CVE-2021-26398 is a high-severity vulnerability affecting AMD products, stemming from insufficient input validation in the SYS_KEY_DERIVE system call. An attacker with local access could exploit this flaw to corrupt AMD Secure Processor (ASP) OS memory, potentially leading to arbitrary code execution. With a CVSS score of 7.8, this vulnerability has low attack complexity and requires low privileges, posing a significant risk of high impact to confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, nor are there publicly available exploit tools like Metasploit or Nuclei modules, and it has garnered minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< romepi_1.0.0.cCPE matchmatch criteria | cpe:2.3:o:amd:epyc_7h12_firmware:*:*:*:*:*:*:*:* | ||
< romepi_1.0.0.cCPE matchmatch criteria | cpe:2.3:o:amd:epyc_7f72_firmware:*:*:*:*:*:*:*:* | ||
< romepi_1.0.0.cCPE matchmatch criteria | cpe:2.3:o:amd:epyc_7f52_firmware:*:*:*:*:*:*:*:* | ||
< romepi_1.0.0.cCPE matchmatch criteria | cpe:2.3:o:amd:epyc_7f32_firmware:*:*:*:*:*:*:*:* | ||
< romepi_1.0.0.cCPE matchmatch criteria | cpe:2.3:o:amd:epyc_7742_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.