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SUSE 15-SP3: SUSE-SU-2021:3968-1 Moderate Xen Security Update Released

suse
Calendar Grey December 7, 2021
Dist Suse Esm H88
The latest xen update addresses various bugs and enhancements. Remember to restart your device post-installation to apply the newly installed updates.
An update that fixes 7 vulnerabilities is now available

Summary

This update for xen fixes the following issues: - CVE-2021-28702: Fixed PCI devices with RMRRs not deassigned correctly (XSA-386) (bsc#1191363). - CVE-2021-28704, CVE-2021-28707, CVE-2021-28708: Fixed PoD operations on misaligned GFNs (XSA-388) (bsc#1192557). - CVE-2021-28705, CVE-2021-28709: Fixed issues with partially successful P2M updates on x86 (XSA-389) (bsc#1192559). - CVE-2021-28706: Fixed guests may exceed their designated memory limit (XSA-385) (bsc#1192554). - Update to Xen 4.14.3 bug fix release (bsc#1027519).

Topics%20covered

Topics Covered

security advisory moderate security update SUSE Linux xen

References

#1027519 #1191363 #1192554 #1192557 #1192559

Cross- CVE-2021-28702 CVE-2021-28704 CVE-2021-28705

CVE-2021-28706 CVE-2021-28707 CVE-2021-28708

CVE-2021-28709

CVSS scores:

CVE-2021-28702 (NVD) : 7.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVE-2021-28704 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2021-28705 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-28705 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2021-28706 (NVD) : 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CVE-2021-28706 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2021-28707 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2021-28708 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Announcement ID: SUSE-SU-2021:3968-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate security update SUSE Linux xen

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