8.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.6 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:N/A:P
An update that solves 8 vulnerabilities and has one errata
is now available.
Description:
This update for xen fixes the following issues:
- CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing
(bsc#1203806).
- CVE-2022-33748: Fixed DoS due to race in locking (bsc#1203807).
- CVE-2022-26365: Fixed issue where Linux Block and Network PV device
frontends don't zero memory regions before sharing them with the
backend (bsc#1200762).
- CVE-2022-33740: Fixed issue where Linux Block and Network PV device
frontends don't zero memory regions before sharing them with the
backend (bsc#1200762).
- CVE-2022-33741: Fixed issue where data residing in the same 4K page as
data shared with a backend was being accessible by such backend
(bsc#1200762).
- CVE-2022-33742: Fixed issue where data residing in the same 4K page as
data shared with a backend was being accessible by such backend
(bsc#1200762).
- CVE-2022-33745: Fixed an insufficient TLB flush for x86 PV guests in
shadow mode (bsc#1201394).
- CVE-2021-28689: Fixed speculative vulnerabilities with bare (non-shim)
32-bit PV guests (bsc#1185104).
Bugfixes:
- Fixed logic error in built-in default of max_event_channels
(bsc#1167608, bsc#1201631).
- Fixed issue where dom0 fails to boot with constrained vcpus and nodes
(bsc#1197081).
- Included upstream bugfixes (bsc#1027519).
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-5.2-2022-3665=1
openSUSE Leap 15.3:
zypper in -t patch openSUSE-SLE-15.3-2022-3665=1
SUSE Linux Enterprise Module for Server Applications 15-SP3:
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2022-3665=1
SUSE Linux Enterprise Module for Basesystem 15-SP3:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2022-3665=1
SUSE Linux Enterprise Micro 5.2:
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2022-3665=1
SUSE Linux Enterprise Micro 5.1:
zypper in -t patch SUSE-SUSE-MicroOS-5.1-2022-3665=1
8.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.6 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:N/A:P