CVE-2021-30263 Race condition in Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music
A race condition in Qualcomm Snapdragon logging allows attackers to potentially execute code or escalate privileges via concurrent node access.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-30263?
CVE-2021-30263 is a medium-severity vulnerability in Qualcomm Aqt1000 Firmware, published on 12 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Possible race condition can occur due to lack of synchronization mechanism when On-Device Logging node open twice concurrently in Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music
Weakness: CWE-416
Which versions are affected by CVE-2021-30263?
It affects 27 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Qca6391 Firmware and 21 more.
How do I fix CVE-2021-30263?
Apply the vendor's patch.
Is CVE-2021-30263 being exploited?
There is no known exploitation of CVE-2021-30263 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 2849917, A-187084382, GHSA-763m-x8v7-rj25, PUB-A-187084382.