Security update for xen

Announcement ID: SUSE-SU-2022:3925-1
Rating: important
References:
Cross-References:
CVSS scores:
  • 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-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-2022-33746 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-33746 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-33748 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-33748 ( NVD ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42309 ( SUSE ): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
  • CVE-2022-42309 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • CVE-2022-42310 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42310 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2022-42311 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42311 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42312 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42312 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42313 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42313 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42314 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42314 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42315 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42315 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42316 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42316 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42317 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42317 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42318 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42318 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42319 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42319 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42320 ( SUSE ): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
  • CVE-2022-42320 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-42321 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42321 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42322 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42322 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2022-42323 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42323 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2022-42325 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42325 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2022-42326 ( SUSE ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • CVE-2022-42326 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server 15 LTSS 15
  • SUSE Linux Enterprise Server ESPOS 15
  • SUSE Linux Enterprise Server for SAP Applications 15

An update that solves 20 vulnerabilities can now be installed.

Description:

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)
  • CVE-2022-42320: xen: Xenstore: Guests can get access to Xenstore nodes of deleted domains (bsc#1204489)
  • CVE-2022-42321: xen: Xenstore: Guests can crash xenstored via exhausting the stack (bsc#1204490)
  • CVE-2022-42322,CVE-2022-42323: xen: Xenstore: cooperating guests can create arbitrary numbers of nodes (bsc#1204494)
  • CVE-2022-42325,CVE-2022-42326: xen: Xenstore: Guests can create arbitrary number of nodes via transactions (bsc#1204496)
  • xen: Frontends vulnerable to backends (bsc#1193923)

Special Instructions and Notes:

  • Please reboot the system after installing this update.

Patch Instructions:

To install this SUSE 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 Linux Enterprise Server ESPOS 15
    zypper in -t patch SUSE-SLE-Product-HPC-15-2022-3925=1
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15
    zypper in -t patch SUSE-SLE-Product-HPC-15-2022-3925=1
  • SUSE Linux Enterprise Server 15 LTSS 15
    zypper in -t patch SUSE-SLE-Product-SLES-15-2022-3925=1
  • SUSE Linux Enterprise Server for SAP Applications 15
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2022-3925=1

Package List:

  • SUSE Linux Enterprise Server ESPOS 15 (x86_64)
    • xen-debugsource-4.10.4_40-150000.3.84.1
    • xen-tools-domU-debuginfo-4.10.4_40-150000.3.84.1
    • xen-tools-debuginfo-4.10.4_40-150000.3.84.1
    • xen-libs-4.10.4_40-150000.3.84.1
    • xen-tools-4.10.4_40-150000.3.84.1
    • xen-devel-4.10.4_40-150000.3.84.1
    • xen-tools-domU-4.10.4_40-150000.3.84.1
    • xen-libs-debuginfo-4.10.4_40-150000.3.84.1
    • xen-4.10.4_40-150000.3.84.1
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (x86_64)
    • xen-debugsource-4.10.4_40-150000.3.84.1
    • xen-tools-domU-debuginfo-4.10.4_40-150000.3.84.1
    • xen-tools-debuginfo-4.10.4_40-150000.3.84.1
    • xen-libs-4.10.4_40-150000.3.84.1
    • xen-tools-4.10.4_40-150000.3.84.1
    • xen-devel-4.10.4_40-150000.3.84.1
    • xen-tools-domU-4.10.4_40-150000.3.84.1
    • xen-libs-debuginfo-4.10.4_40-150000.3.84.1
    • xen-4.10.4_40-150000.3.84.1
  • SUSE Linux Enterprise Server 15 LTSS 15 (x86_64)
    • xen-debugsource-4.10.4_40-150000.3.84.1
    • xen-tools-domU-debuginfo-4.10.4_40-150000.3.84.1
    • xen-tools-debuginfo-4.10.4_40-150000.3.84.1
    • xen-libs-4.10.4_40-150000.3.84.1
    • xen-tools-4.10.4_40-150000.3.84.1
    • xen-devel-4.10.4_40-150000.3.84.1
    • xen-tools-domU-4.10.4_40-150000.3.84.1
    • xen-libs-debuginfo-4.10.4_40-150000.3.84.1
    • xen-4.10.4_40-150000.3.84.1
  • SUSE Linux Enterprise Server for SAP Applications 15 (x86_64)
    • xen-debugsource-4.10.4_40-150000.3.84.1
    • xen-tools-domU-debuginfo-4.10.4_40-150000.3.84.1
    • xen-tools-debuginfo-4.10.4_40-150000.3.84.1
    • xen-libs-4.10.4_40-150000.3.84.1
    • xen-tools-4.10.4_40-150000.3.84.1
    • xen-devel-4.10.4_40-150000.3.84.1
    • xen-tools-domU-4.10.4_40-150000.3.84.1
    • xen-libs-debuginfo-4.10.4_40-150000.3.84.1
    • xen-4.10.4_40-150000.3.84.1

References: