Description
libvirt 1.0.2 and earlier sets the group owner to kvm for device files, which allows local users to write to these files via unspecified vectors.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libvirt | 0.9.12-8 | — |
| Debian 13 | libvirt | 0.9.12-8 | — |
| Debian 12 | libvirt | 0.9.12-8 | — |
| Debian 6.0 | libvirt | 0.8.3-5+squeeze4 | DSA-2650-1 |
Advisories 1
- DSA-2650-1 libvirt - files and device nodes ownership change to kvm group Debian Security (DSA / DLA) · Mar 9, 2026