CVE-2020-36557 | Date: (C)2022-07-22 (M)2024-05-10 |
A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free.
CVSS Score and Metrics +CVSS Score and Metrics -CVSS V3 Severity: | CVSS V2 Severity: |
CVSS Score : 5.1 | CVSS Score : |
Exploit Score: 1.4 | Exploit Score: |
Impact Score: 3.6 | Impact Score: |
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CVSS V3 Metrics: | CVSS V2 Metrics: |
Attack Vector: LOCAL | Access Vector: |
Attack Complexity: HIGH | Access Complexity: |
Privileges Required: NONE | Authentication: |
User Interaction: NONE | Confidentiality: |
Scope: UNCHANGED | Integrity: |
Confidentiality: NONE | Availability: |
Integrity: NONE | |
Availability: HIGH | |
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