CVE-2025-4275
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
SecureFlashDxe: Incorrect UEFI variable attributes check allows usage of invalid certificate
A vulnerability in the digital signature verification process does not properly validate variable attributes which allows an attacker to bypass signature verification by creating a non-authenticated NVRAM variable. An attacker may to execute arbitrary signed UEFI code and bypass Secure Boot.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
InsydeH2O
- Vendor
- Insyde Software
- Product
- InsydeH2O
- Platforms
- kernel 5.2
- kernel 5.3
- kernel 5.4
- kernel 5.5
- kernel 5.6
- kernel 5.7
- Default status
unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| Kernel 5.2 | affected | Tag | 05.2A.16 | Unavailable | None listed |
| Kernel 5.3 | affected | Tag | 05.39.16 | Unavailable | None listed |
| Kernel 5.4 | affected | Tag | 05.47.16 | Unavailable | None listed |
| Kernel 5.5 | affected | Tag | 05.55.16 | Unavailable | None listed |
| Kernel 5.6 | affected | Tag | 05.62.16 | Unavailable | None listed |
| Kernel 5.7 | affected | Tag | 05.71.16 | Unavailable | None listed |