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

Security update for xen (important)

2022-07-2900:00:00
lists.opensuse.org
42
xen
vulnerabilities
update
cve-2022-26363
cve-2022-26364
xsa-402
cve-2022-21123
cve-2022-21125
cve-2022-21166
mmio stale data
xsa-404
cve-2022-26362
typeref acquisition
xsa-401
cve-2022-33745
tlb flush
xsa-408
cve-2022-23816
cve-2022-23825
cve-2022-29900
retbleed vulnerability
arbitrary speculative code execution
xsa-407
reboot
suse
linux enterprise
patch
installation

EPSS

0.001

Percentile

46.7%

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 15.3:

    zypper in -t patch openSUSE-SLE-15.3-2022-2599=1

  • SUSE Linux Enterprise Module for Server Applications 15-SP3:

    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2022-2599=1

  • SUSE Linux Enterprise Module for Basesystem 15-SP3:

    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2022-2599=1

  • SUSE Linux Enterprise Micro 5.2:

    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2022-2599=1

  • SUSE Linux Enterprise Micro 5.1:

    zypper in -t patch SUSE-SUSE-MicroOS-5.1-2022-2599=1