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Medium severity6.4NVD Advisory· Published Nov 15, 2022· Updated Jun 17, 2026

CVE-2022-30774

CVE-2022-30774

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4
  • Insyde/Kernel2 versions
    cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*range: >=5.2,<5.2.05.27.29
    • (no CPE)range: 5.2: 05.27.29, 5.3: 05.36.25, 5.4: 05.44.25, 5.5: 05.52.25
  • Insyde/PnpSmm driverdescription
  • Insyde/PnpSmm driverllm-create

Patches

Vulnerability mechanics

References

3

News mentions

0

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