SUSE-SU-2026:0908-1 Security update for xen

This update for xen fixes the following issues: - CVE-2026-23554: xen: Use after free of paging structures in EPT bsc1259247, XSA-480 - CVE-2026-23555: xen: Xenstored DoS by unprivileged domain bsc1259248, XSA-481...

Use after free of paging structures in EPT

ISSUE DESCRIPTION The Intel EPT paging code uses an optimization to defer flushing of any cached EPT state until the p2m lock is dropped, so that multiple modifications done under the same locked region only issue a single flush. Freeing of paging structures however is not deferred until the...

SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2026:0589-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0589-1 advisory. - CVE-2025-58150: buffer overrun with shadow paging + tracing XSA-477 bsc1256745. - CVE-2026-23553: incomplete...

Security update for xen

This update for xen fixes the following issues: CVE-2025-58150: buffer overrun with shadow paging + tracing XSA-477 bsc1256745. CVE-2026-23553: incomplete IBPB for vCPU isolation XSA-479 bsc1256747. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like...

SUSE-SU-2026:0589-1 Security update for xen

This update for xen fixes the following issues: - CVE-2025-58150: buffer overrun with shadow paging + tracing XSA-477 bsc1256745. - CVE-2026-23553: incomplete IBPB for vCPU isolation XSA-479 bsc1256747...

CVE-2025-29939

Improper access control in secure encrypted virtualization SEV could allow a privileged attacker to write to the reverse map page RMP during secure nested paging SNP initialization, potentially resulting in a loss of guest memory confidentiality and integrity...

CVE-2025-48514

Insufficient Granularity of Access Control in SEV firmware can allow a privileged attacker to create a SEV-ES Guest to attack SNP guest, potentially resulting in a loss of confidentiality...

Fedora 42 : xen (2026-e39149a8a0)

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-e39149a8a0 advisory. x86: buffer overrun with shadow paging + tracing XSA-477, CVE-2025-58150 x86: incomplete IBPB for vCPU isolation XSA-479, CVE-2026-23553 Tenable has...

CVE-2025-71202

In the Linux kernel, the following vulnerability has been resolved: iommu/sva: invalidate stale IOTLB entries for kernel address space Introduce a new IOMMU interface to flush IOTLB paging cache entries for the CPU kernel address space. This interface is invoked from the x86 architecture code tha...

CVE-2025-71202

In the Linux kernel, the following vulnerability has been resolved: iommu/sva: invalidate stale IOTLB entries for kernel address space Introduce a new IOMMU interface to flush IOTLB paging cache entries for the CPU kernel address space. This interface is invoked from the x86 architecture code tha...

CVE-2025-71202 iommu/sva: invalidate stale IOTLB entries for kernel address space

In the Linux kernel, the following vulnerability has been resolved: iommu/sva: invalidate stale IOTLB entries for kernel address space Introduce a new IOMMU interface to flush IOTLB paging cache entries for the CPU kernel address space. This interface is invoked from the x86 architecture code tha...

CVE-2025-71202

In the Linux kernel, the following vulnerability has been resolved: iommu/sva: invalidate stale IOTLB entries for kernel address space Introduce a new IOMMU interface to flush IOTLB paging cache entries for the CPU kernel address space. This interface is invoked from the x86 architecture code tha...

CVE-2025-71202

CVE-2025-71202 affects the Linux kernel IOMMU/SVA path (invalidating stale IOTLB entries in CPU kernel address space) and is mitigated by a patch that flushes IOTLB paging cache before freeing kernel page tables. Connected advisories confirm Debian RootOS patches (ROOT-OS-DEBIAN-13/12) with multi...

CVE-2025-48517

Insufficient Granularity of Access Control in SEV firmware could allow a privileged user with a malicious hypervisor to create a SEV-ES guest with an ASID in the range meant for SEV-SNP guests potentially resulting in a partial loss of confidentiality...

CVE-2025-48514

Insufficient Granularity of Access Control in SEV firmware can allow a privileged attacker to create a SEV-ES Guest to attack SNP guest, potentially resulting in a loss of confidentiality...

CVE-2025-29939

Improper access control in secure encrypted virtualization SEV could allow a privileged attacker to write to the reverse map page RMP during secure nested paging SNP initialization, potentially resulting in a loss of guest memory confidentiality and integrity...

CVE-2025-48514

Insufficient Granularity of Access Control in SEV firmware can allow a privileged attacker to create a SEV-ES Guest to attack SNP guest, potentially resulting in a loss of confidentiality...

CVE-2025-48517

Insufficient Granularity of Access Control in SEV firmware could allow a privileged user with a malicious hypervisor to create a SEV-ES guest with an ASID in the range meant for SEV-SNP guests potentially resulting in a partial loss of confidentiality...

CVE-2025-29939

Improper access control in secure encrypted virtualization SEV could allow a privileged attacker to write to the reverse map page RMP during secure nested paging SNP initialization, potentially resulting in a loss of guest memory confidentiality and integrity...

UBUNTU-CVE-2025-29939

Improper access control in secure encrypted virtualization SEV could allow a privileged attacker to write to the reverse map page RMP during secure nested paging SNP initialization, potentially resulting in a loss of guest memory confidentiality and integrity...