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HistoryJul 29, 2022 - 12:00 a.m.

Security update for xen (important)


0.001 Low




An update that fixes 10 vulnerabilities is now available.


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)
  • 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).

Fixed several upstream bugs (bsc#1027519).

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:

  • openSUSE Leap 15.4:

    zypper in -t patch openSUSE-SLE-15.4-2022-2597=1

  • SUSE Linux Enterprise Module for Server Applications 15-SP4:

    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP4-2022-2597=1

  • SUSE Linux Enterprise Module for Basesystem 15-SP4:

    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2022-2597=1