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SUSE-SU-2023:4476-1 Not scored

Security update for xen

This update for xen fixes the following issues: - CVE-2023-20588: AMD CPU transitional execution leak via division by zero (XSA-439) (bsc#1215474). - CVE-2023-34322: top-level shadow reference dropped too early for 64-bit PV guests (XSA-438) (bsc#1215145). - CVE-2023-34325: Multiple vulnerabilities in libfsimage disk handling (XSA-443) (bsc#1215747). - CVE-2023-34326: x86/AMD: missing IOMMU TLB flushing (XSA-442) (bsc#1215746). - CVE-2023-34327,CVE-2023-34328: x86/AMD: Debug Mask handling (XSA-444) (bsc#1215748). - CVE-2023-46835: x86/AMD: mismatch in IOMMU quarantine page table levels (XSA-445) (bsc#1216654). - CVE-2023-46836: x86: BTC/SRSO fixes not fully effective (XSA-446) (bsc#1216807). - Upstream bug fixes (bsc#1027519)

Exploit probability Not scored
Published November 17, 2023
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

SUSE:Linux Enterprise Micro 5.3 xen
SUSE:Linux Enterprise Micro 5.4 xen
SUSE:Linux Enterprise Module for Basesystem 15 SP4 xen
SUSE:Linux Enterprise Module for Server Applications 15 SP4 xen
openSUSE:Leap 15.4 xen
openSUSE:Leap Micro 5.3 xen
openSUSE:Leap Micro 5.4 xen

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2023:4476-1

This update for xen fixes the following issues: - CVE-2023-20588: AMD CPU transitional execution leak via division by zero (XSA-439) (bsc#1215474). - CVE-2023-34322: top-level shadow reference dropped too early for 64-bit PV guests (XSA-438) (bsc#1215145). - CVE-2023-34325: Multiple vulnerabilities in libfsimage disk handling (XSA-443) (bsc#1215747). - CVE-2023-34326: x86/AMD: missing IOMMU TLB flushing (XSA-442) (bsc#1215746). - CVE-2023-34327,CVE-2023-34328: x86/AMD: Debug Mask handling (XSA-444) (bsc#1215748). - CVE-2023-46835: x86/AMD: mismatch in IOMMU quarantine page table levels (XSA-445) (bsc#1216654). - CVE-2023-46836: x86: BTC/SRSO fixes not fully effective (XSA-446) (bsc#1216807). - Upstream bug fixes (bsc#1027519)

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05 / REFERENCES

Further evidence