CVE-2023-39382
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedInput verification vulnerability in the audio module. Successful exploitation of this vulnerability may cause virtual machines (VMs) to restart.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · low confidenceAn input validation vulnerability exists in the audio emulation component of a virtualization platform (likely QEMU-based). The flaw allows specially crafted audio data to trigger a denial-of-service condition, causing the affected virtual machine to restart unexpectedly.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 11.0.1= 12.0.0= 12.0.1= 13.0.0= 2.0.0= 2.0.1= 2.1.0= 3.0.0= 3.1.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the installed Huawei operating systemCheck system settings or run 'getprop ro.build.version.emui' for Emui or 'getprop ro.build.version.harmonyos' for Harmonyos to determine the exact OS versionAffected if The version matches any of: Emui 11.0.1, 12.0.0, 12.0.1, 13.0.0 or Harmonyos 2.0.0, 2.1.0, 3.0.0, 3.1.0
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Verify audio emulation is enabledCheck if the system has audio virtualization or sound emulation features active. On Harmonyos/Emui, this may be exposed via audio HAL configuration files in /vendor/etc or /system/etc, or through audio service diagnosticsAffected if Audio emulation or virtual audio device drivers are loaded and active on the system
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Check for the vulnerable audio componentInspect running audio-related processes and services (such as audio_server, audio_hal, or qemu-audio) for signs of the emulation component. Use 'ps -A | grep -i audio' or check /proc/asound for active audio devicesAffected if The QEMU-based audio emulation component or similar virtualization audio module is present and running
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Confirm virtualization layer presenceExamine if the device is running any virtualization software that includes audio emulation. Check for hypervisor-related processes or kernel modules (check /proc/modules or lsmod for virtualization drivers)Affected if A virtualization platform with audio emulation support is installed or running on the device
A user is affected if their device runs Emui 11.0.1, 12.0.0, 12.0.1, or 13.0.0, or Harmonyos 2.0.0, 2.1.0, 3.0.0, or 3.1.0, AND the audio emulation component of a virtualization platform is enabled and processing audio data.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply the relevant security patch for the virtualization platform's audio module. Until patched, consider disabling the emulated audio device in VM configurations if not required for workloads.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-39382 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2023-39382 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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