CVE-2026-82017
IGEL OS 12 / 11 Boot Registry Parameter Injection via Unsigned Configuration Area
- State
- Published
- Severity
- 8.6 High
- Published
- Aug 28, 2026
- Updated
- Oct 1, 2026
- Reserved
- Aug 27, 2026
Description
IGEL OS 12 before 12.7.6 and IGEL OS 11 before 11.11.150 contain a boot registry parameter injection vulnerability that allows attackers with physical access to execute arbitrary Linux loader parameters by writing to an unencrypted and unsigned configuration area read by the signed bootloader. Attackers can inject malicious kernel command line parameters that execute with boot environment privileges without triggering TPM PCR measurement failures, as the attack does not modify the measured boot code.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H | VulnCheck |
| 3.1 | 7.6 High | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-345 Insufficient Verification of Data Authenticity
Affected Products
| Product | Versions |
|---|---|
IGEL OS 12IGEL |
|
IGEL OS 11IGEL |
|
References
- Vendor Advisoryvendor-advisorypatch
- AmberWolf Blogtechnical-description
- DEF CON 34 Presentation
- Exploitexploit
- https://www.vulncheck.com/advisories/igel-os-12-11-boot-registry-parameter-injection-via-unsigned-configuration-areathird-party-advisory
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