SUSE-SU-2024:0268-1

Опубликовано: 30 янв. 2024

Источник: suse-cvrf

Описание

Security update for xen

This update for xen fixes the following issues:

CVE-2023-46839: Fixed phantom functions assigned to incorrect contexts (XSA-449) (bsc#1218851)

Список пакетов

Image SLES15-SP4-BYOS

xen-libs-4.16.5_12-150400.4.46.1

Image SLES15-SP4-BYOS-Azure

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Ссылки

https://www.suse.com/support/update/announcement/2024/suse-su-20240268-1/
Link for SUSE-SU-2024:0268-1
https://lists.suse.com/pipermail/sle-security-updates/2024-January/017812.html
E-Mail link for SUSE-SU-2024:0268-1
https://www.suse.com/support/security/rating/
SUSE Security Ratings
https://bugzilla.suse.com/1218851
SUSE Bug 1218851
https://www.suse.com/security/cve/CVE-2023-46839/
SUSE CVE CVE-2023-46839 page

Описание

PCI devices can make use of a functionality called phantom functions, that when enabled allows the device to generate requests using the IDs of functions that are otherwise unpopulated. This allows a device to extend the number of outstanding requests. Such phantom functions need an IOMMU context setup, but failure to setup the context is not fatal when the device is assigned. Not failing device assignment when such failure happens can lead to the primary device being assigned to a guest, while some of the phantom functions are assigned to a different domain.

Затронутые продукты

Image SLES15-SP4-BYOS-Azure:xen-libs-4.16.5_12-150400.4.46.1

Image SLES15-SP4-BYOS-EC2:xen-libs-4.16.5_12-150400.4.46.1

Image SLES15-SP4-BYOS-EC2:xen-tools-domU-4.16.5_12-150400.4.46.1

Image SLES15-SP4-BYOS-GCE:xen-libs-4.16.5_12-150400.4.46.1

Ссылки

https://www.suse.com/security/cve/CVE-2023-46839.html
CVE-2023-46839
https://bugzilla.suse.com/1218851
SUSE Bug 1218851