CVE-2021-35095 Race condition in Snapdragon Connectivity, Snapdragon Mobile
A race condition in Qualcomm Snapdragon message queue registration allows multiple clients to share labels, potentially enabling privilege escalation or code execution.
- 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-2021-35095?
CVE-2021-35095 is a high-severity vulnerability in Qualcomm Ar8035 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 serialization of message queue client registration can lead to race condition allowing multiple gunyah message clients to register with same label in Snapdragon Connectivity, Snapdragon Mobile
Weakness: CWE-502
Which versions are affected by CVE-2021-35095?
It affects 10 products.
Products include Qualcomm Ar8035 Firmware, Qualcomm Qca8081 Firmware, Qualcomm Qca8337 Firmware, Qualcomm Sd 8 Gen1 5g Firmware, Qualcomm Sdx65 Firmware, Qualcomm Wcd9380 Firmware and 4 more.
How do I fix CVE-2021-35095?
Apply the vendor's patch.
Is CVE-2021-35095 being exploited?
There is no known exploitation of CVE-2021-35095 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Ar8035 Firmware
- CVE-2023-33106 Qualcomm Multiple Chipsets Use of Out-of-Range Pointer Offset
- CVE-2024-45569 Improper Validation of Array Index in WLAN Host Communication
- CVE-2024-21473 Improper Input Validation in WIN SON
- CVE-2023-28582 Buffer Copy Without Checking Size of Input in Data Modem
- CVE-2023-43552 Use After Free in WLAN Host Communication
Sources
Also known as 2996895, A-204905206, ASB-A-204905206, GHSA-7vc8-hf39-6395.