CVE-2021-1905 Qualcomm Multiple Chipsets Use-After-Free
Use-after-free in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or escalate privileges via improper memory mapping handling.
- Exploited in the wild
- Since 3 Nov 2021
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-1905?
CVE-2021-1905 is a high-severity use after free vulnerability in Qualcomm Apq8009 Firmware, published on 7 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Possible use after free due to improper handling of memory mapping of multiple processes simultaneously. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Weakness: CWE-416
Which versions are affected by CVE-2021-1905?
It affects 396 products.
Products include Qualcomm Apq8009 Firmware, Qualcomm Apq8009w Firmware, Qualcomm Apq8017 Firmware, Qualcomm Apq8053 Firmware, Qualcomm Apq8064au Firmware, Qualcomm Apq8096au Firmware and 390 more.
How do I fix CVE-2021-1905?
Apply the vendor's patch. US federal agencies must fix it by 3 May 2022.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2021-1905 being exploited?
Yes. Attackers have exploited CVE-2021-1905 in the wild since at least 3 Nov 2021.
Other vulnerabilities in Qualcomm Apq8009 Firmware
- CVE-2020-11261 Qualcomm Multiple Chipsets Improper Input Validation
- CVE-2021-1906 Qualcomm Multiple Chipsets Detection of Error Condition Without Action
- CVE-2022-40510 Buffer copy without checking size of input in Audio.
- CVE-2022-22088 Integer Overflow to Buffer Overflow in Bluetooth HOST
- CVE-2022-25720 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Sources
Also known as 2826864, A-178809945, ASB-A-178809945, GHSA-jxmm-frjr-grqr.