Security update for xen (important)

An update that solves three vulnerabilities and has one
errata is now available.

Description:

This update for xen fixes the following issues:

Update Xen to version 4.14.4 (bsc#1027519)

Transient execution side-channel attacks attacking the Branch History
Buffer (BHB), named “Branch Target Injection” and “Intra-Mode Branch
History Injection” are now mitigated.

Security issues fixed:

• CVE-2022-0001, CVE-2022-0002, CVE-2021-26401: BHB speculation issues
  (bsc#1196915).

Non-security issues fixed:

• Fixed issue around xl and virsh operation - virsh list not giving any
  output (bsc#1191668).

Special Instructions and Notes:

Please reboot the system after installing this update.

Patch Instructions:

To install this openSUSE 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 15.3:

  zypper in -t patch openSUSE-SLE-15.3-2022-940=1