CVE-2021-3409
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- CVE-2021-3409
CVE Details
| Release Date: | 2021-03-23 |
Description
The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective, thus making QEMU vulnerable to the out-of-bounds read/write access issues previously found in the SDHCI controller emulation code. This flaw allows a malicious privileged guest to crash the QEMU process on the host, resulting in a denial of service or potential code execution. QEMU up to (including) 5.2.0 is affected by this.
See more information about CVE-2021-3409 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: | 5.7 | Base Metrics: | AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L |
| Access Vector: | Local network | Attack Complexity: | Low |
| 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 7 (qemu) | ELSA-2021-9285 | 2021-06-06 |
| Oracle Linux version 8 (hivex) | ELSA-2021-9568 | 2021-12-01 |
| Oracle Linux version 8 (libguestfs) | ELSA-2021-9568 | 2021-12-01 |
| Oracle Linux version 8 (libguestfs-winsupport) | ELSA-2021-9568 | 2021-12-01 |
| Oracle Linux version 8 (libiscsi) | ELSA-2021-9568 | 2021-12-01 |
| Oracle Linux version 8 (libnbd) | ELSA-2021-9568 | 2021-12-01 |
| Oracle Linux version 8 (libvirt) | ELSA-2021-9568 | 2021-12-01 |
| Oracle Linux version 8 (libvirt-dbus) | ELSA-2021-9568 | 2021-12-01 |
| Oracle Linux version 8 (libvirt-python) | ELSA-2021-9568 | 2021-12-01 |
| Oracle Linux version 8 (nbdkit) | ELSA-2021-9568 | 2021-12-01 |
| Oracle Linux version 8 (netcf) | ELSA-2021-9568 | 2021-12-01 |
| Oracle Linux version 8 (perl-Sys-Virt) | ELSA-2021-9568 | 2021-12-01 |
| Oracle Linux version 8 (qemu-kvm) | ELSA-2021-9568 | 2021-12-01 |
| Oracle Linux version 8 (seabios) | ELSA-2021-9568 | 2021-12-01 |
| Oracle Linux version 8 (sgabios) | ELSA-2021-9568 | 2021-12-01 |
| Oracle Linux version 8 (supermin) | ELSA-2021-9568 | 2021-12-01 |
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