CVE-2022-29276

highpriority · track · 33EPSS 0.002 · 10 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.20% (10th) EPSS

CVSS 8.2 · high

Is it mine?

10 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

SMI functions in AhciBusDxe use untrusted inputs leading to corruption of SMRAM. SMI functions in AhciBusDxe use untrusted inputs leading to corruption of SMRAM. This issue was discovered by Insyde during security review. It was fixed in: Kernel 5.0: version 05.09.18 Kernel 5.1: version 05.17.18 Kernel 5.2: version 05.27.18 Kernel 5.3: version 05.36.18 Kernel 5.4: version 05.44.18 Kernel 5.5: version 05.52.18 https://www.insyde.com/security-pledge/SA-2022059

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.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimary

affected products (10)

Products and version ranges known to be affected.

Dell BIOSall versionscert_bundDEcpe:/h:dell:bios:-
Dell Computerall versionscert_bundDEcpe:/o:dell:dell_computer:-
Insyde UEFI Firmwareall versionscert_bundDEcpe:/h:insyde:uefi:-
n/a n/a≤ n/aenisa_euvdEU
insyde kernel5.0 → 5.0.05.09.18nvdUScpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*
insyde kernel5.1 → 5.1.05.17.18nvdUScpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*
insyde kernel5.2 → 5.2.05.27.18nvdUScpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*
insyde kernel5.3 → 5.3.05.36.18nvdUScpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*
insyde kernel5.4 → 5.4.05.44.18nvdUScpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*
insyde kernel5.5 → 5.5.05.52.18nvdUScpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0991Dell Computer: Mehrere SchwachstellenDeutsch2023-04-17csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Dell Computer und Insyde UEFI Firmware ausnutzen, um Informationen offenzulegen und weitere nicht spezifizierte Auswirkungen zu verursachen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

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

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+16124 more

references (8)

External citations — patches, advisories, analysis.

scry

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