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CVE-2022-32267

22
FAUCET Score

CVE-2022-32267 is a Time-of-Check-Time-of-Use (TOCTOU) vulnerability affecting Insyde kernel versions 5.2 through 5.5, where DMA transactions targeting input buffers of the SmmResourceCheckDxe software SMI handler can lead to SMRAM corruption. With a CVSS score of 6.4 (Medium), this vulnerability requires high privileges and local access (AV:L/PR:H) to exploit, but could result in high impact to confidentiality, integrity, and availability (C:H/I:H/A:H). There is currently no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage, indicating a low immediate threat.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.2, < 5.2.05.27.23CPE matchmatch criteria
cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*
>= 5.3, < 5.3.05.36.23CPE matchmatch criteria
cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*
>= 5.4, < 5.4.05.44.23CPE matchmatch criteria
cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.5.05.52.23CPE matchmatch criteria
cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.4MEDIUM

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.5
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.13%
Probability of exploitation in next 30 days
EPSS Percentile
3.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0013 is in the 38th percentile among its peer group of 418 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

insyde.com / security-pledge
Vendor Advisory
insyde.com / security-pledge/SA-2022046
Vendor Advisory