CVE-2026-43347

The CVE-2026-43347 details a Linux kernel arm64 Monaco issue where firmware mistakenly reports a Gunyah hypervisor memory region as available. The kernel may allocate from hypervisor-owned memory, causing spurious ESR=0x96000010 aborts and kernel crashes. The fix adds a reserved-memory carveout f...

CVE-2026-43347 arm64: dts: qcom: monaco: Reserve full Gunyah metadata region

In the Linux kernel, the following vulnerability has been resolved: arm64: dts: qcom: monaco: Reserve full Gunyah metadata region We observe spurious "Synchronous External Abort" exceptions ESR=0x96000010 and kernel crashes on Monaco-based platforms. These faults are caused by the kernel...

CVE-2026-43347 arm64: dts: qcom: monaco: Reserve full Gunyah metadata region

In the Linux kernel, the following vulnerability has been resolved: arm64: dts: qcom: monaco: Reserve full Gunyah metadata region We observe spurious "Synchronous External Abort" exceptions ESR=0x96000010 and kernel crashes on Monaco-based platforms. These faults are caused by the kernel...

CVE-2026-25077

Account users are allowed by default to register templates to be downloaded directly to the primary storage for deploying instances using the KVM hypervisor. Due to missing file name sanitization, an attacker can register malicious templates to execute arbitrary code on the KVM hosts. This can...

PT-2026-38998

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description On Monaco-based platforms, the kernel may inadvertently access memory owned by the Gunyah hypervisor because a portion of the metadata region is incorrectly reported as conventional memo...

SUSE-SU-2026:1743-1 Security update for xen

This update for xen fixes the following issues: - Update to Xen 4.20.3 bug fix release bsc1027519 jscPED-8907. - CVE-2025-54505: Floating Point Divider State Sampling on AMD CPUs AMD-SN-7053 bsc1262428. - CVE-2026-23557: Xenstored DoS via XSRESETWATCHES command bsc1262178. - CVE-2026-23558: grant...

SUSE CVE-2026-43094

In the Linux kernel, the following vulnerability has been resolved: ixgbevf: add missing negotiatefeatures op to Hyper-V ops table Commit a7075f501bd3 "ixgbevf: fix mailbox API compatibility by negotiating supported features" added the .negotiatefeatures callback to ixgbemacoperations and populat...

CVE-2026-43265

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ignore -EBUSY when checking nested events from vcpublock Ignore -EBUSY when checking nested events after exiting a blocking state while L2 is active, as exiting to userspace will generate a spurious userspace exit,...

CVE-2026-43249

The CVE-2026-43249 entry describes a race in the Linux kernel 9p/xen frontend: xenwatch and backend change notifications can concurrently call xen_9pfs_front_free, causing a double-free and a general protection fault. The fixes guard the teardown path so only a single caller releases the front-en...

CVE-2026-43097

CVE-2026-43097 affects the Linux kernel PCI Hyper-V driver. During error handling in hv_pci_probe, the domain_nr is freed twice: first via pci_bus_release_emul_domain_nr(), and again when the bridge release callback pci_release_host_bridge_dev() runs during cleanup, leading to ida_free on an unal...

CVE-2026-43097

In the Linux kernel, the following vulnerability has been resolved: PCI: hv: Fix double idafree in hvpciprobe error path If hvpciprobe fails after storing the domain number in hbus-bridge-domainnr, there is a call to free this domainnr via pcibusreleaseemuldomainnr, however, during cleanup, the...

CVE-2026-43096

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix infinite fault loop on permission-denied GPA intercepts Prevent infinite fault loops when guests access memory regions without proper permissions. Currently, mshvhandlegpaintercept attempts to remap pages for all faults...

Virtuozzo Infrastructure 7.3 Hotfix 2 (7.3.0-185)

This update provides stability fixes. Vulnerability id: VSTOR-128568 Backend initialization could fail when more than one project used the name 'admin'. Vulnerability id: VSTOR-129614 The Backup Gateway service could crash when removing an empty file. Vulnerability id: VSTOR-130137 Collecting a...

GHSA-2274-3HGR-WXV6 vulnerabilities

Vulnerabilities for packages: linux-qemu, linux-gcp, linux-azure, linux-vmware, linux-aws...

[SECURITY] Fedora 44 Update: xen-4.21.1-2.fc44

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

CVE-2026-31786

A flaw was found in the Linux kernel. A buffer overflow vulnerability exists in the Xen hypervisor driver drivers/xen/sys-hypervisor.c. This flaw occurs because the HYPERVISORxenversionXENVERbuildid function returns a build ID that is not properly null-terminated. When the buildidshow function...

[SECURITY] Fedora 43 Update: xen-4.20.3-2.fc43

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

ALPINE-CVE-2026-31786

In the Linux kernel, the following vulnerability has been resolved: Buffer overflow in drivers/xen/sys-hypervisor.c The build id returned by HYPERVISORxenversionXENVERbuildid is neither NUL terminated nor a string. The first causes a buffer overflow as sprintf in buildidshow will read and copy ti...

CVE-2026-31786

In the Linux kernel, the following vulnerability has been resolved: Buffer overflow in drivers/xen/sys-hypervisor.c The build id returned by HYPERVISORxenversionXENVERbuildid is neither NUL terminated nor a string. The first causes a buffer overflow as sprintf in buildidshow will read and copy ti...

CVE-2026-31786

In the Linux kernel, the following vulnerability has been resolved: Buffer overflow in drivers/xen/sys-hypervisor.c The build id returned by HYPERVISORxenversionXENVERbuildid is neither NUL terminated nor a string. The first causes a buffer overflow as sprintf in buildidshow will read and copy ti...