TPM2 Out-Of-Bounds Write Leading to Potential Operating System Verification Bypass in ChromeOS
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Out-Of-Bounds Write in TPM2 Reference Library in Google ChromeOS 122.0.6261.132 stable on Cr50 Boards allows an attacker with root access to gain persistence and bypass operating system verification via exploiting the NV_Read functionality during the Challenge-Response process.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ChromeOS | 122.0.6261.132 | — | No fix listed | CNA |
- ChromeOS VendorGoogle Affected 122.0.6261.132 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-1292
- 2026-10-03 Alias added: GHSA-44p4-ww39-jj4m
References
More Google Chrome vulnerabilities
- TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
- TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04898 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04600 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04346 Use after free in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
Sources
- CVE-2025-1292 · CVE Program
- CVE-2025-1292 · NVD
- FIRST EPSS
- GHSA-44p4-ww39-jj4m · GitHub Advisory Database · CC BY 4.0
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