CVE-2022-33278 Buffer copy without checking the size of input in HLOS
A buffer overflow in Qualcomm Snapdragon HLOS allows attackers to execute arbitrary code or escalate privileges via oversized input messages.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-33278?
CVE-2022-33278 is a high-severity memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 7 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption due to buffer copy without checking the size of input in HLOS when input message size is larger than the buffer capacity.
Weakness: CWE-120
Which versions are affected by CVE-2022-33278?
It affects 123 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Qam8295p Firmware, Qualcomm Qca6390 Firmware and 117 more.
How do I fix CVE-2022-33278?
No fix has been published for CVE-2022-33278 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-33278 being exploited?
There is no known exploitation of CVE-2022-33278 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-gv5v-q9vq-26q4.