Actively exploited vulnerability
Qualcomm products: memory corruption flaw under attack
CVE-2024-43047 · Qualcomm Multiple Chipsets Use-After-Free Vulnerability
What is affected
Qualcomm products are found on ordinary personal computers and phones, so this is not only a problem for companies. If you use them and have not updated since the fix was released, you are exposed.
Multiple Qualcomm chipsets contain a use-after-free vulnerability due to memory corruption in DSP Services while maintaining memory maps of HLOS memory.
What an attacker can do
This is a memory corruption flaw. It lets an attacker corrupt the program's memory by feeding it specially crafted content: a web page, a file or a network message. The result ranges from a crash to the attacker running their own code.
- How it is reached
- Needs access to the device or a file opened on it
- Access the attacker needs
- A basic user account
- Does the victim have to do something?
- No, works without the victim doing anything
What to do
- Update Qualcomm products now. Open the update or "About" screen, install whatever is offered and restart the app or device, because the fix is not active until you do.
- Turn on automatic updates so the next fix arrives without you having to look for it.
- If your device is too old to receive this update, stop using the affected app for anything sensitive and plan a replacement.
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Vendor advisories and fixes
- git.codelinaro.orggit.codelinaro.org/clo/la/platform/vendor/qcom/opensource/dsp-kernel/-/commit/0e27b6c7d2bd
How urgent is it
CISA added this vulnerability to its Known Exploited Vulnerabilities catalogue on October 8, 2024, which means there is reliable evidence of attacks in the wild. US federal agencies must fix it by October 29, 2024, a deadline that has already passed. That deadline does not bind anyone else, but it shows how seriously the agency rates it.
The EPSS model estimates a 0.7% probability that this flaw will be exploited somewhere in the next 30 days. That is higher than 51% of all scored vulnerabilities.
Its CVSS severity score is 7.8 out of 10 (high), as recorded in the US National Vulnerability Database.
Technical description
Memory corruption while maintaining memory maps of HLOS memory.