SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    SUSE-SU-2022:0342-1
Rating:             important
References:         #1194581 #1194588 
Cross-References:   CVE-2022-23034 CVE-2022-23035
CVSS scores:
                    CVE-2022-23034 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
                    CVE-2022-23034 (SUSE): 4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
                    CVE-2022-23035 (NVD) : 4.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2022-23035 (SUSE): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Affected Products:
                    SUSE Linux Enterprise Server 12-SP2-BCL
______________________________________________________________________________

   An update that fixes two vulnerabilities is now available.

Description:

   This update for xen fixes the following issues:

   - CVE-2022-23034: Fixed possible DoS by a PV guest Xen while unmapping a
     grant. (XSA-394) (bsc#1194581)
   - CVE-2022-23035: Fixed insufficient cleanup of passed-through device
     IRQs. (XSA-395) (bsc#1194588)


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-SP2-BCL:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2022-342=1



Package List:

   - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):

      xen-4.7.6_20-43.85.1
      xen-debugsource-4.7.6_20-43.85.1
      xen-doc-html-4.7.6_20-43.85.1
      xen-libs-32bit-4.7.6_20-43.85.1
      xen-libs-4.7.6_20-43.85.1
      xen-libs-debuginfo-32bit-4.7.6_20-43.85.1
      xen-libs-debuginfo-4.7.6_20-43.85.1
      xen-tools-4.7.6_20-43.85.1
      xen-tools-debuginfo-4.7.6_20-43.85.1
      xen-tools-domU-4.7.6_20-43.85.1
      xen-tools-domU-debuginfo-4.7.6_20-43.85.1


References:

   https://www.suse.com/security/cve/CVE-2022-23034.html
   https://www.suse.com/security/cve/CVE-2022-23035.html
   https://bugzilla.suse.com/1194581
   https://bugzilla.suse.com/1194588