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SUSE: 2022:3928-1 Important: Xen Denial of Service Security Advisory

suse
Calendar Grey November 10, 2022
Dist Suse Esm H88
An Ubuntu release tackles 30 significant vulnerabilities in QEMU, aiming to bolster security and improve overall system resilience.
An update that fixes 24 vulnerabilities is now available

Summary

This update for xen fixes the following issues: - CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing (bsc#1203806). - CVE-2022-33748: Fixed DoS due to race in locking (bsc#1203807). - CVE-2021-28689: Fixed speculative vulnerabilities with bare (non-shim) 32-bit PV guests (bsc#1185104). - CVE-2022-42311, CVE-2022-42312, CVE-2022-42313, CVE-2022-42314, CVE-2022-42315, CVE-2022-42316, CVE-2022-42317, CVE-2022-42318: xen: Xenstore: Guests can let xenstored run out of memory (bsc#1204482) - CVE-2022-42309: xen: Xenstore: Guests can crash xenstored (bsc#1204485) - CVE-2022-42310: xen: Xenstore: Guests can create orphaned Xenstore nodes (bsc#1204487) - CVE-2022-42319: xen: Xenstore: Guests can cause Xenstore to not free temporary memory (bsc#1204488)

Topics%20covered

Topics Covered

security advisory important system integrity Denial of Service SUSE security fixes xen

References

#1185104 #1193923 #1199966 #1200762 #1203806

#1203807 #1204482 #1204485 #1204487 #1204488

#1204489 #1204490 #1204494 #1204496

Cross- CVE-2021-28689 CVE-2022-26365 CVE-2022-33740

CVE-2022-33741 CVE-2022-33742 CVE-2022-33746

CVE-2022-33748 CVE-2022-42309 CVE-2022-42310

CVE-2022-42311 CVE-2022-42312 CVE-2022-42313

CVE-2022-42314 CVE-2022-42315 CVE-2022-42316

CVE-2022-42317 CVE-2022-42318 CVE-2022-42319

CVE-2022-42320 CVE-2022-42321 CVE-2022-42322

CVE-2022-42323 CVE-2022-42325 CVE-2022-42326

CVSS scores:

CVE-2021-28689 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVE-2021-28689 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVE-2022-26365 (NVD) : 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:3928-1
Rating: important

Topics%20covered

Topics Covered

security advisory important system integrity Denial of Service SUSE security fixes xen

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