Security update for xen (important)

2021-09-0200:00:00

lists.opensuse.org

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:N/I:N/A:C

JSON

An update that solves 11 vulnerabilities and has 7 fixes is
now available.

Description:

This update for xen fixes the following issues:

Update to Xen 4.13.3 general bug fix release (bsc#1027519).

Security issues fixed:

CVE-2021-28693: xen/arm: Boot modules are not scrubbed (bsc#1186428)
CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection /
handling (bsc#1186429)
CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433)
CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after
S3 (bsc#1186434)
CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues
on x86 (XSA-378)(bsc#1189373).
CVE-2021-28697: grant table v2 status pages may remain accessible after
de-allocation (XSA-379)(bsc#1189376).
CVE-2021-28698: long running loops in grant table handling
(XSA-380)(bsc#1189378).
CVE-2021-28699: inadequate grant-v2 status frames array bounds check
(XSA-382)(bsc#1189380).
CVE-2021-28700: No memory limit for dom0less domUs
(XSA-383)(bsc#1189381).

Other issues fixed:

Fixed “Panic on CPU 0: IO-APIC + timer doesn’t work!” (bsc#1180491)
Fixed an issue with xencommons, where file format expecations by fillup
did not allign (bsc#1185682)
Fixed shell macro expansion in the spec file, so that ExecStart= in
xendomains-wait-disks.service is created correctly (bsc#1183877)
Upstream bug fixes (bsc#1027519)
Fixed Xen SLES11SP4 guest hangs on cluster (bsc#1188050).
xl monitoring process exits during xl save -p|-c keep the monitoring
process running to cleanup the domU during shutdown (bsc#1176189).
Dom0 hangs when pinning CPUs for dom0 with HVM guest (bsc#1179246).
Some long deprecated commands were finally removed in qemu6. Adjust
libxl to use supported commands (bsc#1183243).
Update logrotate.conf, move global options into per-file sections to
prevent globbering of global state (bsc#1187406).
Prevent superpage allocation in the LAPIC and ACPI_INFO range
(bsc#1189882).

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-15.3-2021-2923=1

OSVersionArchitecturePackageVersionFilename
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openSUSE Leap15.3x86_64< - openSUSE Leap 15.3 (aarch64 x86_64):- openSUSE Leap 15.3 (aarch64 x86_64):.x86_64.rpm
openSUSE Leap15.3noarch< - openSUSE Leap 15.3 (noarch):- openSUSE Leap 15.3 (noarch):.noarch.rpm
openSUSE Leap15.3x86_64< - openSUSE Leap 15.3 (x86_64):- openSUSE Leap 15.3 (x86_64):.x86_64.rpm

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openSUSE Leap	15.3	aarch64	< - openSUSE Leap 15.3 (aarch64 x86_64):	- openSUSE Leap 15.3 (aarch64 x86_64):.aarch64.rpm
openSUSE Leap	15.3	x86_64	< - openSUSE Leap 15.3 (aarch64 x86_64):	- openSUSE Leap 15.3 (aarch64 x86_64):.x86_64.rpm
openSUSE Leap	15.3	noarch	< - openSUSE Leap 15.3 (noarch):	- openSUSE Leap 15.3 (noarch):.noarch.rpm
openSUSE Leap	15.3	x86_64	< - openSUSE Leap 15.3 (x86_64):	- openSUSE Leap 15.3 (x86_64):.x86_64.rpm