CVE-2022-29278

Severity: high (CVSS 8.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-15 · updated 2026-06-17
Weakness: CWE-754

Description

Incorrect pointer checks within the NvmExpressDxe driver can allow tampering with SMRAM and OS memory Incorrect pointer checks within the NvmExpressDxe driver can allow tampering with SMRAM and OS memory. This issue was discovered by Insyde during security review. Fixed in: Kernel 5.1: Version 05.17.23 Kernel 5.2: Version 05.27.23 Kernel 5.3: Version 05.36.23 Kernel 5.4: Version 05.44.23 Kernel 5.5: Version 05.52.23 https://www.insyde.com/security-pledge/SA-2022061

Affected products

Insyde Kernel: from 5.1 before 5.1.05.17.23; from 5.2 before 5.2.05.27.23; from 5.3 before 5.3.05.36.23; from 5.4 before 5.4.05.44.23; from 5.5 before 5.5.05.52.23 — fixed in 5.1.05.17.23, 5.2.05.27.23, 5.3.05.36.23, 5.4.05.44.23, 5.5.05.52.23

How to fix

Upgrade to a fixed version: Insyde Kernel 5.1.05.17.23, 5.2.05.27.23, 5.3.05.36.23, 5.4.05.44.23. Check the vendor advisory for mitigations.

References

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