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Linux Kernel Security Linux Kernel Security @linkersec · 4.73K subscribers
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CVE-2021-44733: Fuzzing and exploitation of a use-after-free in the Linux kernel TEE subsystem

An article about a bug in the Trusted Execution Environment subsystem. By Patrik Lantz.

The bug was found by syzkaller; descriptions are included in the article. An exploit for controlling PC is also provided along with instructions for reproducing. The exploit does not bypass PAN.
GitHub optee-qemu/README.md at main · pjlantz/optee-qemu Environment with vulnerable kernel for exploitation of the TEE driver (CVE-2021-44733) - pjlantz/optee-qemu
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