CVE-2022-33908 is a Time-of-Check to Time-of-Use (TOCTOU) vulnerability affecting Insyde kernel versions 5.2 through 5.5, where DMA transactions targeting input buffers of the SdHostDriver software SMI handler can lead to SMRAM corruption. This is a high-severity vulnerability (CVSS 7.0) with a local attack vector and high impact on confidentiality, integrity, and availability, but requires high attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.2, < 5.2.05.27.25CPE matchmatch criteria | cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | ||
>= 5.3, < 5.3.05.36.25CPE matchmatch criteria | cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | ||
>= 5.4, < 5.4.05.44.25CPE matchmatch criteria | cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | ||
>= 5.5, < 5.5.05.52.25CPE matchmatch criteria | cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* |
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.