CVE-2024-52880: kernel Input Validation Flaw — Fix

Description

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, SecureBootHandler uses DataSize and VariableNameSize when determining if the data or name are in the buffer, but these are supplied by the caller and therefore cannot be trusted.

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CVSS v3.1 Score

7.9

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

Weakness Type (CWE)

CWE-20 Improper Input Validation

Affected Products

Vendor	Product	Versions
insyde	kernel	5.2 — 5.29.50
insyde	kernel	5.3 — 5.38.50
insyde	kernel	5.4 — 5.46.50
insyde	kernel	5.5 — 5.54.50
insyde	kernel	5.6 — 5.61.50
insyde	kernel	5.7 — 5.70.50

References

Advisories & Patches

https://www.insyde.com/security-pledge https://www.insyde.com/security-pledge/sa-2024016/

Frequently Asked Questions

What is CVE-2024-52880? +

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, SecureBootHandler uses DataSize and VariableNameSize when determining if the data or name are in the buffer, but these are supplied by the caller and therefore cannot be trusted. It has a CVSS v3.1 base score of 7.9 (HIGH).

How severe is CVE-2024-52880? +

CVE-2024-52880 has a CVSS v3.1 score of 7.9 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-52880? +

CVE-2024-52880 affects products from insyde, specifically: kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-52880? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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