CVE-2022-48509
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 · uneditedRace condition vulnerability due to multi-thread access to mutually exclusive resources in Huawei Share. Successful exploitation of this vulnerability may cause the program to exit abnormally.
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 · moderate confidenceA race condition vulnerability exists in Huawei Share where multiple threads can simultaneously access shared resources that require mutual exclusion. This improper synchronization can lead to the program terminating abnormally when concurrent access triggers undefined behavior or resource conflicts.
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= 12.0.0= 12.0.1= 2.0.0= 2.0.1CVSS 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
- High
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:H/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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Check Huawei Emui versionGo to Settings > About Phone > Version on the Huawei device and verify if the installed EMUI version is 12.0.0 or 12.0.1Affected if The installed Emui version is exactly 12.0.0 or 12.0.1
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Check Huawei Harmonyos versionGo to Settings > About Phone > Version on the Huawei device and verify if the installed HarmonyOS version is 2.0.0 or 2.0.1Affected if The installed Harmonyos version is exactly 2.0.0 or 2.0.1
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Confirm Huawei Share feature usageCheck if the Huawei Share (also called Huawei Share or OneHop) feature is enabled on the device by going to Settings > Huawei Share or checking recent share activityAffected if Huawei Share feature is actively enabled or frequently used on a device running the affected versions
A user is affected if their device runs Emui 12.0.0, 12.0.1, Harmonyos 2.0.0, or 2.0.1 AND they use the Huawei Share feature, as the race condition exists in the Share component code in these specific versions.
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 dataImplement proper synchronization primitives (e.g., mutexes, locks) around all shared resource access points in the affected code paths to ensure mutually exclusive access. Code review and static analysis tools can help identify other potential race conditions in the same component.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-48509 — 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-2022-48509 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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