Use after free in Huawei Mate 9, Mate 9 Pro
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
The Trusted Execution Environment (TEE) module driver of Mate 9 and Mate 9 Pro smart phones with software versions earlier than MHA-AL00BC00B221 and versions earlier than LON-AL00BC00B221 has a use after free (UAF) vulnerability. An attacker tricks a user into installing a malicious application, and the application can start multiple threads and try to create and free specific memory, which could triggers access memory after free it and causes a system crash or arbitrary code execution.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Huawei | Mate 9, Mate 9 Pro | Versions earlier than MHA-AL00BC00B221, Versions earlier than LON-AL00BC00B221 | — | No fix listed | CNA |
- Mate 9, Mate 9 Pro VendorHuawei Affected Versions earlier than MHA-AL00BC00B221, Versions earlier than LON-AL00BC00B221 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:mate_9_firmware:*:*:*:*:*:*:*:* | before mha-al00bc00b221 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:mate_9:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:mate_9_pro_firmware:*:*:*:*:*:*:*:* | before lon-al00bc00b221 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:mate_9_pro:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
- cpe:2.3:o:huawei:mate_9_firmware:*:*:*:*:*:*:*:* Versions before mha-al00bc00b221 Vulnerable ·Huawei
- cpe:2.3:h:huawei:mate_9:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:mate_9_pro_firmware:*:*:*:*:*:*:*:* Versions before lon-al00bc00b221 Vulnerable ·Huawei
- cpe:2.3:h:huawei:mate_9_pro:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-8142
- 2026-10-03 Alias added: GHSA-8h88-hf49-3hhp
References
More Huawei Mate 9 Firmware vulnerabilities
- TI-2017-11224 Memory corruption in Huawei Mate 10 CVSS 3.0HIGH 8.8
- TI-2017-11229 Double free in Huawei Mate 9 CVSS 3.0HIGH 7.8
- TI-2017-01958 Memory corruption in Huawei Mate 9 CVSS 3.0HIGH 7.8
- TI-2017-01948 Path traversal in Huawei Mate 9 CVSS 3.0HIGH 7.1
- TI-2017-01949 Mate 9 smartphones with software MHA-AL00AC00B125 have a privilege escalation… CVSS 3.0HIGH 7.1
- TI-2017-01945 Phone Finder in versions earlier before MHA-AL00BC00B156,Versions earlier before… CVSS 3.0MEDIUM 6.8
Sources
- CVE-2017-8142 · CVE Program
- CVE-2017-8142 · NVD
- FIRST EPSS
- GHSA-8h88-hf49-3hhp · GitHub Advisory Database · CC BY 4.0
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