| Name | CVE-2020-12430 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 959447 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libvirt (PTS) | buster | 5.0.0-4+deb10u1 | vulnerable |
| bullseye | 7.0.0-3 | fixed | |
| bookworm, sid | 9.0.0-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libvirt | source | experimental | 6.2.0-1 | |||
| libvirt | source | jessie | (not affected) | |||
| libvirt | source | stretch | (not affected) | |||
| libvirt | source | (unstable) | 6.4.0-2 | low | 959447 |
[buster] - libvirt <no-dsa> (Minor issue)
[stretch] - libvirt <not-affected> (Vulnerable code introduced later)
[jessie] - libvirt <not-affected> (Vulnerable code introduced later)
Fixed by: https://libvirt.org/git/?p=libvirt.git;a=commit;h=9bf9e0ae6af38c806f4672ca7b12a6b38d5a9581 (v6.1.0-rc1)
Introduced in: https://libvirt.org/git/?p=libvirt.git;a=commit;h=d1eac92784573559b6fd56836e33b215c89308e3 (v4.10.0-rc1)
https://bugzilla.redhat.com/show_bug.cgi?id=1804548
https://bugzilla.redhat.com/show_bug.cgi?id=1828190