| CVE-2021-4158 | Date: (C)2022-02-23 (M)2024-04-19 |
A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V3 Severity: | CVSS V2 Severity: |
| CVSS Score : 6.0 | CVSS Score : |
| Exploit Score: 1.5 | Exploit Score: |
| Impact Score: 4.0 | Impact Score: |
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| CVSS V3 Metrics: | CVSS V2 Metrics: |
| Attack Vector: LOCAL | Access Vector: |
| Attack Complexity: LOW | Access Complexity: |
| Privileges Required: HIGH | Authentication: |
| User Interaction: NONE | Confidentiality: |
| Scope: CHANGED | Integrity: |
| Confidentiality: NONE | Availability: |
| Integrity: NONE | |
| Availability: HIGH | |
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