CVEvulnerability

CVE-2021-26356

7.4 HIGH Published 2023-05-09 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-05-09
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.4 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.4 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses
CWE-367

Description

A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to memory potentially resulting in S3 data corruption and information disclosure.

Affected configurations

• amd epyc 7001 firmware (< naplespi 1.0.0.h) • amd epyc 7251 firmware (< naplespi 1.0.0.h) • amd epyc 7261 firmware (< naplespi 1.0.0.h) • amd epyc 7281 firmware (< naplespi 1.0.0.h) • amd epyc 7301 firmware (< naplespi 1.0.0.h) • amd epyc 7351 firmware (< naplespi 1.0.0.h) • amd epyc 7351p firmware (< naplespi 1.0.0.h) • amd epyc 7371 firmware (< naplespi 1.0.0.h) • amd epyc 7401 firmware (< naplespi 1.0.0.h) • amd epyc 7401p firmware (< naplespi 1.0.0.h) • amd epyc 7451 firmware (< naplespi 1.0.0.h) • amd epyc 7501 firmware (< naplespi 1.0.0.h) • amd epyc 7551 firmware (< naplespi 1.0.0.h) • amd epyc 7551p firmware (< naplespi 1.0.0.h) • amd epyc 7601 firmware (< naplespi 1.0.0.h) • amd epyc 7002 firmware (< romepi 1.0.0.d) • amd epyc 7232p firmware (< romepi 1.0.0.d) • amd epyc 7252 firmware (< romepi 1.0.0.d) • amd epyc 7262 firmware (< romepi 1.0.0.d) • amd epyc 7272 firmware (< romepi 1.0.0.d) • amd epyc 7282 firmware (< romepi 1.0.0.d) • amd epyc 7302 firmware (< romepi 1.0.0.d) • amd epyc 7302p firmware (< romepi 1.0.0.d) • amd epyc 7352 firmware (< romepi 1.0.0.d) • amd epyc 7402 firmware (< romepi 1.0.0.d) • amd epyc 7402p firmware (< romepi 1.0.0.d) • amd epyc 7452 firmware (< romepi 1.0.0.d) • amd epyc 7502 firmware (< romepi 1.0.0.d) • amd epyc 7532 firmware (< romepi 1.0.0.d) • amd epyc 7542 firmware (< romepi 1.0.0.d) • amd epyc 7552 firmware (< romepi 1.0.0.d) • amd epyc 7642 firmware (< romepi 1.0.0.d) • amd epyc 7662 firmware (< romepi 1.0.0.d) • amd epyc 7702 firmware (< romepi 1.0.0.d) • amd epyc 7702p firmware (< romepi 1.0.0.d) • amd epyc 7f32 firmware (< romepi 1.0.0.d) • amd epyc 7f52 firmware (< romepi 1.0.0.d) • amd epyc 7f72 firmware (< romepi 1.0.0.d) • amd epyc 7h12 firmware (< romepi 1.0.0.d) • amd epyc 7742 firmware (< romepi 1.0.0.d) • amd epyc 7773x firmware (< milanpi 1.0.0.6) • amd epyc 7763 firmware (< milanpi 1.0.0.6) • amd epyc 7713p firmware (< milanpi 1.0.0.6) • amd epyc 7713 firmware (< milanpi 1.0.0.6) • amd epyc 7663 firmware (< milanpi 1.0.0.6) • amd epyc 7643 firmware (< milanpi 1.0.0.6) • amd epyc 75f3 firmware (< milanpi 1.0.0.6) • amd epyc 7573x firmware (< milanpi 1.0.0.6) • amd epyc 7543p firmware (< milanpi 1.0.0.6) • amd epyc 7543 firmware (< milanpi 1.0.0.6) • amd epyc 7513 firmware (< milanpi 1.0.0.6) • amd epyc 74f3 firmware (< milanpi 1.0.0.6) • amd epyc 7473x firmware (< milanpi 1.0.0.6) • amd epyc 7443p firmware (< milanpi 1.0.0.6) • amd epyc 7443 firmware (< milanpi 1.0.0.6) • amd epyc 7453 firmware (< milanpi 1.0.0.6) • amd epyc 7413 firmware (< milanpi 1.0.0.6) • amd epyc 7373x firmware (< milanpi 1.0.0.6) • amd epyc 7313 firmware (< milanpi 1.0.0.6) • amd epyc 7313p firmware (< milanpi 1.0.0.6) … and 38 more

Related

Weakness · CWE (1)

  • CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition weakness

References