CVE-2021-20295
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- CVE-2021-20295
CVE Details
| Release Date: | 2022-04-01 | |
| Impact: | None | What is this? |
Description
It was discovered that the update for the virt:rhel module in the RHSA-2020:4676 (https://access.redhat.com/errata/RHSA-2020:4676) erratum released as part of Red Hat Enterprise Linux 8.3 failed to include the fix for the qemu-kvm component issue CVE-2020-10756, which was previously corrected in virt:rhel/qemu-kvm via erratum RHSA-2020:4059 (https://access.redhat.com/errata/RHSA-2020:4059). CVE-2021-20295 was assigned to that Red Hat specific security regression. For more details about the original security issue CVE-2020-10756, refer to bug 1835986 or the CVE page: https://access.redhat.com/security/cve/CVE-2020-10756.
See more information about CVE-2021-20295 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: | 6.5 |
| Vector String: | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
| Version: | 3.0 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | Low |
| User Interaction: | None |
| Scope: | Changed |
| Confidentiality Impact: | High |
| Integrity Impact: | None |
| Availability Impact: | None |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 8 (hivex) | ELSA-2021-1064 | 2021-04-09 |
| Oracle Linux version 8 (libguestfs) | ELSA-2021-1064 | 2021-04-09 |
| Oracle Linux version 8 (libguestfs-winsupport) | ELSA-2021-1064 | 2021-04-09 |
| Oracle Linux version 8 (libiscsi) | ELSA-2021-1064 | 2021-04-09 |
| Oracle Linux version 8 (libnbd) | ELSA-2021-1064 | 2021-04-09 |
| Oracle Linux version 8 (libvirt) | ELSA-2021-1064 | 2021-04-09 |
| Oracle Linux version 8 (libvirt-dbus) | ELSA-2021-1064 | 2021-04-09 |
| Oracle Linux version 8 (libvirt-python) | ELSA-2021-1064 | 2021-04-09 |
| Oracle Linux version 8 (nbdkit) | ELSA-2021-1064 | 2021-04-09 |
| Oracle Linux version 8 (netcf) | ELSA-2021-1064 | 2021-04-09 |
| Oracle Linux version 8 (perl-Sys-Virt) | ELSA-2021-1064 | 2021-04-09 |
| Oracle Linux version 8 (qemu-kvm) | ELSA-2021-1064 | 2021-04-09 |
| Oracle Linux version 8 (seabios) | ELSA-2021-1064 | 2021-04-09 |
| Oracle Linux version 8 (sgabios) | ELSA-2021-1064 | 2021-04-09 |
| Oracle Linux version 8 (supermin) | ELSA-2021-1064 | 2021-04-09 |
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