CVE-2023-43515 — Memory corruption in HLOS while running kernel address sanitizers (syzkaller) on

Memory corruption in HLOS while running kernel address sanitizers (syzkaller) on tmecom with DEBUG_FS enabled.

01What is this vulnerability?

Memory corruption in HLOS while running kernel address sanitizers (syzkaller) on tmecom with DEBUG_FS enabled.

02Affected products

Vendor	Product	Versions
Qualcomm, Inc.	Snapdragon	FastConnect 6900, FastConnect 7800, Snapdragon 8 Gen 1 Mobile Platform, WCD9380, 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:

Open in Sigma generator →

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: 2024-04-01T15:05:59.198Z
• Last modified: 2024-08-02T19:44:43.903Z

09References

• docs.qualcomm.com — https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2024-bu…