openSUSE Security Update: Security update for xen ______________________________________________________________________________

Announcement ID: openSUSE-SU-2022:0940-1 Rating: important References: #1027519 #1191668 #1194267 #1196915 Cross-References: CVE-2021-26401 CVE-2022-0001 CVE-2022-0002

CVSS scores: CVE-2021-26401 (NVD) : 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2021-26401 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-0001 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-0001 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-0002 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-0002 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Affected Products: openSUSE Leap 15.3 ______________________________________________________________________________

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

Package List:

- openSUSE Leap 15.3 (aarch64 x86_64):

xen-4.14.4_02-150300.3.21.1 xen-debugsource-4.14.4_02-150300.3.21.1 xen-devel-4.14.4_02-150300.3.21.1 xen-doc-html-4.14.4_02-150300.3.21.1 xen-libs-4.14.4_02-150300.3.21.1 xen-libs-debuginfo-4.14.4_02-150300.3.21.1 xen-tools-4.14.4_02-150300.3.21.1 xen-tools-debuginfo-4.14.4_02-150300.3.21.1 xen-tools-domU-4.14.4_02-150300.3.21.1 xen-tools-domU-debuginfo-4.14.4_02-150300.3.21.1

- openSUSE Leap 15.3 (x86_64):

xen-libs-32bit-4.14.4_02-150300.3.21.1 xen-libs-32bit-debuginfo-4.14.4_02-150300.3.21.1

- openSUSE Leap 15.3 (noarch):

xen-tools-xendomains-wait-disk-4.14.4_02-150300.3.21.1

References:

https://www.suse.com/security/cve/CVE-2021-26401.html https://www.suse.com/security/cve/CVE-2022-0001.html https://www.suse.com/security/cve/CVE-2022-0002.html https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1191668 https://bugzilla.suse.com/1194267 https://bugzilla.suse.com/1196915