Release Date: | 2021-12-22 |
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.
See more information about CVE-2021-44733 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
Base Score: | 7 | Base Metrics: | AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Access Vector: | Local network | Attack Complexity: | High |
Privileges Required: | Low | User Interaction: | None |
Scope: | Unchanged | Confidentiality Impact: | High |
Integrity Impact: | High | Availability Impact: | High |
Platform | Errata | Release Date |
Oracle Linux version 7 (kernel-uek) | ELSA-2022-9147 | 2022-02-14 |
Oracle Linux version 7 (kernel-uek-container) | ELSA-2022-9148 | 2022-02-14 |
Oracle Linux version 8 (kernel) | ELSA-2022-1988 | 2022-05-17 |
Oracle Linux version 8 (kernel-uek) | ELSA-2022-9147 | 2022-02-14 |
Oracle Linux version 8 (kernel-uek-container) | ELSA-2022-9148 | 2022-02-14 |
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team