Security update for xen (important)

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).

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 Micro 5.2:

  zypper in -t patch openSUSE-Leap-Micro-5.2-2022-2599=1