CVE-2021-3638
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- CVE-2021-3638
CVE Details
| Release Date: | 2021-07-07 |
Description
An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.
See more information about CVE-2021-3638 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: | 6 | CVSS Vector: | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
| Attack Vector: | Local network | Attack Complexity: | Low |
| Privileges Required: | High | User Interaction: | None |
| Scope: | Changed | Confidentiality Impact: | None |
| Integrity Impact: | None | Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (qemu) | ELSA-2023-12065 | 2023-01-23 |
| Oracle Linux version 8 (hivex) | ELSA-2023-12108 | 2023-02-08 |
| Oracle Linux version 8 (hivex) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libguestfs) | ELSA-2023-12108 | 2023-02-08 |
| Oracle Linux version 8 (libguestfs) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libguestfs-winsupport) | ELSA-2023-12108 | 2023-02-08 |
| Oracle Linux version 8 (libguestfs-winsupport) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libiscsi) | ELSA-2023-12108 | 2023-02-08 |
| Oracle Linux version 8 (libiscsi) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libnbd) | ELSA-2023-12108 | 2023-02-08 |
| Oracle Linux version 8 (libnbd) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libtpms) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libvirt) | ELSA-2023-12108 | 2023-02-08 |
| Oracle Linux version 8 (libvirt) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libvirt-dbus) | ELSA-2023-12108 | 2023-02-08 |
| Oracle Linux version 8 (libvirt-dbus) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (libvirt-python) | ELSA-2023-12108 | 2023-02-08 |
| Oracle Linux version 8 (libvirt-python) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (nbdkit) | ELSA-2023-12108 | 2023-02-08 |
| Oracle Linux version 8 (nbdkit) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (netcf) | ELSA-2023-12108 | 2023-02-08 |
| Oracle Linux version 8 (netcf) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (perl-Sys-Virt) | ELSA-2023-12108 | 2023-02-08 |
| Oracle Linux version 8 (perl-Sys-Virt) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (qemu-kvm) | ELSA-2023-12108 | 2023-02-08 |
| Oracle Linux version 8 (qemu-kvm) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (seabios) | ELSA-2023-12108 | 2023-02-08 |
| Oracle Linux version 8 (seabios) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (sgabios) | ELSA-2023-12108 | 2023-02-08 |
| Oracle Linux version 8 (sgabios) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (supermin) | ELSA-2023-12108 | 2023-02-08 |
| Oracle Linux version 8 (supermin) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (swtpm) | ELSA-2024-12605 | 2024-09-02 |
| Oracle Linux version 8 (virt-v2v) | ELSA-2024-12605 | 2024-09-02 |
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections:
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