Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-47062 | First vendor Publication | 2024-02-29 |
| Vendor | Cve | Last vendor Modification | 2024-12-10 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 5.5 | ||
| Base Score | 5.5 | Environmental Score | 5.5 |
| impact SubScore | 3.6 | Temporal Score | 5.5 |
| Exploitabality Sub Score | 1.8 | ||
| Attack Vector | Local | Attack Complexity | Low |
| Privileges Required | Low | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | None |
| Integrity Impact | None | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : | |||
|---|---|---|---|
| Cvss Base Score | N/A | Attack Range | N/A |
| Cvss Impact Score | N/A | Attack Complexity | N/A |
| Cvss Expoit Score | N/A | Authentication | N/A |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Use online_vcpus, not created_vcpus, to iterate over vCPUs Use the kvm_for_each_vcpu() helper to iterate over vCPUs when encrypting VMSAs for SEV, which effectively switches to use online_vcpus instead of created_vcpus. This fixes a possible null-pointer dereference as created_vcpus does not guarantee a vCPU exists, since it is updated at the very beginning of KVM_CREATE_VCPU. created_vcpus exists to allow the bulk of vCPU creation to run in parallel, while still correctly restricting the max number of max vCPUs. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47062 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-476 | NULL Pointer Dereference |
CPE : Common Platform Enumeration
Sources (Detail)
Alert History
| Date | Informations |
|---|---|
| 2025-07-15 01:52:54 |
|
| 2025-07-14 12:16:31 |
|
| 2025-06-26 01:51:45 |
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| 2025-06-25 12:15:59 |
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| 2025-06-24 01:56:13 |
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| 2025-03-29 02:57:12 |
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| 2025-03-28 13:27:34 |
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| 2025-03-28 02:42:08 |
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| 2025-03-18 02:49:59 |
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| 2025-03-14 02:40:03 |
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| 2025-01-08 02:34:50 |
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| 2025-01-07 02:34:27 |
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| 2024-12-11 21:21:48 |
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| 2024-12-10 21:20:49 |
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| 2024-11-25 09:26:39 |
|
| 2024-03-01 17:27:25 |
|
| 2024-03-01 05:27:25 |
|
