CVE-2021-33656

CVE Details

Release Date:2022-07-18

Description


When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.

See more information about CVE-2021-33656 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: 6.8 Base Metrics: AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector: Physical Attack Complexity: Low
Privileges Required: None User Interaction: None
Scope: Unchanged Confidentiality Impact: High
Integrity Impact: High Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 6 (kernel-uek)ELSA-2022-97612022-09-06
Oracle Linux version 7 (kernel-uek)ELSA-2022-97612022-09-06
Oracle Linux version 8 (kernel)ELSA-2023-29512023-05-23
Oracle VM version 3 (kernel-uek)OVMSA-2022-00242022-09-06



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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