CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2021-26379
Critical (9.8) in amd. EPSS 0.7% chance of exploitation in the next 30 days.
Insufficient input validation of mailbox data in the
SMU may allow an attacker to coerce the SMU to corrupt SMRAM, potentially
leading to a loss of integrity and privilege escalation.
Severity
- EPSS
- 0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- amd:epyc_7232p_firmware
- amd:epyc_7252_firmware
- amd:epyc_7262_firmware
- amd:epyc_7272_firmware
- amd:epyc_7282_firmware
- amd:epyc_72f3_firmware
- amd:epyc_7302_firmware
- amd:epyc_7302p_firmware
- amd:epyc_7313_firmware
- amd:epyc_7313p_firmware
- amd:epyc_7343_firmware
- amd:epyc_7352_firmware
- amd:epyc_7373x_firmware
- amd:epyc_73f3_firmware
- amd:epyc_7402_firmware
- amd:epyc_7402p_firmware
- amd:epyc_7413_firmware
- amd:epyc_7443_firmware
- amd:epyc_7443p_firmware
- amd:epyc_7452_firmware
- amd:epyc_7453_firmware
- amd:epyc_7473x_firmware
- amd:epyc_74f3_firmware
- amd:epyc_7502_firmware
- amd:epyc_7502p_firmware
- amd:epyc_7513_firmware
- amd:epyc_7532_firmware
- amd:epyc_7542_firmware
- amd:epyc_7543_firmware
- amd:epyc_7543p_firmware
- amd:epyc_7552_firmware
- amd:epyc_7573x_firmware
- amd:epyc_75f3_firmware
- amd:epyc_7642_firmware
- amd:epyc_7643_firmware
- amd:epyc_7662_firmware
- amd:epyc_7663_firmware
- amd:epyc_7702_firmware
- amd:epyc_7702p_firmware
- amd:epyc_7713_firmware
- amd:epyc_7713p_firmware
- amd:epyc_7742_firmware
- amd:epyc_7763_firmware
- amd:epyc_7773x_firmware
- amd:epyc_7f32_firmware
- amd:epyc_7f52_firmware
- amd:epyc_7f72_firmware
- amd:epyc_7h12_firmware