CVE-2021-44733

Published: Dec 22, 2021

Modified: Aug 4, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/tee/tee_shm.c

https://lore.kernel.org/lkml/20211215092501.1861229-1-jens.wiklander%40linaro.org/

https://github.com/pjlantz/optee-qemu/blob/main/README.md

https://security.netapp.com/advisory/ntap-20220114-0003/

[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update

mailing-list

DSA-5096

vendor-advisory

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dfd0743f1d9ea76931510ed150334d571fbab49d

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CVE-2021-44733

Description

Affected Products

References