CVE-2023-43521

Home/CVE/Memory corruption when multiple listeners are being registered with the same file descriptor.

CVE

Memory corruption when multiple listeners are being registered with the same file descriptor.

MEDIUM · CVSS 6.7 EPSS 0.0003

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-416Use After Free

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Affected Products & Versions

qualcomm ar8035 firmwareall versions
qualcomm c-v2x 9150 firmwareall versions
qualcomm fastconnect 6800 firmwareall versions
qualcomm fastconnect 6900 firmwareall versions
qualcomm fastconnect 7800 firmwareall versions
qualcomm qam8255p firmwareall versions
qualcomm qam8295p firmwareall versions
qualcomm qam8650p firmwareall versions
Show all 60 affected productsqualcomm qam8775p firmwareall versions
qualcomm qamsrv1h firmwareall versions
qualcomm qamsrv1m firmwareall versions
qualcomm qca6174a firmwareall versions
qualcomm qca6391 firmwareall versions
qualcomm qca6426 firmwareall versions
qualcomm qca6436 firmwareall versions
qualcomm qca6574au firmwareall versions
qualcomm qca6584au firmwareall versions
qualcomm qca6696 firmwareall versions
qualcomm qca6698aq firmwareall versions
qualcomm qca8081 firmwareall versions
qualcomm qca8337 firmwareall versions
qualcomm qcc710 firmwareall versions
qualcomm qcn6224 firmwareall versions
qualcomm qcn6274 firmwareall versions
qualcomm qcn9074 firmwareall versions
qualcomm qcs410 firmwareall versions
qualcomm qcs610 firmwareall versions
qualcomm qfw7114 firmwareall versions
qualcomm qfw7124 firmwareall versions
qualcomm video collaboration vc1 platform firmwareall versions
qualcomm video collaboration vc3 platform firmwareall versions
qualcomm sa6145p firmwareall versions
qualcomm sa6150p firmwareall versions
qualcomm sa6155p firmwareall versions
qualcomm sa7255p firmwareall versions
qualcomm sa8145p firmwareall versions
qualcomm sa8150p firmwareall versions
qualcomm sa8155p firmwareall versions
qualcomm sa8195p firmwareall versions
qualcomm sa8255p firmwareall versions
qualcomm sa8295p firmwareall versions
qualcomm sa8620p firmwareall versions
qualcomm sa8650p firmwareall versions
qualcomm sa8770p firmwareall versions
qualcomm sa8775p firmwareall versions
qualcomm sa9000p firmwareall versions
qualcomm sd865 5g firmwareall versions
qualcomm snapdragon 8 gen 1 mobile firmwareall versions
qualcomm snapdragon 865 5g mobile firmwareall versions
qualcomm snapdragon 865\+ 5g mobile firmwareall versions
qualcomm snapdragon 870 5g mobile firmwareall versions
qualcomm snapdragon auto 5g modem-rf gen 2 firmwareall versions
qualcomm snapdragon w5\+ gen 1 wearable firmwareall versions
qualcomm snapdragon wear 4100\+ firmwareall versions
qualcomm snapdragon x55 5g modem-rf firmwareall versions
qualcomm snapdragon x72 5g modem-rf firmwareall versions
qualcomm snapdragon x75 5g modem-rf firmwareall versions
qualcomm snapdragon xr2 5g firmwareall versions
qualcomm srv1h firmwareall versions
qualcomm srv1m firmwareall versions

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Scoring & Timeline

6.7

MEDIUM · CVSS v3.1 · product-security@qualcomm.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD06 May 2024 · 03:15 PM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

SSVC triage · cisa-vulnrichment

Exploitation

none

Automatable

Technical impact

total

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2024-bulletin.htmlPatchVendor Advisory

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External lookups - second-class, for what we don’t hold ourselves

NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

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NIST 800-53
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