CVE-2022-0897
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- CVE-2022-0897
CVE Details
| Release Date: | 2022-03-25 |
Description
A flaw was found in the libvirt nwfilter driver. The virNWFilterObjListNumOfNWFilters method failed to acquire the driver->nwfilters mutex before iterating over virNWFilterObj instances. There was no protection to stop another thread from concurrently modifying the driver->nwfilters object. This flaw allows a malicious, unprivileged user to exploit this issue via libvirt's API virConnectNumOfNWFilters to crash the network filter management daemon (libvirtd/virtnwfilterd).
See more information about CVE-2022-0897 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: | 4.3 | Base Metrics: | AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| Access Vector: | Network | Attack Complexity: | Low |
| Privileges Required: | Low | User Interaction: | None |
| Scope: | Unchanged | Confidentiality Impact: | None |
| Integrity Impact: | None | Availability Impact: | Low |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (libvirt) | ELSA-2022-9433 | 2022-05-26 |
| Oracle Linux version 7 (libvirt-python) | ELSA-2022-9433 | 2022-05-26 |
| Oracle Linux version 8 (hivex) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (hivex) | ELSA-2022-9460 | 2022-06-06 |
| Oracle Linux version 8 (libguestfs) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (libguestfs) | ELSA-2022-9460 | 2022-06-06 |
| Oracle Linux version 8 (libguestfs-winsupport) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (libguestfs-winsupport) | ELSA-2022-9460 | 2022-06-06 |
| Oracle Linux version 8 (libiscsi) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (libiscsi) | ELSA-2022-9460 | 2022-06-06 |
| Oracle Linux version 8 (libnbd) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (libnbd) | ELSA-2022-9460 | 2022-06-06 |
| Oracle Linux version 8 (libtpms) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (libvirt) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (libvirt) | ELSA-2022-9460 | 2022-06-06 |
| Oracle Linux version 8 (libvirt-dbus) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (libvirt-dbus) | ELSA-2022-9460 | 2022-06-06 |
| Oracle Linux version 8 (libvirt-python) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (libvirt-python) | ELSA-2022-9460 | 2022-06-06 |
| Oracle Linux version 8 (nbdkit) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (nbdkit) | ELSA-2022-9460 | 2022-06-06 |
| Oracle Linux version 8 (netcf) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (netcf) | ELSA-2022-9460 | 2022-06-06 |
| Oracle Linux version 8 (perl-Sys-Virt) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (perl-Sys-Virt) | ELSA-2022-9460 | 2022-06-06 |
| Oracle Linux version 8 (qemu-kvm) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (qemu-kvm) | ELSA-2022-9460 | 2022-06-06 |
| Oracle Linux version 8 (seabios) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (seabios) | ELSA-2022-9460 | 2022-06-06 |
| Oracle Linux version 8 (sgabios) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (sgabios) | ELSA-2022-9460 | 2022-06-06 |
| Oracle Linux version 8 (supermin) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (supermin) | ELSA-2022-9460 | 2022-06-06 |
| Oracle Linux version 8 (swtpm) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 8 (virt-v2v) | ELSA-2022-7472 | 2022-11-15 |
| Oracle Linux version 9 (libvirt) | ELSA-2022-8003 | 2022-11-22 |
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