CVE-2022-33982

mediumpriority · track · 26EPSS 0.002 · 5 %ileDEEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.16% (5th) EPSS
CVSS 6.4 · medium
Is it mine?
73 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · cert_bund · cisa_csaf_ot

EPSS · scored 2026-10-27

DMA attacks on the parameter buffer used by the Int15ServiceSmm software SMI handler could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. DMA attacks on the parameter buffer used by the software SMI handler used by the driver Int15ServiceSmm could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. This issue was discovered by Insyde engineering during a security review. This issue is fixed in Kernel 5.2: 05.27.23, Kernel 5.3: 05.36.23, Kernel 5.4: 05.44.23 and Kernel 5.5: 05.52.23 CWE-367

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

02

cvss

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

6.4
010

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

v3.16.4mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 0.5 · impact 5.9
v3.16.4mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · CISA US
v3.16.4mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.16.4mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 0.5 · impact 5.9
v3.16.4mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE
v3.15.9mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
03

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-367USprimaryCWE-367USCWE-367US
05

affected products (73)

Products and version ranges known to be affected.

showing 20 of 73
06

advisories (3)

Vendor and ecosystem advisories describing this.

  • SSA-450613SSA-450613: Insyde BIOS Vulnerabilities in RUGGEDCOM APE1808 Product Family2023-02-14csaf · siemens_psirtDE

    Insyde has published information on vulnerabilities in Insyde BIOS on November 8th 2022. These vulnerabilities also affect the RUGGEDCOM APE1808 product family. Siemens has released updates for the affected products and recommends to update to the latest versions.

  • WID-SEC-W-2023-0706Insyde UEFI Firmware: Mehrere SchwachstellenDeutsch2023-03-21csaf · cert_bundDE

    Ein lokaler Angreifer kann mehrere Schwachstellen in der Insyde UEFI Firmware ausnutzen, um beliebigen Code auszuführen, Informationen offenzulegen oder einen Denial of Service zu verursachen.

  • ICSA-23-047-08Siemens RUGGEDCOM APE18082023-02-14icsa · cisa_csaf_otUS

    Insyde has published information on vulnerabilities in Insyde BIOS on November 8th 2022. These vulnerabilities also affect the RUGGEDCOM APE1808 product family. Siemens has released updates for the affected products and recommends to update to the latest versions.

07

also known as (3)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcert_bundcisa_csaf_otsiemens_psirtNVDCVE.orgMITRE
published 2022-11-14modified 2026-06-17
10

references (13)

External citations — patches, advisories, analysis.

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