Security update for xen

Announcement ID: SUSE-SU-2022:14886-1
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 Server 11 SP4
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4

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 11 SP4 LTSS 11-SP4
    zypper in -t patch slessp4-xen-14886=1
  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-xen-14886=1

Package List:

  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (x86_64 i586)
    • xen-libs-4.4.4_52-61.70.1
    • xen-kmp-default-4.4.4_52_3.0.101_108.132-61.70.1
    • xen-tools-domU-4.4.4_52-61.70.1
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (i586)
    • xen-kmp-pae-4.4.4_52_3.0.101_108.132-61.70.1
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (x86_64)
    • xen-libs-32bit-4.4.4_52-61.70.1
    • xen-4.4.4_52-61.70.1
    • xen-tools-4.4.4_52-61.70.1
    • xen-doc-html-4.4.4_52-61.70.1
  • SUSE Linux Enterprise Server 11 SP4 (x86_64 i586)
    • xen-libs-4.4.4_52-61.70.1
    • xen-kmp-default-4.4.4_52_3.0.101_108.132-61.70.1
    • xen-tools-domU-4.4.4_52-61.70.1
  • SUSE Linux Enterprise Server 11 SP4 (i586)
    • xen-kmp-pae-4.4.4_52_3.0.101_108.132-61.70.1
  • SUSE Linux Enterprise Server 11 SP4 (x86_64)
    • xen-libs-32bit-4.4.4_52-61.70.1
    • xen-4.4.4_52-61.70.1
    • xen-tools-4.4.4_52-61.70.1
    • xen-doc-html-4.4.4_52-61.70.1

References: