CVE-2021-26402

Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability.

• amd epyc 7h12 firmware (< romepi 1.0.0.c) • amd epyc 7f72 firmware (< romepi 1.0.0.c) • amd epyc 7f52 firmware (< romepi 1.0.0.c) • amd epyc 7f32 firmware (< romepi 1.0.0.c) • amd epyc 7742 firmware (< romepi 1.0.0.c) • amd epyc 7702p firmware (< romepi 1.0.0.c) • amd epyc 7702 firmware (< romepi 1.0.0.c) • amd epyc 7662 firmware (< romepi 1.0.0.c) • amd epyc 7642 firmware (< romepi 1.0.0.c) • amd epyc 7552 firmware (< romepi 1.0.0.c) • amd epyc 7542 firmware (< romepi 1.0.0.c) • amd epyc 7532 firmware (< romepi 1.0.0.c) • amd epyc 7502p firmware (< romepi 1.0.0.c) • amd epyc 7502 firmware (< romepi 1.0.0.c) • amd epyc 7452 firmware (< romepi 1.0.0.c) • amd epyc 7402 firmware (< romepi 1.0.0.c) • amd epyc 7402p firmware (< romepi 1.0.0.c) • amd epyc 7352 firmware (< romepi 1.0.0.c) • amd epyc 7302p firmware (< romepi 1.0.0.c) • amd epyc 7302 firmware (< romepi 1.0.0.c) • amd epyc 7282 firmware (< romepi 1.0.0.c) • amd epyc 7272 firmware (< romepi 1.0.0.c) • amd epyc 7262 firmware (< romepi 1.0.0.c) • amd epyc 7252 firmware (< romepi 1.0.0.c) • amd epyc 7232p firmware (< romepi 1.0.0.c) • amd epyc 7002 firmware (< romepi 1.0.0.c) • amd epyc 7003 firmware (< milanpi 1.0.0.4) • amd epyc 72f3 firmware (< milanpi 1.0.0.4) • amd epyc 7313 firmware (< milanpi 1.0.0.4) • amd epyc 7313p firmware (< milanpi 1.0.0.4) • amd epyc 7343 firmware (< milanpi 1.0.0.4) • amd epyc 7373x firmware (< milanpi 1.0.0.4) • amd epyc 73f3 firmware (< milanpi 1.0.0.4) • amd epyc 7413 firmware (< milanpi 1.0.0.4) • amd epyc 7443 firmware (< milanpi 1.0.0.4) • amd epyc 7443p firmware (< milanpi 1.0.0.4) • amd epyc 7453 firmware (< milanpi 1.0.0.4) • amd epyc 74f3 firmware (< milanpi 1.0.0.4) • amd epyc 7513 firmware (< milanpi 1.0.0.4) • amd epyc 7543 firmware (< milanpi 1.0.0.4) • amd epyc 7543p firmware (< milanpi 1.0.0.4) • amd epyc 7573x firmware (< milanpi 1.0.0.4) • amd epyc 75f3 firmware (< milanpi 1.0.0.4) • amd epyc 7643 firmware (< milanpi 1.0.0.4) • amd epyc 7663 firmware (< milanpi 1.0.0.4) • amd epyc 7713 firmware (< milanpi 1.0.0.4) • amd epyc 7713p firmware (< milanpi 1.0.0.4) • amd epyc 7743 firmware (< milanpi 1.0.0.4) • amd epyc 7763 firmware (< milanpi 1.0.0.4) • amd epyc 7773x firmware (< milanpi 1.0.0.4)