CVE-2020-25656
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- CVE-2020-25656
CVE Details
| Release Date: | 2020-10-16 | |
| Impact: | Moderate | What is this? |
Description
A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality.
See more information about CVE-2020-25656 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: | 4.1 |
| Vector String: | CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N |
| Version: | 3.0 |
| Attack Vector: | Local |
| Attack Complexity: | High |
| Privileges Required: | High |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | None |
| Availability Impact: | None |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (kernel) | ELSA-2021-0856 | 2021-03-17 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2020-5995 | 2020-12-14 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2020-5996 | 2020-12-15 |
| Oracle Linux version 8 (kernel) | ELSA-2024-3138 | 2024-05-23 |
| Oracle Linux version 8 (kernel-uek) | ELSA-2020-5996 | 2020-12-15 |
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