spice-vdagent: A race condition vulnerability was found in the way the spice-vdagentddaemon handled new client connections
CVE-2020-25653 is fixed in spice-vdagent on 1 platform, first by spice-vdagent 0.17.0-1ubuntu2.2, released November 2, 2020. It is not reported as exploited. Patch Radar priority: Routine.
A race condition vulnerability was found in the way the spice-vdagentddaemon handled new client connections. This flaw may allow an unprivilegedlocal guest user to become the active agent for spice-vdagentd, possiblyresulting in a denial of service or information leakage from the host. Thehighest threat from this vulnerability is to data confidentiality as wellas system availability. This flaw affects spice-vdagent versions 0.20 andprior.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| spice-vdagent · RHEL 8 | 0:0.20.0-3.el8 | RHSA-2021:1791 | May 18, 2021 |
| spice-vdagent · Ubuntu 18.04.6 LTS (bionic) | 0.17.0-1ubuntu2.2 | spice-vdagent 0.17.0-1ubuntu2.2 | Nov 2, 2020 |
| spice-vdagent · Ubuntu 20.04 LTS (focal) | 0.19.0-2ubuntu0.2 | spice-vdagent 0.19.0-2ubuntu0.2 | Nov 2, 2020 |
| spice-vdagent · Ubuntu 24.10 (oracular) | 0.20.0-1ubuntu0.1 | spice-vdagent 0.20.0-1ubuntu0.1 | Nov 3, 2020 |
| spice-vdagent · Ubuntu 25.04 (plucky) | 0.20.0-1ubuntu0.1 | spice-vdagent 0.20.0-1ubuntu0.1 | Nov 3, 2020 |
| spice-vdagent · ol 8 | 0:0.20.0-3.el8 | ELSA-2021-1791 | May 25, 2021 |
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