PoC Index

CVE-2021-44733

HIGH 7.0EPSS 0.7%

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.

CVSS v3.1
7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
4.4 MEDIUMAV:L/AC:M/Au:N/C:P/I:P/A:P
EPSS
0.70% chance of exploitation in the next 30 days, 51th percentile
Published
2021-12-22
Updated
2024-08-04

Proof-of-concept exploits (1)

References

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