CVE-2022-32469 is a time-of-check-to-time-of-use (TOCTOU) race-condition vulnerability affecting Insyde InsydeH2O firmware kernels 5.0 through 5.5. This flaw allows for DMA attacks on the PnpSmm shared buffer, potentially leading to SMRAM corruption and privilege escalation. With a CVSS score of 7.0 (High), successful exploitation requires local access and high attack complexity, but can result in complete compromise of confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.0, < 5.2.05.27.27CPE matchmatch criteria | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | ||
>= 5.3, < 5.3.05.36.27CPE matchmatch criteria | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | ||
>= 5.4, < 5.4.05.44.27CPE matchmatch criteria | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | ||
>= 5.5, < 5.5.05.52.27CPE matchmatch criteria | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/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, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.