.
Severity
CVSS 3.1 7.9 high CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:NEnable JavaScript to see the metric table and diagram.
EPSS 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-11-01)
CWE CWE-20
Published 2024-08-05
Modified 2026-06-17
Record from the NVD, synced 2026-10-19 Affected amd:epyc_7203_firmware amd:epyc_7203p_firmware amd:epyc_72f3_firmware amd:epyc_7303_firmware amd:epyc_7303p_firmware amd:epyc_7313_firmware amd:epyc_7313p_firmware amd:epyc_7343_firmware amd:epyc_7373x_firmware amd:epyc_73f3_firmware amd:epyc_7413_firmware amd:epyc_7443_firmware amd:epyc_7443p_firmware amd:epyc_7453_firmware amd:epyc_7473x_firmware amd:epyc_74f3_firmware amd:epyc_7513_firmware amd:epyc_7543_firmware amd:epyc_7543p_firmware amd:epyc_7573x_firmware amd:epyc_75f3_firmware amd:epyc_7643_firmware amd:epyc_7643p_firmware amd:epyc_7663_firmware amd:epyc_7663p_firmware amd:epyc_7713_firmware amd:epyc_7713p_firmware amd:epyc_7763_firmware amd:epyc_7773x_firmware amd:epyc_8024p_firmware amd:epyc_8024pn_firmware amd:epyc_8124p_firmware amd:epyc_8124pn_firmware amd:epyc_8224p_firmware amd:epyc_8224pn_firmware amd:epyc_8324p_firmware amd:epyc_8324pn_firmware amd:epyc_8434p_firmware amd:epyc_8434pn_firmware amd:epyc_8534p_firmware amd:epyc_8534pn_firmware amd:epyc_9124_firmware amd:epyc_9174f_firmware amd:epyc_9184x_firmware amd:epyc_9224_firmware amd:epyc_9254_firmware amd:epyc_9274f_firmware amd:epyc_9334_firmware amd:epyc_9354_firmware amd:epyc_9354p_firmware References Check your stack JSON