| Name | CVE-2021-4147 |
| Description | A flaw was found in the libvirt libxl driver. A malicious guest could continuously reboot itself and cause libvirtd on the host to deadlock or crash, resulting in a denial of service condition. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3778-1 |
| Debian Bugs | 1002535 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libvirt (PTS) | jessie, jessie (lts) | 1.2.9-9+deb8u8 | vulnerable |
| stretch (security) | 3.0.0-4+deb9u5 | vulnerable | |
| stretch (lts), stretch | 3.0.0-4+deb9u6 | vulnerable | |
| buster (security), buster, buster (lts) | 5.0.0-4+deb10u2 | fixed | |
| bullseye | 7.0.0-3+deb11u3 | fixed | |
| bookworm | 9.0.0-4+deb12u2 | fixed | |
| sid, trixie | 10.9.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libvirt | source | buster | 5.0.0-4+deb10u2 | DLA-3778-1 | ||
| libvirt | source | bullseye | 7.0.0-3+deb11u3 | |||
| libvirt | source | (unstable) | 7.10.0-2 | 1002535 |
[stretch] - libvirt <no-dsa> (Minor issue)
https://bugzilla.redhat.com/show_bug.cgi?id=2034195
https://listman.redhat.com/archives/libvir-list/2021-November/msg00908.html
https://gitlab.com/libvirt/libvirt/-/commit/23b51d7b8ec885e97a9277cf0a6c2833db4636e8
https://gitlab.com/libvirt/libvirt/-/commit/a4e6fba069c0809b8b5dde5e9db62d2efd91b4a0
https://gitlab.com/libvirt/libvirt/-/commit/e4f7589a3ec285489618ca04c8c0230cc31f3d99
https://gitlab.com/libvirt/libvirt/-/commit/b9a5faea49b7412e26d7389af4c32fc2b3ee80e5
https://gitlab.com/libvirt/libvirt/-/commit/5c5df5310f72be4878a71ace47074c54e0d1a27d
https://gitlab.com/libvirt/libvirt/-/commit/a7a03324d86e111f81687b5315b8f296dde84340
[jessie] - libvirt <no-dsa> (Minor issue)