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Vulnerability · Published Apr 28, 2020 · Assigned by mitre

CVE-2020-12430

Medium 6.5

In plain English

A medium-severity security flaw in the libvirt package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.3% (higher than 83% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)2.3%top 16.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12libvirt6.4.0-2DEBIAN-CVE-2020-12430
Debian:13libvirt6.4.0-2DEBIAN-CVE-2020-12430
Debian:14libvirt6.4.0-2DEBIAN-CVE-2020-12430

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References