CVE-2019-14079 Null dereference in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables
An uninitialized variable in the DMA driver causes kernel failure when unmapping an unmapped buffer, leading to denial of service on Snapdragon devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-14079?
CVE-2019-14079 is a high-severity vulnerability in Qualcomm Apq8009 Firmware, published on 5 Mar 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Access to the uninitialized variable when the driver tries to unmap the dma buffer of a request which was never mapped in the first place leading to kernel failure in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables in APQ8009, APQ8053, MDM9607, MDM9640, MSM8909W, MSM8953, QCA6574AU, QCS605, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM632, SDM670, SDM710, SDM845, SDX24, SM8150, SXR1130
Weakness: CWE-908
Which versions are affected by CVE-2019-14079?
It affects 20 products.
Products include Qualcomm Apq8009 Firmware, Qualcomm Apq8053 Firmware, Qualcomm Mdm9607 Firmware, Qualcomm Mdm9640 Firmware, Qualcomm Msm8909w Firmware, Qualcomm Msm8953 Firmware and 14 more.
How do I fix CVE-2019-14079?
No fix has been published for CVE-2019-14079 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-14079 being exploited?
There is no known exploitation of CVE-2019-14079 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Qualcomm Apq8009 Firmware
- CVE-2021-1905 Qualcomm Multiple Chipsets Use-After-Free
- CVE-2020-11261 Qualcomm Multiple Chipsets Improper Input Validation
- CVE-2021-1906 Qualcomm Multiple Chipsets Detection of Error Condition Without Action
- CVE-2022-40510 Buffer copy without checking size of input in Audio.
- CVE-2022-22088 Integer Overflow to Buffer Overflow in Bluetooth HOST
Sources
Also known as GHSA-r5w6-vmvw-3856.