Описание
Security update for xen
This update for xen fixes the following issues:
- CVE-2023-20588: Fixed AMD CPU transitional execution leak via division by zero (XSA-439) (bsc#1215474).
- CVE-2023-34322: Fixed top-level shadow reference dropped too early for 64-bit PV guests (XSA-438) (bsc#1215145).
- CVE-2023-20593: Fixed AMD Zenbleed (XSA-433) (bsc#1213616).
- CVE-2022-40982: Fixed Intel Gather Data Sampling (XSA-435) (bsc#1214083).
Список пакетов
Image SLES15-SP2-BYOS-Azure
Image SLES15-SP2-HPC-BYOS-Azure
Image SLES15-SP2-SAP-Azure
Image SLES15-SP2-SAP-Azure-LI-BYOS-Production
Image SLES15-SP2-SAP-Azure-VLI-BYOS-Production
Image SLES15-SP2-SAP-BYOS-Azure
Image SLES15-SP2-SAP-BYOS-EC2-HVM
Image SLES15-SP2-SAP-BYOS-GCE
Image SLES15-SP2-SAP-EC2-HVM
Image SLES15-SP2-SAP-GCE
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS
SUSE Linux Enterprise Server 15 SP2-LTSS
SUSE Linux Enterprise Server for SAP Applications 15 SP2
Ссылки
- Link for SUSE-SU-2023:3895-1
- E-Mail link for SUSE-SU-2023:3895-1
- SUSE Security Ratings
- SUSE Bug 1213616
- SUSE Bug 1214083
- SUSE Bug 1215145
- SUSE Bug 1215474
- SUSE CVE CVE-2022-40982 page
- SUSE CVE CVE-2023-20588 page
- SUSE CVE CVE-2023-20593 page
- SUSE CVE CVE-2023-34322 page
Описание
Information exposure through microarchitectural state after transient execution in certain vector execution units for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
Затронутые продукты
Ссылки
- CVE-2022-40982
- SUSE Bug 1206418
- SUSE Bug 1215674
Описание
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
Затронутые продукты
Ссылки
- CVE-2023-20588
- SUSE Bug 1213927
Описание
An issue in "Zen 2" CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.
Затронутые продукты
Ссылки
- CVE-2023-20593
- SUSE Bug 1213286
- SUSE Bug 1213616
- SUSE Bug 1215674
Описание
For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. Since Xen itself needs to be mapped when PV guests run, Xen and shadowed PV guests run directly the respective shadow page tables. For 64-bit PV guests this means running on the shadow of the guest root page table. In the course of dealing with shortage of memory in the shadow pool associated with a domain, shadows of page tables may be torn down. This tearing down may include the shadow root page table that the CPU in question is presently running on. While a precaution exists to supposedly prevent the tearing down of the underlying live page table, the time window covered by that precaution isn't large enough.
Затронутые продукты
Ссылки
- CVE-2023-34322
- SUSE Bug 1215145