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CVE-2019-19052

Description

A memory leak in the gs_can_open() function in drivers/net/can/usb/gs_usb.c in the Linux kernel before 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering usb_submit_urb() failures, aka CID-fb5be6a7b486.

POC

Reference

- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11

- https://usn.ubuntu.com/4225-2/

- https://usn.ubuntu.com/4227-1/

- https://usn.ubuntu.com/4228-1/

- https://www.oracle.com/security-alerts/cpuApr2021.html

Github

- https://github.com/Live-Hack-CVE/CVE-2019-19052

- https://github.com/MrAgrippa/nes-01