Cyber Resilience

CVE-2022-29279

High

Published: 15 November 2022

Published
15 November 2022
Modified
30 April 2025
KEV Added
Patch
CVSS Score v3.1 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0005 16.1th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-29279 is a high-severity Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) vulnerability in Insyde Kernel. Its CVSS base score is 8.2 (High).

Operationally, ranked at the 16.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

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(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

insyde
kernel
5.0 — 5.0.05.09.17 · 5.1 — 5.1.05.17.17 · 5.2 — 5.2.05.27.17

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-119

Ongoing control assessments and code testing (static/dynamic analysis, fuzzing) surface memory buffer restriction failures, which are then remediated before release.

addresses: CWE-119

Managed runtimes used by platform-independent applications (e.g., JVM, CLR) enforce memory safety, preventing most buffer overflows that require direct memory manipulation.

addresses: CWE-119

Memory protections (e.g., W^X, ASLR) make exploitation of buffer-boundary violations far harder to turn into code execution.

addresses: CWE-119

Detects exploitation attempts that produce memory corruption, crashes, or anomalous behavior.

References