CVE-2023-52548
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 · uneditedHuawei Matebook D16(Model: CREM-WXX9, BIOS: v2.26) Arbitrary Memory Corruption in SMI Handler of ThisiServicesSmm SMM module. This can be leveraged by a malicious OS attacker to corrupt arbitrary SMRAM memory and, in turn, lead to code execution in SMM
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 · high confidenceArbitrary memory corruption vulnerability in the SMI (System Management Interrupt) handler of the ThisiServicesSmm SMM (System Management Mode) module in Huawei Matebook D16 BIOS v2.26. A malicious OS-level attacker can exploit this to corrupt arbitrary SMRAM memory and achieve code execution in SMM, bypassing OS isolation boundaries.
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= ota-curiem-b-bios-2.28CVSS 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
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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 installed BIOS/firmware versionOn Windows, run 'wmic bios get smbiosbiosversion' or check System Information > BIOS Version. On Linux, run 'dmidecode -s bios-version' or check /sys/class/dmi/id/bios_version.Affected if The version matches Huawei Matebook D16 BIOS v2.26 or Huawei Curiem Wfg9b Firmware ota-curiem-b-bios-2.28
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Confirm system modelRun 'wmic computersystem get model' on Windows or 'dmidecode -s system-product-name' on Linux to identify if the device is Huawei Matebook D16 or Curiem Wfg9b.Affected if The system is a Huawei Matebook D16 or Curiem Wfg9b model with the affected BIOS version.
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Verify SMM (System Management Mode) is enabledAccess BIOS/UEFI settings during boot (typically press F2/Del) and check for SMM, Intel VT-d, or AMD-V settings. On Linux, also check 'cat /proc/cmdline' for any SMM-related kernel parameters and review 'dmesg' for SMI-related messages.Affected if SMM is enabled in BIOS settings - this vulnerability requires SMM to be active for exploitation.
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Inspect SMM configuration and ThisiServicesSmm moduleOn Linux, run 'dmidecode -t bios' to view SMM details. Check firmware dump or use 'intel-smx' tools if available to inspect loaded SMM modules. Review any available SMM memory maps for ThisiServicesSmm presence.Affected if The ThisiServicesSmm SMM module is present in the firmware - this is the specific module containing the vulnerability.
A user is affected if their Huawei Matebook D16 or Curiem Wfg9b system runs BIOS/firmware version 2.26 or 2.28 respectively, with SMM enabled and the ThisiServicesSmm module present.
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 vendor-supplied BIOS/firmware update from Huawei for the CREM-WXX9 model. If unavailable, consider disabling SMM via firmware settings or implement OS-level integrity monitoring to detect compromise attempts.
- Consultation2.0 h
- Implementation1.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-52548 — 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-2023-52548 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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