Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Fixed error handling for eventfd in kvmxeneventfdassign Do not call eventfdctxput in case of an error. Introduced a new goto target instead. - Paolo...

USN-8073-1: QEMU vulnerabilities

It was discovered that the UHCI controller implementation of QEMU could be brought into an invalid state. An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2024-8354 It was discovered that QEMU incorrectly handled memory durin...

USN-8073-1 qemu vulnerabilities

It was discovered that the UHCI controller implementation of QEMU could be brought into an invalid state. An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2024-8354 It was discovered that QEMU incorrectly handled memory durin...

CVE-2026-0665

CVE-2026-0665 affects QEMU with the Xen guest support, enabling an attacker in the guest to trigger out-of-bounds heap access through xen_physdev_map_pirq, potentially causing denial of service or memory corruption. The connected advisories confirm a fix in QEMU (update to version 10.0.8) across ...

EUVD-2025-22893

Malicious code in bioql PyPI...

SUSE CVE-2025-38469

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Fix cleanup logic in emulation of Xen schedop poll hypercalls kvmxenschedoppoll does a kmallocarray when a VM polls the host for more than one event channel potr nrports 1. After the kmallocarray, the error paths ne...

DEBIAN-CVE-2025-38469

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Fix cleanup logic in emulation of Xen schedop poll hypercalls kvmxenschedoppoll does a kmallocarray when a VM polls the host for more than one event channel potr nrports 1. After the kmallocarray, the error paths ne...

DEBIAN-CVE-2022-50227

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Initialize Xen timer only once Add a check for existing xen timers before initializing a new one. Currently kvmxeninittimer is called on every KVMXENVCPUATTRTYPETIMER, which is causing the following ODEBUG crash whe...

UBUNTU-CVE-2022-50227

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Initialize Xen timer only once Add a check for existing xen timers before initializing a new one. Currently kvmxeninittimer is called on every KVMXENVCPUATTRTYPETIMER, which is causing the following ODEBUG crash whe...

CVE-2022-50227

CVE-2022-50227 affects the Linux kernel (KVM Xen timer) and is resolved by only initializing the Xen timer once. The root cause is that kvm_xen_init_timer() was invoked for every KVM_XEN_VCPU_ATTR_TYPE_TIMER, risking an ODEBUG crash when vcpu->arch.xen.timer is already set. The fix adds a chec...

CVE-2022-50227 KVM: x86/xen: Initialize Xen timer only once

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Initialize Xen timer only once Add a check for existing xen timers before initializing a new one. Currently kvmxeninittimer is called on every KVMXENVCPUATTRTYPETIMER, which is causing the following ODEBUG crash whe...

SUSE CVE-2022-49774

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Fix eventfd error handling in kvmxeneventfdassign Should not call eventfdctxput in case of error. Introduce new goto target instead. - Paolo...

UBUNTU-CVE-2022-49774

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Fix eventfd error handling in kvmxeneventfdassign Should not call eventfdctxput in case of error. Introduce new goto target instead. - Paolo...

PT-2022-35949 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.10 Description: The issue concerns eventfd error handling in the kvm xen eventfd assign function. It was introduced in version v5.19 and fixed in version v6.0.10. The actual impact and attack plausibility...