RHSA-2021:1791MediumCVSS 6.4

Red Hat Security Advisory: spice-vdagent security and bug fix update

Published
May 18, 2021
Last Modified
November 5, 2026

🔗 CVE IDs covered (4)

CVE-2020-25651 →CVE-2020-25652 →CVE-2020-25653 →CVE-2020-25650 →

📋 Description

CVE-2020-25650 — spice-vdagent: memory DoS via arbitrary entries in active_xfers hash table CVE-2020-25651 — spice-vdagent: possible file transfer DoS and information leak via active_xfers hash map CVE-2020-25652 — spice-vdagent: possibility to exhaust file descriptors in vdagentd CVE-2020-25653 — spice-vdagent: UNIX domain socket peer PID retrieved via SO_PEERCRED is subject to race condition

🎯 Affected products14

  • Red Hat Enterprise Linux AppStream (v. 8)
  • spice-vdagent-0:0.20.0-3.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • spice-vdagent-0:0.20.0-3.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • spice-vdagent-0:0.20.0-3.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • spice-vdagent-0:0.20.0-3.el8.src as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • spice-vdagent-0:0.20.0-3.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • spice-vdagent-debuginfo-0:0.20.0-3.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • spice-vdagent-debuginfo-0:0.20.0-3.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • spice-vdagent-debuginfo-0:0.20.0-3.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • spice-vdagent-debuginfo-0:0.20.0-3.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • spice-vdagent-debugsource-0:0.20.0-3.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • spice-vdagent-debugsource-0:0.20.0-3.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • spice-vdagent-debugsource-0:0.20.0-3.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • spice-vdagent-debugsource-0:0.20.0-3.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

🔗 References (10)