CVE-2023-52548 — Huawei Matebook D16(Model: CREM-WXX9, BIOS: v2

Huawei 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

01What is this vulnerability?

Huawei 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

02Affected products

Vendor	Product	Versions
Huawei	CurieM	WFG9B — OTA-CurieM-B-BIOS-2.28

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-05-28T06:16:48.525Z
• Last modified: 2024-08-02T23:03:21.170Z

09References

• www.huawei.com — https://www.huawei.com/cn/psirt/security-advisories/2024/huawei-sa-hppvtiroowtbo…
• www.huawei.com — https://www.huawei.com/en/psirt/security-advisories/2024/huawei-sa-hppvtiroowtbo…