CVE-2022-30771

highpriority · track · 33EPSS 0.002 · 10 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.20% (10th) EPSS

CVSS 8.2 · high

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions. This issue was discovered by Insyde engineering during a security review. Fixed in: Kernel 5.1: Version 05.17.25 Kernel 5.2: Version 05.27.25 Kernel 5.3: Version 05.36.25 Kernel 5.4: Version 05.44.25 Kernel 5.5: Version 05.52.25 https://www.insyde.com/security-pledge/SA-2022064

cvss

Technical severity, 0–10. One row per scoring source.

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.2highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.5 · impact 6

v3.18.2highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.2highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondaryexploitability 1.5 · impact 6

v3.17.5highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimary

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
insyde kernel5.1 → 5.1.05.17.25nvdUScpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*
insyde kernel5.2 → 5.2.05.27.25nvdUScpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*
insyde kernel5.3 → 5.3.05.36.25nvdUScpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*
insyde kernel5.4 → 5.4.05.44.25nvdUScpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*
insyde kernel5.5 → 5.5.05.52.25nvdUScpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2022-11-15modified 2026-06-17

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+16138 more

references (8)

External citations — patches, advisories, analysis.

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