Vulnerability Details : CVE-2020-12430
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.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2020-12430
Probability of exploitation activity in the next 30 days: 0.19%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 56 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-12430
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-12430
-
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-12430
-
https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=9bf9e0ae6af38c806f4672ca7b12a6b38d5a9581
libvirt / libvirt · GitLab
-
https://bugzilla.redhat.com/show_bug.cgi?id=1804548
1804548 – Possible memory leak when running domstats cmdIssue Tracking;Permissions Required;Vendor Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D5GE6ISYUL3CIWO3FQRUGMKTKP2NYED2/
[SECURITY] Fedora 31 Update: libvirt-5.6.0-7.fc31 - package-announce - Fedora Mailing-Lists
-
https://usn.ubuntu.com/4371-1/
USN-4371-1: libvirt vulnerabilities | Ubuntu security notices
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D5GE6ISYUL3CIWO3FQRUGMKTKP2NYED2/
[SECURITY] Fedora 31 Update: libvirt-5.6.0-7.fc31 - package-announce - Fedora Mailing-Lists
-
https://bugzilla.redhat.com/show_bug.cgi?id=1828190
1828190 – (CVE-2020-12430) CVE-2020-12430 libvirt: memory leak in domstats may allow read-only user to perform DoS attackIssue Tracking;Patch;Vendor Advisory
-
https://libvirt.org/git/?p=libvirt.git;a=commit;h=9bf9e0ae6af38c806f4672ca7b12a6b38d5a9581
libvirt.org Git - libvirt.git/commitPatch;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html
[SECURITY] [DLA 3778-1] libvirt security update
-
https://security.netapp.com/advisory/ntap-20200518-0003/
CVE-2020-12430 Libvirt Vulnerability in NetApp Products | NetApp Product Security
Products affected by CVE-2020-12430
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*
- cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*