CVE-2022-40508 Reachable assertion in Modem
A reachable assertion in the Modem component allows attackers to cause a transient denial of service via unsupported cross-carrier scheduling configurations.
- 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-2022-40508?
CVE-2022-40508 is a high-severity denial of service 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 reachable assertion in Modem while processing config related to cross carrier scheduling, which is not supported.
Weakness: CWE-617
Which versions are affected by CVE-2022-40508?
It affects 68 products.
Products include Qualcomm 315 5g Iot Modem Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Qca6390 Firmware, Qualcomm Qca6391 Firmware, Qualcomm Qca6421 Firmware and 62 more.
How do I fix CVE-2022-40508?
No fix has been published for CVE-2022-40508 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-40508 being exploited?
There is no known exploitation of CVE-2022-40508 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-5353-grp4-p243.