Qualcomm Multiple Chipsets Use-After-Free Vulnerability

Memory corruption in DSP Services during a remote call from HLOS to DSP.

CheckOps priority index

4.3/10 Patch within 7 days

Severity7.8

Probability0.1

Exploitation2/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 0.67% higher than 52.1% of CVEs

CVSS 3.1 7.8 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:

Exploited for 1,064 days 05 Dec 2023

CISA due date 26 Dec 2023 for US federal agencies

Exploitation probability EPSS · FIRST

EPSS probability (%)Percentile among all CVEs

Exploitation signals 2 / 5

KEV catalog (CISA)05 Dec 2023
Exploited in EUVD (ENISA)05 Dec 2023
Used by ransomwareno
EPSS above 10 %0.67%
No account, over the networkno

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Affected products

SnapdragonMultiple Chipsets

Affected versions

CSR8811
Snapdragon 888 5G Mobile Platform
QCA9898
QCN9072
QCN6024
WSA8832
Snapdragon W5+ Gen 1 Wearable Platform
QCN5164
WCD9395
Snapdragon Auto 5G Modem-RF
QCA7500
IPQ8070

Weaknesses (CWE)

CWE-416

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

05 Dec 2023
Published
05 Dec 2023
Exploitation reported (ENISA)
05 Dec 2023
Added to the KEV catalog
26 Dec 2023
CISA remediation due date

References

Other exploited vulnerabilities from the same vendor

CVE-2026-21385Qualcomm Multiple Chipsets Memory Corruption Vulnerability
4.4 · Background exploitation
CVE-2025-27038Qualcomm Multiple Chipsets Use-After-Free Vulnerability
4.8 · Background exploitation
CVE-2025-21480Qualcomm Multiple Chipsets Incorrect Authorization Vulnerability
4.7 · Background exploitation
CVE-2025-21479Qualcomm Multiple Chipsets Incorrect Authorization Vulnerability
4.7 · Background exploitation
CVE-2024-43047Qualcomm Multiple Chipsets Use-After-Free Vulnerability
4.3 · Background exploitation
CVE-2023-33107Qualcomm Multiple Chipsets Integer Overflow Vulnerability
4.6 · Background exploitation