CVE-2020-25656
Global infos:
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.
CVE Status: Modified
References:
Metrics:
| Attribute | Value |
|---|---|
| Attack Complexity | HIGH |
| Attack Vector | LOCAL |
| Availability Impact | NONE |
| Base Score | 4.1 |
| Base Severity | MEDIUM |
| Confidentiality Impact | HIGH |
| Integrity Impact | NONE |
| Privileges Required | HIGH |
| Scope | UNCHANGED |
| User Interaction | NONE |
| Vector String | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N |
| Exploitability Score | 0.5 |
| Impact Score | 3.6 |
| Source | [email protected] |
| Type | Primary |