7.9

CVE-2024-52880: insyde kernel Improper Input Validation

CVSS: 7.9v3.1HighAnalyzed
Published 15-05-2025Last modified 16-05-2025
Open JSON

Vulnerability summary

CVE-2024-52880 is a high (CVSS 7.9) Improper Input Validation vulnerability in insyde kernel. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 7.8% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.9/10
010
High · v3.1 (CVE.org)
EPSS score
0.19%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-05-2025
    PublishedVulnerability first disclosed.
  2. 16-05-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

+0.01 pp

From 0.18% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Insyde1 product
  • kernel≥ 5.2, < 5.29.50 | ≥ 5.3, < 5.38.50 | ≥ 5.4, < 5.46.50 | ≥ 5.5, < 5.54.50 | ≥ 5.6, < 5.61.50 | ≥ 5.7, < 5.70.50

1 vendor · 1 product

References

2 links