CVE-2021-44733
- State
- Published
- Severity
- Not scored
- Published
- Dec 22, 2021
- Updated
- Aug 4, 2024
- Reserved
- Dec 8, 2021
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/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 updatemailing-list
- DSA-5096vendor-advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dfd0743f1d9ea76931510ed150334d571fbab49d
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