CVE-2021-35090 Race condition in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile
A race condition in Qualcomm Snapdragon firmware allows attackers to corrupt hypervisor memory, potentially leading to code execution or privilege escalation.
- 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-2021-35090?
CVE-2021-35090 is a critical 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
Possible hypervisor memory corruption due to TOC TOU race condition when updating address mappings in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile
Weakness: CWE-367
Which versions are affected by CVE-2021-35090?
It affects 56 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Qca6390 Firmware, Qualcomm Qca6391 Firmware, Qualcomm Qca6420 Firmware, Qualcomm Qca6421 Firmware, Qualcomm Qca6426 Firmware and 50 more.
How do I fix CVE-2021-35090?
No fix has been published for CVE-2021-35090 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-35090 being exploited?
There is no known exploitation of CVE-2021-35090 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-h5xr-3x7r-2w3w.