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openSUSE: 2022:0333-1 Important: Xen DoS and Security Issues

opensuse
Calendar Grey February 4, 2022
Dist Opensuse Esm H88
This patch resolves several security flaws in Xen for openSUSE Leap 15.3, improving overall system integrity and robustness.
An update that fixes three vulnerabilities is now available

Description

This update for xen fixes the following issues:

- CVE-2022-23033: Fixed guest_physmap_remove_page not removing the p2m

mappings. (XSA-393) (bsc#1194576)

- CVE-2022-23034: Fixed possible DoS by a PV guest Xen while unmapping a

grant. (XSA-394) (bsc#1194581)

- CVE-2022-23035: Fixed insufficient cleanup of passed-through device

IRQs. (XSA-395) (bsc#1194588)

Special Instructions and Notes:

Please reboot the system after installing this update.

Topics%20covered

Topics Covered

security advisory security update DoS important threat mitigation xen openSUSE

Patch

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-15.3-2022-333=1

Package List

- openSUSE Leap 15.3 (aarch64 x86_64):

xen-4.14.3_06-150300.3.18.2

xen-debugsource-4.14.3_06-150300.3.18.2

xen-devel-4.14.3_06-150300.3.18.2

xen-doc-html-4.14.3_06-150300.3.18.2

xen-libs-4.14.3_06-150300.3.18.2

xen-libs-debuginfo-4.14.3_06-150300.3.18.2

xen-tools-4.14.3_06-150300.3.18.2

xen-tools-debuginfo-4.14.3_06-150300.3.18.2

xen-tools-domU-4.14.3_06-150300.3.18.2

xen-tools-domU-debuginfo-4.14.3_06-150300.3.18.2

- openSUSE Leap 15.3 (noarch):

xen-tools-xendomains-wait-disk-4.14.3_06-150300.3.18.2

- openSUSE Leap 15.3 (x86_64):

xen-libs-32bit-4.14.3_06-150300.3.18.2

xen-libs-32bit-debuginfo-4.14.3_06-150300.3.18.2

References

https://www.suse.com/security/cve/CVE-2022-23033.html

https://www.suse.com/security/cve/CVE-2022-23034.html

https://www.suse.com/security/cve/CVE-2022-23035.html

https://bugzilla.suse.com/1194576

https://bugzilla.suse.com/1194581

https://bugzilla.suse.com/1194588

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2022:0333-1
Rating: important
Affected Products: openSUSE Leap 15.3 .

Topics%20covered

Topics Covered

security advisory security update DoS important threat mitigation xen openSUSE

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