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TI-2022-11811 Aliases CVE-2022-29276GHSA-h4mx-3f49-295w

SMI functions in AhciBusDxe use untrusted inputs leading to corruption of SMRAM.

Priority LOW 37CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

SMI functions in AhciBusDxe use untrusted inputs leading to corruption of SMRAM. SMI functions in AhciBusDxe use untrusted inputs leading to corruption of SMRAM. This issue was discovered by Insyde during security review. It was fixed in: Kernel 5.0: version 05.09.18 Kernel 5.1: version 05.17.18 Kernel 5.2: version 05.27.18 Kernel 5.3: version 05.36.18 Kernel 5.4: version 05.44.18 Kernel 5.5: version 05.52.18 https://www.insyde.com/security-pledge/SA-2022059

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.002 9th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*5.0 to before 5.0.05.09.18; 5.1 to before 5.1.05.17.18; 5.2 to before 5.2.05.27.18; 5.3 to before 5.3.05.36.18; 5.4 to before 5.4.05.44.18; 5.5 to before 5.5.05.52.18VulnerableInsyde Software
  • cpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:* Versions 5.0 to before 5.0.05.09.18; 5.1 to before 5.1.05.17.18; 5.2 to before 5.2.05.27.18; 5.3 to before 5.3.05.36.18; 5.4 to before 5.4.05.44.18; 5.5 to before 5.5.05.52.18 Vulnerable ·Insyde Software

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-29276
  2. 2026-10-03 Alias added: GHSA-h4mx-3f49-295w

References

Advisory 2

  • TI-2021-16172 Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize. CVSS 3.1CRITICAL 9.8
  • TI-2021-16170 NetworkPkg/IScsiDxe has remotely exploitable buffer overflows. CVSS 3.1HIGH 8.1
  • TI-2024-32800 An issue was discovered in AcpiS3SaveDxe and ChipsetSvcDxe in Insyde InsydeH2O with… CVSS 3.1MEDIUM 6.4
  • TI-2022-16680 An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. CVSS 3.1HIGH 8.2
  • TI-2022-11814 Use of a untrusted pointer allows tampering with SMRAM and OS memory in SdHostDriver and… CVSS 3.1HIGH 8.2
  • TI-2022-11813 Incorrect pointer checks within the NvmExpressDxe driver can allow tampering with SMRAM… CVSS 3.1HIGH 8.2
See all 32 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences