CVE-2023-33036 NULL Pointer Dereference in Hypervisor
An untrusted VM can cause a permanent denial of service in the Qualcomm Hypervisor by making a PSCI call without PSCI support.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-33036?
CVE-2023-33036 is a high-severity vulnerability in Qualcomm Aqt1000 Firmware, published on 2 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Permanent DOS in Hypervisor while untrusted VM without PSCI support makes a PSCI call.
Weakness: CWE-476
Which versions are affected by CVE-2023-33036?
It affects 104 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6800 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware and 98 more.
How do I fix CVE-2023-33036?
No fix has been published for CVE-2023-33036 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-33036 being exploited?
There is no known exploitation of CVE-2023-33036 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Aqt1000 Firmware
- CVE-2025-21479 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2025-21480 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2023-28562 Buffer Copy Without Checking Size of Input in QESL
- CVE-2022-40514 Buffer copy without checking size of input in WLAN Firmware
- CVE-2022-22096 Memory corruption in Snapdragon Connectivity, Snapdragon Mobile
Sources
Also known as GHSA-v3cw-88qx-cf5c.