CVE-2021-1968 Information disclosure in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Improper kernel buffer validation allows attackers to expose kernel memory to user space on Qualcomm Snapdragon devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-1968?
CVE-2021-1968 is a medium-severity vulnerability in Qualcomm Aqt1000 Firmware, published on 20 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper validation of kernel buffer address while copying information back to user buffer can lead to kernel memory information exposure to user space in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Weakness: CWE-20
Which versions are affected by CVE-2021-1968?
It affects 62 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Fsm10055 Firmware and 56 more.
How do I fix CVE-2021-1968?
Apply the vendor's patch.
Is CVE-2021-1968 being exploited?
There is no known exploitation of CVE-2021-1968 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 2837555, A-184564492, GHSA-wxm4-276x-4v9j, PUB-A-184564492.