CVE-2022-29279: insyde kernel

Vulnerability summary

CVE-2022-29279 is a high (CVSS 8.2) vulnerability in insyde kernel. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9% of scored vulnerabilities.

Timeline

1. 15-11-2022
   PublishedVulnerability first disclosed.
2. 30-04-2025
   Last modifiedVulnerability information updated.

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

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.