CVE-2022-0358
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- CVE-2022-0358
CVE Details
| Release Date: | 2022-08-29 |
Description
A flaw was found in the QEMU virtio-fs shared file system daemon (virtiofsd) implementation. This flaw is strictly related to CVE-2018-13405. A local guest user can create files in the directories shared by virtio-fs with unintended group ownership in a scenario where a directory is SGID to a certain group and is writable by a user who is not a member of the group. This could allow a malicious unprivileged user inside the guest to gain access to resources accessible to the root group, potentially escalating their privileges within the guest. A malicious local user in the host might also leverage this unexpected executable file created by the guest to escalate their privileges on the host system.
See more information about CVE-2022-0358 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: | 7.8 | Base Metrics: | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Access Vector: | Local network | Attack Complexity: | Low |
| Privileges Required: | Low | User Interaction: | None |
| Scope: | Unchanged | Confidentiality Impact: | High |
| Integrity Impact: | High | Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 8 (hivex) | ELSA-2022-0886 | 2022-03-16 |
| Oracle Linux version 8 (libguestfs) | ELSA-2022-0886 | 2022-03-16 |
| Oracle Linux version 8 (libguestfs-winsupport) | ELSA-2022-0886 | 2022-03-16 |
| Oracle Linux version 8 (libiscsi) | ELSA-2022-0886 | 2022-03-16 |
| Oracle Linux version 8 (libnbd) | ELSA-2022-0886 | 2022-03-16 |
| Oracle Linux version 8 (libvirt) | ELSA-2022-0886 | 2022-03-16 |
| Oracle Linux version 8 (libvirt-dbus) | ELSA-2022-0886 | 2022-03-16 |
| Oracle Linux version 8 (libvirt-python) | ELSA-2022-0886 | 2022-03-16 |
| Oracle Linux version 8 (nbdkit) | ELSA-2022-0886 | 2022-03-16 |
| Oracle Linux version 8 (netcf) | ELSA-2022-0886 | 2022-03-16 |
| Oracle Linux version 8 (perl-Sys-Virt) | ELSA-2022-0886 | 2022-03-16 |
| Oracle Linux version 8 (qemu-kvm) | ELSA-2022-0886 | 2022-03-16 |
| Oracle Linux version 8 (seabios) | ELSA-2022-0886 | 2022-03-16 |
| Oracle Linux version 8 (sgabios) | ELSA-2022-0886 | 2022-03-16 |
| Oracle Linux version 8 (supermin) | ELSA-2022-0886 | 2022-03-16 |
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