In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.
Why this VPI (explainable, experimental)
VPI breakdown
| Impact | 46.00 |
| Exploitation signal(KEV listed) | ×1.50 |
| VPI | 69.00 |
VPI formula vpi-v1
Required Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
This CVE is referenced in a KISA security bulletin (Korean only).
In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.