CVE-2023-33063 Qualcomm Multiple Chipsets Use-After-Free
A use-after-free vulnerability in Qualcomm DSP Services allows remote attackers to execute arbitrary code or escalate privileges via HLOS calls.
- Exploited in the wild
- Since 5 Dec 2023
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-33063?
CVE-2023-33063 is a high-severity use after free vulnerability in Qualcomm 315 5g Iot Modem Firmware, published on 5 Dec 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption in DSP Services during a remote call from HLOS to DSP.
Weakness: CWE-416
Which versions are affected by CVE-2023-33063?
It affects 281 products.
Products include Qualcomm 315 5g Iot Modem Firmware, Qualcomm 8098 Firmware, Qualcomm 8953pro Firmware, Qualcomm 8998 Firmware, Qualcomm Apq5053-Aa Firmware, Qualcomm Apq8009 Firmware and 275 more.
How do I fix CVE-2023-33063?
Apply the vendor's patch. US federal agencies must fix it by 26 Dec 2023.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2023-33063 being exploited?
Yes. Attackers have exploited CVE-2023-33063 in the wild since at least 5 Dec 2023.
Other vulnerabilities in Qualcomm 315 5g Iot Modem Firmware
- CVE-2023-33107 Qualcomm Multiple Chipsets Integer Overflow
- CVE-2025-27034 Improper Validation of Array Index in Multi-Mode Call Processor
- CVE-2023-22388 Use of Out-of-range Pointer Offset in Multi-mode Call Processor
- CVE-2023-28578 Improper Input Validation in Services
- CVE-2023-33072 Buffer copy without checking size of Input in Core
Sources
Also known as 3447219, A-266568298, ASB-A-266568298, GHSA-534v-34xw-2g2m.