CVE-2020-14364
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- CVE-2020-14364
CVE Details
| Release Date: | 2020-08-31 |
Description
An out-of-bounds read/write access flaw was found in the USB emulator of the QEMU in versions before 5.2.0. This issue occurs while processing USB packets from a guest when USBDevice 'setup_len' exceeds its 'data_buf[4096]' in the do_token_in, do_token_out routines. This flaw allows a guest user to crash the QEMU process, resulting in a denial of service, or the potential execution of arbitrary code with the privileges of the QEMU process on the host.
See more information about CVE-2020-14364 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: | 5 | Base Metrics: | AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L |
| Access Vector: | Local network | Attack Complexity: | High |
| Privileges Required: | High | User Interaction: | None |
| Scope: | Changed | Confidentiality Impact: | Low |
| Integrity Impact: | Low | Availability Impact: | Low |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 6 (qemu-kvm) | ELSA-2020-4056 | 2020-09-30 |
| Oracle Linux version 7 (qemu) | ELSA-2021-9034 | 2021-02-08 |
| Oracle Linux version 7 (qemu-kvm) | ELSA-2020-4079 | 2020-10-08 |
| Oracle Linux version 8 (hivex) | ELSA-2020-4059 | 2020-10-01 |
| Oracle Linux version 8 (libguestfs) | ELSA-2020-4059 | 2020-10-01 |
| Oracle Linux version 8 (libguestfs-winsupport) | ELSA-2020-4059 | 2020-10-01 |
| Oracle Linux version 8 (libiscsi) | ELSA-2020-4059 | 2020-10-01 |
| Oracle Linux version 8 (libvirt) | ELSA-2020-4059 | 2020-10-01 |
| Oracle Linux version 8 (libvirt-dbus) | ELSA-2020-4059 | 2020-10-01 |
| Oracle Linux version 8 (libvirt-python) | ELSA-2020-4059 | 2020-10-01 |
| Oracle Linux version 8 (nbdkit) | ELSA-2020-4059 | 2020-10-01 |
| Oracle Linux version 8 (netcf) | ELSA-2020-4059 | 2020-10-01 |
| Oracle Linux version 8 (perl-Sys-Virt) | ELSA-2020-4059 | 2020-10-01 |
| Oracle Linux version 8 (qemu-kvm) | ELSA-2020-4059 | 2020-10-01 |
| Oracle Linux version 8 (seabios) | ELSA-2020-4059 | 2020-10-01 |
| Oracle Linux version 8 (sgabios) | ELSA-2020-4059 | 2020-10-01 |
| Oracle Linux version 8 (supermin) | ELSA-2020-4059 | 2020-10-01 |
| Oracle VM version 3.4 (qemu-kvm) | OVMSA-2020-0043 | 2020-10-02 |
| Oracle VM version 3.4 (xen) | OVMSA-2020-0038 | 2020-08-26 |
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