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spice-vdagent: memory DoS via arbitrary entries in active_xfers hash table

🗓️ 18 May 2021 14:16:23Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Unprivileged local user can trigger memory denial of service in spice-vdagentd via the active transfers mechanism and socket.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64spice-vdagent0.20.0-3.el8spice-vdagent-0.20.0-3.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lespice-vdagent0.20.0-3.el8spice-vdagent-0.20.0-3.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xspice-vdagent0.20.0-3.el8spice-vdagent-0.20.0-3.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64spice-vdagent0.20.0-3.el8spice-vdagent-0.20.0-3.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64spice-vdagent-debuginfo0.20.0-3.el8spice-vdagent-debuginfo-0.20.0-3.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lespice-vdagent-debuginfo0.20.0-3.el8spice-vdagent-debuginfo-0.20.0-3.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xspice-vdagent-debuginfo0.20.0-3.el8spice-vdagent-debuginfo-0.20.0-3.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64spice-vdagent-debuginfo0.20.0-3.el8spice-vdagent-debuginfo-0.20.0-3.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64spice-vdagent-debugsource0.20.0-3.el8spice-vdagent-debugsource-0.20.0-3.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lespice-vdagent-debugsource0.20.0-3.el8spice-vdagent-debugsource-0.20.0-3.el8.ppc64le.rpm
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26 Jun 2026 21:45Current
5.8Medium risk
Vulners AI Score5.8
CVSS 22.1
CVSS 3.15.5
EPSS0.0049
4