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TI-2024-35381 Aliases CVE-2024-52877GHSA-gj42-cfph-mjj4

An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel…

Priority LOW 33CWE-126Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-126 and the CVSS impact.

Summary

An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 before version 05.70.50. In VariableRuntimeDxe driver, callback function SmmCreateVariableLockList () calls CreateVariableLockListInSmm (). In CreateVariableLockListInSmm (), it uses StrSize () to get variable name size and it could lead to a buffer over-read.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00476 41st 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
Partial

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:a:insyde:insydeh2o:*:*:*:*:*:*:*:*5.2 to before 5.2.05.29.50; 5.3 to before 5.3.05.38.50; 5.4 to before 5.4.05.46.50; 5.5 to before 5.5.05.54.50; 5.6 to before 5.6.05.61.50; 5.7 to before 5.7.05.70.50VulnerableInsyde Software
  • cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* Versions 5.2 to before 5.2.05.29.50; 5.3 to before 5.3.05.38.50; 5.4 to before 5.4.05.46.50; 5.5 to before 5.5.05.54.50; 5.6 to before 5.6.05.61.50; 5.7 to before 5.7.05.70.50 Vulnerable ·Insyde Software

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-52877
  2. 2026-10-03 Alias added: GHSA-gj42-cfph-mjj4

References

Advisory 2

  • TI-2023-08797 An issue was discovered in ChipsetSvcSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. CVSS 3.1HIGH 8.8
  • TI-2022-16772 An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. CVSS 3.1HIGH 8.2
  • TI-2022-16681 An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. CVSS 3.1HIGH 8.2
  • TI-2022-16323 An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. CVSS 3.1HIGH 8.2
  • TI-2022-15984 An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. CVSS 3.1HIGH 8.2
  • TI-2023-08799 An issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5. CVSS 3.1HIGH 7.8
See all 65 →

Sources

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