CVE-2020-29568
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- CVE-2020-29568
CVE Details
| Release Date: | 2020-12-15 |
Description
An issue was discovered in Xen through 4.14.x. Some OSes (such as Linux, FreeBSD, and NetBSD) are processing watch events using a single thread. If the events are received faster than the thread is able to handle, they will get queued. As the queue is unbounded, a guest may be able to trigger an OOM in the backend. All systems with a FreeBSD, Linux, or NetBSD (any version) dom0 are vulnerable.
See more information about CVE-2020-29568 from MITRE CVE dictionary and NIST NVD
CVSS v3.0 metrics
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
| Base Score: | 6.5 | Base Metrics: | AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
| Access Vector: | Local network | Attack Complexity: | Low |
| Privileges Required: | Low | User Interaction: | None |
| Scope: | Changed | Confidentiality Impact: | None |
| Integrity Impact: | None | Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 6 (kernel-uek) | ELSA-2021-9009 | 2021-01-12 |
| Oracle Linux version 6 (kernel-uek) | ELSA-2021-9030 | 2021-02-03 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2021-9005 | 2021-01-12 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2021-9006 | 2021-01-12 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2021-9009 | 2021-01-12 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2021-9023 | 2021-01-30 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2021-9030 | 2021-02-03 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2021-9037 | 2021-02-08 |
| Oracle Linux version 7 (kernel-uek-container) | ELSA-2021-9007 | 2021-01-12 |
| Oracle Linux version 7 (kernel-uek-container) | ELSA-2021-9008 | 2021-01-12 |
| Oracle Linux version 7 (kernel-uek-container) | ELSA-2021-9024 | 2021-02-01 |
| Oracle Linux version 7 (kernel-uek-container) | ELSA-2021-9025 | 2021-02-01 |
| Oracle Linux version 7 (kernel-uek-container) | ELSA-2021-9038 | 2021-02-08 |
| Oracle Linux version 8 (kernel-uek) | ELSA-2021-9006 | 2021-01-12 |
| Oracle Linux version 8 (kernel-uek) | ELSA-2021-9037 | 2021-02-08 |
| Oracle Linux version 8 (kernel-uek-container) | ELSA-2021-9007 | 2021-01-12 |
| Oracle Linux version 8 (kernel-uek-container) | ELSA-2021-9038 | 2021-02-08 |
| Oracle VM version 3.4 (kernel-uek) | OVMSA-2021-0002 | 2021-01-12 |
| Oracle VM version 3.4 (kernel-uek) | OVMSA-2021-0005 | 2021-02-04 |
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