CVE-2021-3750
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- CVE-2021-3750
CVE Details
| Release Date: | 2020-08-26 |
Description
A DMA reentrancy issue was found in the USB EHCI controller emulation of QEMU. EHCI does not verify if the Buffer Pointer overlaps with its MMIO region when it transfers the USB packets. Crafted content may be written to the controller's registers and trigger undesirable actions (such as reset) while the device is still transferring packets. This can ultimately lead to a use-after-free issue. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition, or potentially execute arbitrary code within the context of the QEMU process on the host. This flaw affects QEMU versions before 7.0.0.
See more information about CVE-2021-3750 from MITRE CVE dictionary and NIST NVD
CVSS Scoring
NOTE: The following CVSS v3.1 metrics and score provided are preliminary and subject to review.
| Base Score: | 7.5 | CVSS Vector: | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |
| Attack Vector: | Local network | Attack Complexity: | High |
| Privileges Required: | High | User Interaction: | None |
| Scope: | Changed | Confidentiality Impact: | High |
| Integrity Impact: | High | Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 8 (hivex) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (hivex) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (hivex) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libguestfs) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (libguestfs) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (libguestfs) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libguestfs-winsupport) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (libguestfs-winsupport) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (libguestfs-winsupport) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libiscsi) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (libiscsi) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (libiscsi) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libnbd) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (libnbd) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (libnbd) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libtpms) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (libtpms) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (libtpms) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libvirt) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (libvirt) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (libvirt) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libvirt-dbus) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (libvirt-dbus) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (libvirt-dbus) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libvirt-python) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (libvirt-python) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (libvirt-python) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (nbdkit) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (nbdkit) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (nbdkit) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (netcf) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (netcf) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (netcf) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (perl-Sys-Virt) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (perl-Sys-Virt) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (perl-Sys-Virt) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (qemu-kvm) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (qemu-kvm) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (qemu-kvm) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (seabios) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (seabios) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (seabios) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (sgabios) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (sgabios) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (sgabios) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (supermin) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (supermin) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (supermin) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (swtpm) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (swtpm) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (swtpm) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (virt-v2v) | ELSA-2023-6980 | 2023-11-18 |
| Oracle Linux version 8 (virt-v2v) | ELSA-2024-12276 | 2024-04-10 |
| Oracle Linux version 8 (virt-v2v) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 9 (qemu-kvm) | ELSA-2022-7967 | 2022-11-22 |
| Oracle Linux version 9 (qemu-kvm) | ELSA-2024-12407 | 2024-06-03 |
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections:
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