Security update for xen

Announcement ID: SUSE-SU-2022:0342-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2022-23034 ( SUSE ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • 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-2022-23035 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • 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
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP2
  • SUSE Linux Enterprise Server 12 SP2
  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2

An update that solves two vulnerabilities can now be installed.

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

Package List:

  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
    • xen-debugsource-4.7.6_20-43.85.1
    • xen-libs-4.7.6_20-43.85.1
    • xen-doc-html-4.7.6_20-43.85.1
    • xen-tools-domU-4.7.6_20-43.85.1
    • xen-4.7.6_20-43.85.1
    • xen-libs-32bit-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-domU-debuginfo-4.7.6_20-43.85.1
    • xen-tools-debuginfo-4.7.6_20-43.85.1
    • xen-tools-4.7.6_20-43.85.1

References: