CVE-2023-21633 Improper Restriction of Operations within the Bounds of a Memory Buffer in Linux
A memory corruption flaw in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or escalate privileges via IMS registration messages.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-21633?
CVE-2023-21633 is a medium-severity memory corruption vulnerability in Qualcomm Apq8064au Firmware, published on 4 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory Corruption in Linux while processing QcRilRequestImsRegisterMultiIdentityMessage request.
Which versions are affected by CVE-2023-21633?
It affects 97 products.
Products include Qualcomm Apq8064au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6800 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Msm8996au Firmware and 91 more.
How do I fix CVE-2023-21633?
No fix has been published for CVE-2023-21633 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-21633 being exploited?
There is no known exploitation of CVE-2023-21633 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Apq8064au Firmware
Sources
Also known as GHSA-fg3g-frcw-5756.