CVE-2022-29279

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-119

Description

Use of a untrusted pointer allows tampering with SMRAM and OS memory in SdHostDriver and SdMmcDevice Use of a untrusted pointer allows tampering with SMRAM and OS memory in SdHostDriver and SdMmcDevice. This issue was discovered by Insyde during security review. It was fixed in: Kernel 5.0: version 05.09.17 Kernel 5.1: version 05.17.17 Kernel 5.2: version 05.27.17 Kernel 5.3: version 05.36.17 Kernel 5.4: version 05.44.17 Kernel 5.5: version 05.52.17 https://www.insyde.com/security-pledge/SA-2022062

Affected products

Insyde Kernel: from 5.0 before 5.0.05.09.17; from 5.1 before 5.1.05.17.17; from 5.2 before 5.2.05.27.17; from 5.3 before 5.3.05.36.17; from 5.4 before 5.4.05.44.17; from 5.5 before 5.5.05.52.17 — fixed in 5.0.05.09.17, 5.1.05.17.17, 5.2.05.27.17, 5.3.05.36.17, 5.4.05.44.17, 5.5.05.52.17

How to fix

Upgrade to a fixed version: Insyde Kernel 5.0.05.09.17, 5.1.05.17.17, 5.2.05.27.17, 5.3.05.36.17. Check the vendor advisory for mitigations.

References

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