CVE-2021-35101 Denial of service in Snapdragon Auto, Snapdragon Compute, Snapdragon Mobile
Improper handling of virtual GICR control writes causes hypervisor assertion failures, leading to denial of service in Snapdragon devices.
- 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-2021-35101?
CVE-2021-35101 is a high-severity denial of service vulnerability in Qualcomm Aqt1000 Firmware, published on 14 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper handling of writes to virtual GICR control can lead to assertion failure in the hypervisor in Snapdragon Auto, Snapdragon Compute, Snapdragon Mobile
Weakness: CWE-617
Which versions are affected by CVE-2021-35101?
It affects 24 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Qca6390 Firmware, Qualcomm Qca6391 Firmware, Qualcomm Qca6420 Firmware, Qualcomm Qca6421 Firmware, Qualcomm Qca6426 Firmware and 18 more.
How do I fix CVE-2021-35101?
No fix has been published for CVE-2021-35101 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-35101 being exploited?
There is no known exploitation of CVE-2021-35101 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-jcvr-2w9w-x2rh.