CVE-2023-43544 — Memory corruption when IPC callback handle is used after it has been released du

Memory corruption when IPC callback handle is used after it has been released during register callback by another thread.

01What is this vulnerability?

Memory corruption when IPC callback handle is used after it has been released during register callback by another thread.

02Affected products

Vendor	Product	Versions
Qualcomm, Inc.	Snapdragon	AR8035, FastConnect 7800, QAM8255P, QAM8775P, QCA6584AU, QCA6698AQ, QCA8081, QCA8337, QCC710, QCN6224, QCN6274, QFW7114, QFW7124, SA8255P, SA8770P, SA8775P, SA9000P, Snapdragon Auto 5G Modem-RF Gen 2, Snapdragon W5+ Gen 1 Wearable Platform, Snapdragon X75 5G Modem-RF System, SW5100, SW5100P, WCD9340, WCN3980, WCN3988, WSA8830, WSA8835

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

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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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: 2024-06-03T10:05:18.375Z
• Last modified: 2024-08-02T19:44:43.639Z

09References

• docs.qualcomm.com — https://docs.qualcomm.com/product/publicresources/securitybulletin/june-2024-bul…