CVSS 3.1
5.5 mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCVE-2021-26336
Medium (5.5) in amd. EPSS 0.2% chance of exploitation in the next 30 days.
Insufficient bounds checking in System Management Unit (SMU) may cause invalid memory accesses/updates that could result in SMU hang and subsequent failure to service any further requests from other components.
Severity
- EPSS
- 0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-31)
- CWE
- CWE-119
- Published
- Modified
- Record from
- the NVD, synced
Affected
- amd:epyc_7002_firmware
- amd:epyc_7003_firmware
- 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_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_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_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_7f32_firmware
- amd:epyc_7f52_firmware
- amd:ryzen_3_3100_firmware
- amd:ryzen_3_3300g_firmware
- amd:ryzen_3_3300x_firmware
- amd:ryzen_3_5125c_firmware
- amd:ryzen_3_5400u_firmware
- amd:ryzen_3_5425c_firmware