Analyst readout for executives and security teams
Plain-English summary
This issue affects Huawei P9 Plus phones on software earlier than VIE-AL10BC00B353. A malicious app installed by the user could abuse a sound driver flaw to crash the phone or potentially run code. The available sources do not provide a CVSS score or confirmed exploitation.
Executive priority
Treat this as a legacy mobile exposure cleanup item. It is potentially serious on affected devices, but urgency depends on whether Huawei P9 Plus phones remain in use and whether users can install untrusted apps.
Technical view
CVE-2017-8140 is a memory double-free vulnerability in the Huawei P9 Plus soundtrigger driver. The described attack path requires a malicious application to run multiple threads and trigger freeing of specific memory, causing system crash or possible arbitrary code execution.
Likely exposure
Exposure appears limited to Huawei P9 Plus smart phones running versions earlier than VIE-AL10BC00B353. Organizations are mainly exposed where legacy Huawei P9 Plus devices remain enrolled, unmanaged, or allowed to install untrusted applications.
Exploitation context
The source bundle states exploitation requires tricking a user into installing a malicious application. It does not cite active exploitation, public exploit availability, KEV listing, CVSS scoring, or detailed attack prevalence.
Researcher notes
The record lacks CVSS, CWE mapping, and confirmed patch details beyond the affected-version boundary. Analysis should stay tied to Huawei P9 Plus before VIE-AL10BC00B353 and the malicious-app prerequisite.
Mitigation direction
- Inventory Huawei P9 Plus devices and record software versions.
- Move affected devices off versions earlier than VIE-AL10BC00B353.
- Check Huawei PSIRT guidance for supported update availability.
- Restrict sideloading and installation of untrusted applications.
- Retire affected devices if no vendor-supported update is available.
Validation and detection
- Confirm device software version is VIE-AL10BC00B353 or later.
- Review MDM inventory for Huawei P9 Plus model presence.
- Check app installation policy blocks untrusted sources.
- Investigate unexplained system crashes on affected legacy devices.
Public sources used
Based on public source material and reviewed before publication.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-8140 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170605-01-smartphone-enCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.