CVE-2021-44733

CVE Details

Release Date:2021-12-22

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.

See more information about CVE-2021-44733 from MITRE CVE dictionary and NIST NVD


CVSS v3.0 metrics


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

Errata information


PlatformErrataRelease Date
Oracle Linux version 7 (kernel-uek)ELSA-2022-91472022-02-14
Oracle Linux version 7 (kernel-uek-container)ELSA-2022-91482022-02-14
Oracle Linux version 8 (kernel)ELSA-2022-19882022-05-17
Oracle Linux version 8 (kernel-uek)ELSA-2022-91472022-02-14
Oracle Linux version 8 (kernel-uek-container)ELSA-2022-91482022-02-14



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

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