CVE-2021-33656
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- CVE-2021-33656
CVE Details
| Release Date: | 2022-07-18 | |
| Impact: | None | What is this? |
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
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 6.8 |
| Vector String: | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Version: | 3.0 |
| Attack Vector: | Physical |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 6 (kernel-uek) | ELSA-2022-9761 | 2022-09-06 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2022-9761 | 2022-09-06 |
| Oracle Linux version 8 (kernel) | ELSA-2023-2951 | 2023-05-23 |
| Oracle VM version 3 (kernel-uek) | OVMSA-2022-0024 | 2022-09-06 |
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