pjlantz/optee-qemu

pjlantz/optee-qemu

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Environment with vulnerable kernel for exploitation of the TEE driver (CVE-2021-44733)
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CVE History

CVEPublishedCVSS v3CVSS v2
CVE-2021-44733↗
7 HIGH4.4 MEDIUM

A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object.