Sicherheit: Mehrere Probleme in xen

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SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID: SUSE-SU-2022:3928-1
Rating: important
References: #1185104 #1193923 #1199966 #1200762 #1203806
#1203807 #1204482 #1204485 #1204487 #1204488
#1204489 #1204490 #1204494 #1204496
Cross-References: 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
CVE-2022-26365 (SUSE): 6.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
CVE-2022-33740 (NVD) : 7.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVE-2022-33740 (SUSE): 6.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
CVE-2022-33741 (NVD) : 7.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVE-2022-33741 (SUSE): 6.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
CVE-2022-33742 (NVD) : 7.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVE-2022-33742 (SUSE): 6.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/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-2022-33746 (SUSE): 5.3
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
CVE-2022-33748 (NVD) : 5.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
CVE-2022-33748 (SUSE): 5.3
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
CVE-2022-42309 (NVD) : 8.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVE-2022-42309 (SUSE): 7.5
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVE-2022-42310 (NVD) : 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2022-42310 (SUSE): 6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CVE-2022-42311 (NVD) : 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2022-42311 (SUSE): 6
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-2022-42312 (SUSE): 6
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-2022-42313 (SUSE): 6
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-2022-42314 (SUSE): 6
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-2022-42315 (SUSE): 6
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-2022-42316 (SUSE): 6
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-2022-42317 (SUSE): 6
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-2022-42318 (SUSE): 6
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-2022-42319 (SUSE): 6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CVE-2022-42320 (NVD) : 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/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-2022-42321 (NVD) : 6.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CVE-2022-42321 (SUSE): 6
CVSS:3.1/AV:L/AC:L/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-2022-42322 (SUSE): 5.3
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
CVE-2022-42323 (NVD) : 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2022-42323 (SUSE): 5.3
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
CVE-2022-42325 (NVD) : 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2022-42325 (SUSE): 6
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
CVE-2022-42326 (SUSE): 6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Affected Products:
SUSE CaaS Platform 4.0
SUSE Enterprise Storage 6
SUSE Linux Enterprise High Performance Computing
15-SP1-ESPOS
SUSE Linux Enterprise High Performance Computing
15-SP1-LTSS
SUSE Linux Enterprise Server 15-SP1-BCL
SUSE Linux Enterprise Server 15-SP1-LTSS
SUSE Linux Enterprise Server for SAP 15-SP1
______________________________________________________________________________

An update that fixes 24 vulnerabilities is now available.

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 arbitray
number of nodes via transactions (bsc#1204496)
- CVE-2022-26363,CVE-2022-26364: xen: Insufficient care with non-coherent
mappings (bsc#1199966).
- CVE-2022-26365,CVE-2022-33740,CVE-2022-33741,CVE-2022-33742: xen: Linux
disk/nic frontends data leaks (bsc#1200762).
- xen: Frontends vulnerable to backends (bsc#1193923).

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 Linux Enterprise Server for SAP 15-SP1:

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2022-3928=1

- SUSE Linux Enterprise Server 15-SP1-LTSS:

zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2022-3928=1

- SUSE Linux Enterprise Server 15-SP1-BCL:

zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2022-3928=1

- SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:

zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2022-3928=1

- SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:

zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2022-3928=1

- SUSE Enterprise Storage 6:

zypper in -t patch SUSE-Storage-6-2022-3928=1

- SUSE CaaS Platform 4.0:

To install this update, use the SUSE CaaS Platform 'skuba' tool.
It
will inform you if it detects new updates and let you then trigger
updating of the complete cluster in a controlled way.

Package List:

- SUSE Linux Enterprise Server for SAP 15-SP1 (x86_64):

xen-4.12.4_30-150100.3.80.1
xen-debugsource-4.12.4_30-150100.3.80.1
xen-devel-4.12.4_30-150100.3.80.1
xen-libs-4.12.4_30-150100.3.80.1
xen-libs-debuginfo-4.12.4_30-150100.3.80.1
xen-tools-4.12.4_30-150100.3.80.1
xen-tools-debuginfo-4.12.4_30-150100.3.80.1
xen-tools-domU-4.12.4_30-150100.3.80.1
xen-tools-domU-debuginfo-4.12.4_30-150100.3.80.1

- SUSE Linux Enterprise Server 15-SP1-LTSS (x86_64):

xen-4.12.4_30-150100.3.80.1
xen-debugsource-4.12.4_30-150100.3.80.1
xen-devel-4.12.4_30-150100.3.80.1
xen-libs-4.12.4_30-150100.3.80.1
xen-libs-debuginfo-4.12.4_30-150100.3.80.1
xen-tools-4.12.4_30-150100.3.80.1
xen-tools-debuginfo-4.12.4_30-150100.3.80.1
xen-tools-domU-4.12.4_30-150100.3.80.1
xen-tools-domU-debuginfo-4.12.4_30-150100.3.80.1

- SUSE Linux Enterprise Server 15-SP1-BCL (x86_64):

xen-4.12.4_30-150100.3.80.1
xen-debugsource-4.12.4_30-150100.3.80.1
xen-devel-4.12.4_30-150100.3.80.1
xen-libs-4.12.4_30-150100.3.80.1
xen-libs-debuginfo-4.12.4_30-150100.3.80.1
xen-tools-4.12.4_30-150100.3.80.1
xen-tools-debuginfo-4.12.4_30-150100.3.80.1
xen-tools-domU-4.12.4_30-150100.3.80.1
xen-tools-domU-debuginfo-4.12.4_30-150100.3.80.1

- SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (x86_64):

xen-4.12.4_30-150100.3.80.1
xen-debugsource-4.12.4_30-150100.3.80.1
xen-devel-4.12.4_30-150100.3.80.1
xen-libs-4.12.4_30-150100.3.80.1
xen-libs-debuginfo-4.12.4_30-150100.3.80.1
xen-tools-4.12.4_30-150100.3.80.1
xen-tools-debuginfo-4.12.4_30-150100.3.80.1
xen-tools-domU-4.12.4_30-150100.3.80.1
xen-tools-domU-debuginfo-4.12.4_30-150100.3.80.1

- SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (x86_64):

xen-4.12.4_30-150100.3.80.1
xen-debugsource-4.12.4_30-150100.3.80.1
xen-devel-4.12.4_30-150100.3.80.1
xen-libs-4.12.4_30-150100.3.80.1
xen-libs-debuginfo-4.12.4_30-150100.3.80.1
xen-tools-4.12.4_30-150100.3.80.1
xen-tools-debuginfo-4.12.4_30-150100.3.80.1
xen-tools-domU-4.12.4_30-150100.3.80.1
xen-tools-domU-debuginfo-4.12.4_30-150100.3.80.1

- SUSE Enterprise Storage 6 (x86_64):

xen-4.12.4_30-150100.3.80.1
xen-debugsource-4.12.4_30-150100.3.80.1
xen-devel-4.12.4_30-150100.3.80.1
xen-libs-4.12.4_30-150100.3.80.1
xen-libs-debuginfo-4.12.4_30-150100.3.80.1
xen-tools-4.12.4_30-150100.3.80.1
xen-tools-debuginfo-4.12.4_30-150100.3.80.1
xen-tools-domU-4.12.4_30-150100.3.80.1
xen-tools-domU-debuginfo-4.12.4_30-150100.3.80.1

- SUSE CaaS Platform 4.0 (x86_64):

xen-4.12.4_30-150100.3.80.1
xen-debugsource-4.12.4_30-150100.3.80.1
xen-devel-4.12.4_30-150100.3.80.1
xen-libs-4.12.4_30-150100.3.80.1
xen-libs-debuginfo-4.12.4_30-150100.3.80.1
xen-tools-4.12.4_30-150100.3.80.1
xen-tools-debuginfo-4.12.4_30-150100.3.80.1
xen-tools-domU-4.12.4_30-150100.3.80.1
xen-tools-domU-debuginfo-4.12.4_30-150100.3.80.1

References:

https://www.suse.com/security/cve/CVE-2021-28689.html
https://www.suse.com/security/cve/CVE-2022-26365.html
https://www.suse.com/security/cve/CVE-2022-33740.html
https://www.suse.com/security/cve/CVE-2022-33741.html
https://www.suse.com/security/cve/CVE-2022-33742.html
https://www.suse.com/security/cve/CVE-2022-33746.html
https://www.suse.com/security/cve/CVE-2022-33748.html
https://www.suse.com/security/cve/CVE-2022-42309.html
https://www.suse.com/security/cve/CVE-2022-42310.html
https://www.suse.com/security/cve/CVE-2022-42311.html
https://www.suse.com/security/cve/CVE-2022-42312.html
https://www.suse.com/security/cve/CVE-2022-42313.html
https://www.suse.com/security/cve/CVE-2022-42314.html
https://www.suse.com/security/cve/CVE-2022-42315.html
https://www.suse.com/security/cve/CVE-2022-42316.html
https://www.suse.com/security/cve/CVE-2022-42317.html
https://www.suse.com/security/cve/CVE-2022-42318.html
https://www.suse.com/security/cve/CVE-2022-42319.html
https://www.suse.com/security/cve/CVE-2022-42320.html
https://www.suse.com/security/cve/CVE-2022-42321.html
https://www.suse.com/security/cve/CVE-2022-42322.html
https://www.suse.com/security/cve/CVE-2022-42323.html
https://www.suse.com/security/cve/CVE-2022-42325.html
https://www.suse.com/security/cve/CVE-2022-42326.html
https://bugzilla.suse.com/1185104
https://bugzilla.suse.com/1193923
https://bugzilla.suse.com/1199966
https://bugzilla.suse.com/1200762
https://bugzilla.suse.com/1203806
https://bugzilla.suse.com/1203807
https://bugzilla.suse.com/1204482
https://bugzilla.suse.com/1204485
https://bugzilla.suse.com/1204487
https://bugzilla.suse.com/1204488
https://bugzilla.suse.com/1204489
https://bugzilla.suse.com/1204490
https://bugzilla.suse.com/1204494
https://bugzilla.suse.com/1204496