CVE-2022-29279: Insyde Kernel

High severity, CVSS 8.2. EPSS: 0.2% chance of exploitation in the next 30 days.

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 (fixed in 5.0.05.09.17); from 5.1, before 5.1.05.17.17 (fixed in 5.1.05.17.17); from 5.2, before 5.2.05.27.17 (fixed in 5.2.05.27.17); from 5.3, before 5.3.05.36.17 (fixed in 5.3.05.36.17); from 5.4, before 5.4.05.44.17 (fixed in 5.4.05.44.17); from 5.5, before 5.5.05.52.17 (fixed in 5.5.05.52.17)

Published 2022-11-15. Last modified 2026-06-17.