CVE-2020-25653
spice-vdagent: UNIX domain socket peer PID retrieved via SO_PEERCRED is subject to race condition
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · November 3, 2020
Updated · June 27, 2026
Description
A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client connections. This flaw allows an unprivileged local guest user to become the active agent for spice-vdagentd, possibly resulting in a denial of service or information leakage from the host. The highest threat from this vulnerability is to confidentiality as well as system availability.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 6.4CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition