Vulnerability Description
An issue was discovered in qemuDomainGetStatsIOThread in qemu/qemu_driver.c in libvirt 4.10.0 though 6.x before 6.1.0. A memory leak was found in the virDomainListGetStats libvirt API that is responsible for retrieving domain statistics when managing QEMU guests. This flaw allows unprivileged users with a read-only connection to cause a memory leak in the domstats command, resulting in a potential denial of service.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Libvirt | >= 4.10.0, < 6.1.0 |
| Redhat | Enterprise Linux | 8.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1804548Issue TrackingPermissions RequiredVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1828190Issue TrackingPatchVendor Advisory
- https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=9bf9e0ae6af38c806f4672ca7b
- https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.netapp.com/advisory/ntap-20200518-0003/
- https://usn.ubuntu.com/4371-1/
- https://bugzilla.redhat.com/show_bug.cgi?id=1804548Issue TrackingPermissions RequiredVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1828190Issue TrackingPatchVendor Advisory
- https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=9bf9e0ae6af38c806f4672ca7b
- https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.netapp.com/advisory/ntap-20200518-0003/
- https://usn.ubuntu.com/4371-1/
FAQ
What is CVE-2020-12430?
CVE-2020-12430 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An issue was discovered in qemuDomainGetStatsIOThread in qemu/qemu_driver.c in libvirt 4.10.0 though 6.x before 6.1.0. A memory leak was found in the virDomainListGetStats libvirt API that is responsi...
How severe is CVE-2020-12430?
CVE-2020-12430 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-12430?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Libvirt, Redhat Enterprise Linux.