SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    SUSE-SU-2022:2574-1
Rating:             important
References:         #1199965 #1199966 #1200549 #1201394 #1201469 
                    
Cross-References:   CVE-2022-21123 CVE-2022-21125 CVE-2022-21166
                    CVE-2022-23816 CVE-2022-23825 CVE-2022-26362
                    CVE-2022-26363 CVE-2022-26364 CVE-2022-29900
                    CVE-2022-33745
CVSS scores:
                    CVE-2022-21123 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
                    CVE-2022-21123 (SUSE): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
                    CVE-2022-21125 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
                    CVE-2022-21125 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
                    CVE-2022-21166 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
                    CVE-2022-21166 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
                    CVE-2022-23816 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
                    CVE-2022-23825 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
                    CVE-2022-23825 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
                    CVE-2022-26362 (NVD) : 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-26362 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-26363 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-26363 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-26364 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-26364 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-29900 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
                    CVE-2022-29900 (SUSE): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
                    CVE-2022-33745 (SUSE): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected Products:
                    SUSE Linux Enterprise Server 12-SP3-BCL
______________________________________________________________________________

   An update that fixes 10 vulnerabilities is now available.

Description:

   This update for xen fixes the following issues:

   - CVE-2022-26363, CVE-2022-26364: Fixed insufficient care with
     non-coherent mappings (XSA-402) (bsc#1199966).
   - CVE-2022-21123, CVE-2022-21125, CVE-2022-21166: Fixed MMIO stale data
     vulnerabilities on x86 (XSA-404) (bsc#1200549).
   - CVE-2022-26362: Fixed a race condition in typeref acquisition (XSA-401)
     (bsc#1199965).
   - CVE-2022-33745: Fixed insufficient TLB flush for x86 PV guests in shadow
     mode (XSA-408) (bsc#1201394).
   - CVE-2022-23816, CVE-2022-23825, CVE-2022-29900: Fixed RETBLEED
     vulnerability, arbitrary speculative code execution with return
     instructions (XSA-407) (bsc#1201469).


Special Instructions and Notes:

   Please reboot the system after installing this update.

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 12-SP3-BCL:

      zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2022-2574=1



Package List:

   - SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):

      xen-4.9.4_30-3.106.1
      xen-debugsource-4.9.4_30-3.106.1
      xen-doc-html-4.9.4_30-3.106.1
      xen-libs-32bit-4.9.4_30-3.106.1
      xen-libs-4.9.4_30-3.106.1
      xen-libs-debuginfo-32bit-4.9.4_30-3.106.1
      xen-libs-debuginfo-4.9.4_30-3.106.1
      xen-tools-4.9.4_30-3.106.1
      xen-tools-debuginfo-4.9.4_30-3.106.1
      xen-tools-domU-4.9.4_30-3.106.1
      xen-tools-domU-debuginfo-4.9.4_30-3.106.1


References:

   https://www.suse.com/security/cve/CVE-2022-21123.html
   https://www.suse.com/security/cve/CVE-2022-21125.html
   https://www.suse.com/security/cve/CVE-2022-21166.html
   https://www.suse.com/security/cve/CVE-2022-23816.html
   https://www.suse.com/security/cve/CVE-2022-23825.html
   https://www.suse.com/security/cve/CVE-2022-26362.html
   https://www.suse.com/security/cve/CVE-2022-26363.html
   https://www.suse.com/security/cve/CVE-2022-26364.html
   https://www.suse.com/security/cve/CVE-2022-29900.html
   https://www.suse.com/security/cve/CVE-2022-33745.html
   https://bugzilla.suse.com/1199965
   https://bugzilla.suse.com/1199966
   https://bugzilla.suse.com/1200549
   https://bugzilla.suse.com/1201394
   https://bugzilla.suse.com/1201469

SUSE: 2022:2574-1 important: xen

July 28, 2022
An update that fixes 10 vulnerabilities is now available

Summary

This update for xen fixes the following issues: - CVE-2022-26363, CVE-2022-26364: Fixed insufficient care with non-coherent mappings (XSA-402) (bsc#1199966). - CVE-2022-21123, CVE-2022-21125, CVE-2022-21166: Fixed MMIO stale data vulnerabilities on x86 (XSA-404) (bsc#1200549). - CVE-2022-26362: Fixed a race condition in typeref acquisition (XSA-401) (bsc#1199965). - CVE-2022-33745: Fixed insufficient TLB flush for x86 PV guests in shadow mode (XSA-408) (bsc#1201394). - CVE-2022-23816, CVE-2022-23825, CVE-2022-29900: Fixed RETBLEED vulnerability, arbitrary speculative code execution with return instructions (XSA-407) (bsc#1201469).

References

#1199965 #1199966 #1200549 #1201394 #1201469

Cross- CVE-2022-21123 CVE-2022-21125 CVE-2022-21166

CVE-2022-23816 CVE-2022-23825 CVE-2022-26362

CVE-2022-26363 CVE-2022-26364 CVE-2022-29900

CVE-2022-33745

CVSS scores:

CVE-2022-21123 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVE-2022-21123 (SUSE): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

CVE-2022-21125 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVE-2022-21125 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

CVE-2022-21166 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVE-2022-21166 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVE-2022-23816 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

CVE-2022-23825 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

CVE-2022-23825 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

CVE-2022-26362 (NVD) : 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CVE-2022-26362 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-26363 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVE-2022-26363 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-26364 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVE-2022-26364 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-29900 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

CVE-2022-29900 (SUSE): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

CVE-2022-33745 (SUSE): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise Server 12-SP3-BCL

https://www.suse.com/security/cve/CVE-2022-21123.html

https://www.suse.com/security/cve/CVE-2022-21125.html

https://www.suse.com/security/cve/CVE-2022-21166.html

https://www.suse.com/security/cve/CVE-2022-23816.html

https://www.suse.com/security/cve/CVE-2022-23825.html

https://www.suse.com/security/cve/CVE-2022-26362.html

https://www.suse.com/security/cve/CVE-2022-26363.html

https://www.suse.com/security/cve/CVE-2022-26364.html

https://www.suse.com/security/cve/CVE-2022-29900.html

https://www.suse.com/security/cve/CVE-2022-33745.html

https://bugzilla.suse.com/1199965

https://bugzilla.suse.com/1199966

https://bugzilla.suse.com/1200549

https://bugzilla.suse.com/1201394

https://bugzilla.suse.com/1201469

Severity
Announcement ID: SUSE-SU-2022:2574-1
Rating: important

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