OPENSUSE-SU-2025:15142-1 xen-4.20.0_12-1.1 on GA media

These are all security issues fixed in the xen-4.20.012-1.1 package on the GA media of openSUSE Tumbleweed...

[SECURITY] Fedora 42 Update: xen-4.19.2-4.fc42

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

kernel: xen-netfront: Fix NULL sring after live migration

A flaw was found in the Linux kernel's xen-netfront component. During a live migration of a virtual machine, the Networked Asynchronous Packet Interface NAPI for the old network shared ring sring is not properly removed before a new one is established. A local attacker with low privileges could...

USN-7506-4 linux-lts-xenial vulnerabilities

Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of device backends. An attacker could possibly use a malicious Xen backend to gain access to memory pages of a guest VM or cause a denial of service in...

USN-7506-4: Linux kernel (Xenial HWE) vulnerabilities

Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of device backends. An attacker could possibly use a malicious Xen backend to gain access to memory pages of a guest VM or cause a denial of service in...

x86: Indirect Target Selection

ISSUE DESCRIPTION Researchers at VU Amsterdam have released Training Solo, detailing several speculative attacks which bypass current protections. One issue, which Intel have named Indirect Target Selection, is a bug in the hardware support for prediction-domain isolation. The mitigation for this...

USN-7506-3 linux-fips vulnerabilities

Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of device backends. An attacker could possibly use a malicious Xen backend to gain access to memory pages of a guest VM or cause a denial of service in...

USN-7506-3: Linux kernel (FIPS) vulnerabilities

Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of device backends. An attacker could possibly use a malicious Xen backend to gain access to memory pages of a guest VM or cause a denial of service in...

USN-7506-2 linux-aws vulnerabilities

Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of device backends. An attacker could possibly use a malicious Xen backend to gain access to memory pages of a guest VM or cause a denial of service in...

USN-7506-2: Linux kernel (AWS) vulnerabilities

Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of device backends. An attacker could possibly use a malicious Xen backend to gain access to memory pages of a guest VM or cause a denial of service in...

USN-7506-1 linux, linux-aws, linux-kvm vulnerabilities

Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of device backends. An attacker could possibly use a malicious Xen backend to gain access to memory pages of a guest VM or cause a denial of service in...

USN-7506-1: Linux kernel vulnerabilities

Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of device backends. An attacker could possibly use a malicious Xen backend to gain access to memory pages of a guest VM or cause a denial of service in...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-7506-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7506-1 advisory. Demi Marie Obenour and Simon Gaiser discovered that several Xen para- virtualization device frontends did not properly restrict the access rights of devi...

SUSE CVE-2025-37820

In the Linux kernel, the following vulnerability has been resolved: xen-netfront: handle NULL returned by xdpconvertbufftoframe The function xdpconvertbufftoframe may return NULL if it fails to correctly convert the XDP buffer into an XDP frame due to memory constraints, internal errors, or inval...

AZL-70138 CVE-2025-37820 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: xen-netfront: handle NULL returned by xdpconvertbufftoframe The function xdpconvertbufftoframe may return NULL if it fails to correctly convert the XDP buffer into an XDP frame due to memory constraints, internal errors, or inval...

DEBIAN-CVE-2025-37820

In the Linux kernel, the following vulnerability has been resolved: xen-netfront: handle NULL returned by xdpconvertbufftoframe The function xdpconvertbufftoframe may return NULL if it fails to correctly convert the XDP buffer into an XDP frame due to memory constraints, internal errors, or inval...

UBUNTU-CVE-2025-37820

In the Linux kernel, the following vulnerability has been resolved: xen-netfront: handle NULL returned by xdpconvertbufftoframe The function xdpconvertbufftoframe may return NULL if it fails to correctly convert the XDP buffer into an XDP frame due to memory constraints, internal errors, or inval...

CVE-2025-37820 xen-netfront: handle NULL returned by xdp_convert_buff_to_frame()

In the Linux kernel, the following vulnerability has been resolved: xen-netfront: handle NULL returned by xdpconvertbufftoframe The function xdpconvertbufftoframe may return NULL if it fails to correctly convert the XDP buffer into an XDP frame due to memory constraints, internal errors, or inval...

CVE-2025-37820: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: xen-netfront: handle NULL returned by xdpconvertbufftoframe The function xdpconvertbufftoframe may return NULL if it fails to correctly convert the XDP buffer into an XDP frame due to memory constraints, internal errors, or inval...

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...