CVEvulnerability

CVE-2021-26336

5.5 MEDIUM Published 2021-11-16 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-11-16
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-119

Description

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.

Affected configurations

• amd epyc 7003 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7002 firmware (< romepi-sp3 1.0.0.c) • amd epyc 72f3 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7313 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7313p firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7343 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 73f3 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7413 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7443 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7443p firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7453 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 74f3 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7513 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7543 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7543p firmware (< milanpi-sp3 1.0.0.4) • amd epyc 75f3 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7643 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7663 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7713 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7713p firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7763 firmware (< milanpi-sp3 1.0.0.4) • amd epyc 7232p firmware (< romepi-sp3 1.0.0.c) • amd epyc 7252 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7262 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7272 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7282 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7302 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7302p firmware (< romepi-sp3 1.0.0.c) • amd epyc 7352 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7402 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7402p firmware (< romepi-sp3 1.0.0.c) • amd epyc 7452 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7502 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7502p firmware (< romepi-sp3 1.0.0.c) • amd epyc 7532 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7542 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7552 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7642 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7662 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7702 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7702p firmware (< romepi-sp3 1.0.0.c) • amd epyc 7742 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7f32 firmware (< romepi-sp3 1.0.0.c) • amd epyc 7f52 firmware (< romepi-sp3 1.0.0.c) • amd ryzen 3 3100 firmware • amd ryzen 3 3300g firmware • amd ryzen 5 3400g firmware • amd ryzen 3 5125c firmware • amd ryzen 3 5400u firmware • amd ryzen 3 5425c firmware • amd ryzen 7 5800h firmware • amd ryzen 7 5800hs firmware • amd ryzen 7 5800u firmware • amd ryzen 7 5825c firmware • amd ryzen 7 5825u firmware • amd ryzen 9 5900hs firmware • amd ryzen 9 5900hx firmware • amd ryzen 9 5980hs firmware • amd ryzen 9 5980hx firmware • amd ryzen 3 5425u firmware … and 35 more

Related

Weakness · CWE (1)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness

References