CVE-2022-33305 Null pointer dereference in Modem
A null pointer dereference in the Qualcomm Modem allows attackers to cause a transient denial of service by sending invalid DCCH messages.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-33305?
CVE-2022-33305 is a high-severity vulnerability in Qualcomm 315 5g Iot Modem Firmware, published on 2 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Transient DOS due to NULL pointer dereference in Modem while sending invalid messages in DCCH.
Weakness: CWE-476
Which versions are affected by CVE-2022-33305?
It affects 81 products.
Products include Qualcomm 315 5g Iot Modem Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Qca6390 Firmware, Qualcomm Qca6391 Firmware and 75 more.
How do I fix CVE-2022-33305?
No fix has been published for CVE-2022-33305 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-33305 being exploited?
There is no known exploitation of CVE-2022-33305 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm 315 5g Iot Modem Firmware
- CVE-2023-33107 Qualcomm Multiple Chipsets Integer Overflow
- CVE-2023-33063 Qualcomm Multiple Chipsets Use-After-Free
- CVE-2025-27034 Improper Validation of Array Index in Multi-Mode Call Processor
- CVE-2023-22388 Use of Out-of-range Pointer Offset in Multi-mode Call Processor
- CVE-2023-28578 Improper Input Validation in Services
Sources
Also known as GHSA-gwq3-cjp5-74m9.