CVE-2021-4206
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- CVE-2021-4206
CVE Details
| Release Date: | 2022-04-29 | |
| Impact: | None | What is this? |
Description
A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursor_alloc() function can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. This flaw allows a malicious privileged guest user to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.
See more information about CVE-2021-4206 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 8.2 |
| Vector String: | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| Version: | 3.0 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| 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 7 (qemu) | ELSA-2022-9669 | 2022-08-01 |
| Oracle Linux version 8 (hivex) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (hivex) | ELSA-2022-9700 | 2022-08-08 |
| Oracle Linux version 8 (hivex) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (libguestfs) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (libguestfs) | ELSA-2022-9700 | 2022-08-08 |
| Oracle Linux version 8 (libguestfs) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (libguestfs-winsupport) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (libguestfs-winsupport) | ELSA-2022-9700 | 2022-08-08 |
| Oracle Linux version 8 (libguestfs-winsupport) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (libiscsi) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (libiscsi) | ELSA-2022-9700 | 2022-08-08 |
| Oracle Linux version 8 (libiscsi) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (libnbd) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (libnbd) | ELSA-2022-9700 | 2022-08-08 |
| Oracle Linux version 8 (libnbd) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (libtpms) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (libtpms) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (libvirt) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (libvirt) | ELSA-2022-9700 | 2022-08-08 |
| Oracle Linux version 8 (libvirt) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (libvirt-dbus) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (libvirt-dbus) | ELSA-2022-9700 | 2022-08-08 |
| Oracle Linux version 8 (libvirt-dbus) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (libvirt-python) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (libvirt-python) | ELSA-2022-9700 | 2022-08-08 |
| Oracle Linux version 8 (libvirt-python) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (nbdkit) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (nbdkit) | ELSA-2022-9700 | 2022-08-08 |
| Oracle Linux version 8 (nbdkit) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (netcf) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (netcf) | ELSA-2022-9700 | 2022-08-08 |
| Oracle Linux version 8 (netcf) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (perl-Sys-Virt) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (perl-Sys-Virt) | ELSA-2022-9700 | 2022-08-08 |
| Oracle Linux version 8 (perl-Sys-Virt) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (qemu-kvm) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (qemu-kvm) | ELSA-2022-9700 | 2022-08-08 |
| Oracle Linux version 8 (qemu-kvm) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (seabios) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (seabios) | ELSA-2022-9700 | 2022-08-08 |
| Oracle Linux version 8 (seabios) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (sgabios) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (sgabios) | ELSA-2022-9700 | 2022-08-08 |
| Oracle Linux version 8 (sgabios) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (supermin) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (supermin) | ELSA-2022-9700 | 2022-08-08 |
| Oracle Linux version 8 (supermin) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (swtpm) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (swtpm) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 8 (virt-v2v) | ELSA-2022-5821 | 2022-08-05 |
| Oracle Linux version 8 (virt-v2v) | ELSA-2022-9862 | 2022-10-13 |
| Oracle Linux version 9 (qemu-kvm) | ELSA-2022-9869 | 2022-10-10 |
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections:
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