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Fencer Vulns
medium 6.4

CVE-2022-30774 json

DMA attacks on the parameter buffer used by the PnpSmm driver could change the contents after parameter values have been checked but before…

published 2022-11-14 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-52598

cvss
6.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 4%
public exploits
0
none known

Summary

DMA attacks on the parameter buffer used by the PnpSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack) DMA attacks on the parameter buffer used by the PnpSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack) . This issue was discovered by Insyde engineering during a security review. This iss was fixed in Kernel 5.2: 05.27.29, Kernel 5.3: 05.36.25, Kernel 5.4: 05.44.25, Kernel 5.5: 05.52.25. CWE-367 https://www.insyde.com/security-pledge/SA-2022043

Patch / fix

  • insyde kernel 5.2.05.27.29, 5.3.05.36.25, 5.4.05.44.25, 5.5.05.52.25

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-047-08 updated cvss 6.4

Siemens RUGGEDCOM APE1808

  • Siemens RUGGEDCOM APE1808 ADM (6GK6015-0AL20-0GL0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 ADM CC (6GK6015-0AL20-0GL1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 CKP (6GK6015-0AL20-0GK0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 CKP CC (6GK6015-0AL20-0GK1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 CLOUDCONNECT (6GK6015-0AL20-0GM0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 CLOUDCONNECT CC (6GK6015-0AL20-0GM1) <BIOS_V1.0.212N
    +16 more products
    Siemens RUGGEDCOM APE1808 ELAN (6GK6015-0AL20-0GP0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 ELAN CC (6GK6015-0AL20-0GP1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 SAM-L (6GK6015-0AL20-0GN0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 SAM-L CC (6GK6015-0AL20-0GN1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-P (6GK6015-0AL20-1AA0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-P CC (6GK6015-0AL20-1AA1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-S1 (6GK6015-0AL20-1AB0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-S1 CC (6GK6015-0AL20-1AB1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-S3 (6GK6015-0AL20-1AD0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-S3 CC (6GK6015-0AL20-1AD1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-S5 (6GK6015-0AL20-1AF0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-S5 CC (6GK6015-0AL20-1AF1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808LNX (6GK6015-0AL20-0GH0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808LNX CC (6GK6015-0AL20-0GH1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808W10 (6GK6015-0AL20-0GJ0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808W10 CC (6GK6015-0AL20-0GJ1) <BIOS_V1.0.212N
    affected: fixed in V1.0.212N support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.