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SUSE Linux: 2021:2803-1 Moderate: spice-vdagent Memory DoS and More

suse
Calendar Grey August 20, 2021
Dist Suse Esm H88
Modifications for spice-vdagent resolve a variety of concerns. Confirm that all systems are fortified with advised updates.
An update that fixes four vulnerabilities is now available

Summary

This update for spice-vdagent fixes the following issues: - CVE-2020-25650: memory DoS via arbitrary entries in `active_xfers` hash table (bsc#1177780) - CVE-2020-25651: possible file transfer DoS and information leak via `active_xfers` hash map (bsc#1177781) - CVE-2020-25652: possibility to exhaust file descriptors in `vdagentd` (bsc#1177782) - CVE-2020-25653: UNIX domain socket peer PID retrieved via `SO_PEERCRED` is subject to race condition (bsc#1177783) Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Manager Server 4.0: zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.0-2021-2803=1

Topics%20covered

Topics Covered

security advisory moderate DoS memory issue SUSE patch instructions spice-vdagent

References

#1177780 #1177781 #1177782 #1177783

Cross- CVE-2020-25650 CVE-2020-25651 CVE-2020-25652

CVE-2020-25653

CVSS scores:

CVE-2020-25650 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2020-25650 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2020-25651 (NVD) : 6.4 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L

CVE-2020-25651 (SUSE): 6.4 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:H

CVE-2020-25652 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2020-25652 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2020-25653 (SUSE): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Products:

SUSE Manager Server 4.0

SUSE Manager Retail Branch Server 4.0

SUSE Manager Proxy 4.0

Announcement ID: SUSE-SU-2021:2803-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate DoS memory issue SUSE patch instructions spice-vdagent

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