CVE-2020-25650

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.

• CWE-770
• CWE-770

• https://bugzilla.redhat.com/show_bug.cgi?id=1886345Issue Tracking, Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2021/01/msg00012.htmlMailing List, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GQT56LATVTB2DJOVVJOKQVMVUXYCT2VB/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIWJ2EIQXWEA2VDBODEATHAT37X4CREP/
• https://www.openwall.com/lists/oss-security/2020/11/04/1Exploit, Mailing List, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1886345Issue Tracking, Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2021/01/msg00012.htmlMailing List, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GQT56LATVTB2DJOVVJOKQVMVUXYCT2VB/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIWJ2EIQXWEA2VDBODEATHAT37X4CREP/
• https://www.openwall.com/lists/oss-security/2020/11/04/1Exploit, Mailing List, Third Party Advisory

Published

Nov 25, 2020

Last Modified

Jun 17, 2026

Status

Modified

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