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Medium RLSA-2021:1791 4 CVEs

Moderate: spice-vdagent security and bug fix update

Published May 18, 2021 · Updated Feb 5, 2026

Summary

The spice-vdagent packages provide a SPICE agent for Linux guests.

Security Fix(es):

* spice-vdagent: possible file transfer DoS and information leak via active_xfers hash map (CVE-2020-25651)

* spice-vdagent: UNIX domain socket peer PID retrieved via SO_PEERCRED is subject to race condition (CVE-2020-25653)

* spice-vdagent: memory DoS via arbitrary entries in active_xfers hash table (CVE-2020-25650)

* spice-vdagent: possibility to exhaust file descriptors in vdagentd (CVE-2020-25652)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.4 Release Notes linked from the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 8 spice-vdagent 0:0.20.0-3.el8

Vulnerabilities 4

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1790904
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1824610
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1886345
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1886359
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1886366
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1886372