| Name | CVE-2020-25650 |
| Description | A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path `/run/spice-vdagentd/spice-vdagent-sock` could use this flaw to perform a memory denial of service for spice-vdagentd or even other processes in the VM system. The highest threat from this vulnerability is to system availability. This flaw affects spice-vdagent versions 0.20 and previous versions. |
| 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-2524-1 |
| Debian Bugs | 973769 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| spice-vdagent (PTS) | jessie | 0.15.0-1.2 | vulnerable |
| stretch (security), stretch (lts), stretch | 0.17.0-1+deb9u1 | fixed |
| buster | 0.18.0-1 | vulnerable |
| bullseye | 0.20.0-2 | fixed |
| bookworm | 0.22.1-3 | fixed |
| sid, trixie | 0.22.1-4 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - spice-vdagent <no-dsa> (Minor issue)
https://www.openwall.com/lists/oss-security/2020/11/04/1
https://gitlab.freedesktop.org/spice/linux/vd_agent/-/commit/1a8b93ca6ac0b690339ab7f0afc6fc45d198d332
https://gitlab.freedesktop.org/spice/linux/vd_agent/-/commit/9d35d8a86fb310fc1f29d428c0a96995948d2357