QEMU: virtiofsd: potential privileged host device access from guest

A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices. The highest threat from this vulnerability is to da...

virt:rhel and virt-devel:rhel security update

An update is available for libnbd, nbdkit, libguestfs-winsupport, supermin, libiscsi, hivex, netcf, perl-Sys-Virt, seabios, sgabios, libvirt-dbus, libvirt-python. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

RHEL 8 : virt:rhel and virt-devel:rhel (RHSA-2021:0711)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:0711 advisory. Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packag...

CVE-2021-20263

A flaw was found in the virtio-fs shared file system daemon virtiofsd of QEMU. The new 'xattrmap' option may cause the 'security.capability' xattr in the guest to not drop on file write, potentially leading to a modified, privileged executable in the guest. In rare circumstances, this flaw could ...

QEMU: virtiofsd: potential privileged host device access from guest

A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices. The highest threat from this vulnerability is to da...

QEMU Access Control Error Vulnerability

QEMU Quick Emulator is a set of simulation processor software by Fabrice Bellard, a French individual developer. The software is fast and cross-platform. QEMU suffers from an Access Control Error vulnerability that can be exploited by an attacker to bypass access restrictions via virtiofsd in ord...

QEMU 访问控制错误漏洞

QEMU Quick Emulator is a set of simulation processor software by Fabrice Bellard, a French individual developer. The software is fast and cross-platform. QEMU suffers from an Access Control Error vulnerability that can be exploited by an attacker to bypass access restrictions via virtiofsd in ord...

Moderate: Red Hat Security Advisory: virt:8.2 and virt-devel:8.2 security and bug fix update

An update for the virt:8.2 and virt-devel:8.2 modules is now available for Advanced Virtualization for RHEL 8.2.1. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating,...

QEMU: virtiofsd: guest may open maximum file descriptor to cause DoS

A potential DoS flaw was found in the virtio-fs shared file system daemon virtiofsd implementation of the QEMU version = v5.0. Virtio-fs is meant to share a host file system directory with a guest via virtio-fs device. If the guest opens the maximum number of file descriptors under the shared...

QEMU Resource Management Error Vulnerability

QEMU Quick Emulator is a set of simulation processor software by French software developer Fabrice Bellard. The software is fast, cross-platform and other characteristics. A resource management error vulnerability exists in the virtio-fs shared file system daemon virtiofsd implementation in QEMU...

CVE-2020-10717

A potential DoS flaw was found in the virtio-fs shared file system daemon virtiofsd implementation of the QEMU version = v5.0. Virtio-fs is meant to share a host file system directory with a guest via virtio-fs device. If the guest opens the maximum number of file descriptors under the shared...

CVE-2020-10717

The CVE-2020-10717 entry concerns virtiofsd (virtio-fs shared file system daemon) in QEMU versions >= 5.0. The vulnerability arises when a guest process opens the maximum number of file descriptors within the shared directory, enabling a local guest user to cause a denial of service on the hos...