ALPINE-CVE-2021-3308

An issue was discovered in Xen 4.12.3 through 4.12.4 and 4.13.1 through 4.14.x. An x86 HVM guest with PCI pass through devices can force the allocation of all IDT vectors on the system by rebooting itself with MSI or MSI-X capabilities enabled and entries setup. Such reboots will leak any vectors...

openSUSE Security Update : xen (openSUSE-2020-2331)

This update for xen fixes the following issues : - CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests bsc117949 XSA-115. - CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions bsc1179498...

IRQ vector leak on x86

ISSUE DESCRIPTION An x86 HVM guest with PCI pass through devices can force the allocation of all IDT vectors on the system by rebooting itself with MSI or MSI-X capabilities enabled and entries setup. Such reboots will leak any vectors used by the MSI-X entries that the guest might had enabled, a...

Xen xenstored watch DoS (XSA-348)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a denial of service vulnerability. When they require assistance from the device model, x86 HVM guests must be temporarily de-scheduled. The device model will signal Xen when it has...

SUSE-SU-2020:3915-1 Security update for xen

This update for xen fixes the following issues: - CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests bsc117949 XSA-115. - CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions bsc1179498...

OPENSUSE-SU-2020:2313-1 Security update for xen

This update for xen fixes the following issues: - CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests bsc117949 XSA-115. - CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions bsc1179498...

CVE-2020-29479

An issue was discovered in Xen through 4.14.x. In the Ocaml xenstored implementation, the internal representation of the tree has special cases for the root node, because this node has no parent. Unfortunately, permissions were not checked for certain operations on the root node. Unprivileged...

DEBIAN-CVE-2020-29479

An issue was discovered in Xen through 4.14.x. In the Ocaml xenstored implementation, the internal representation of the tree has special cases for the root node, because this node has no parent. Unfortunately, permissions were not checked for certain operations on the root node. Unprivileged...

CVE-2020-29479

An issue was discovered in Xen through 4.14.x. In the Ocaml xenstored implementation, the internal representation of the tree has special cases for the root node, because this node has no parent. Unfortunately, permissions were not checked for certain operations on the root node. Unprivileged...

UBUNTU-CVE-2020-29479

An issue was discovered in Xen through 4.14.x. In the Ocaml xenstored implementation, the internal representation of the tree has special cases for the root node, because this node has no parent. Unfortunately, permissions were not checked for certain operations on the root node. Unprivileged...

UBUNTU-CVE-2020-29483

An issue was discovered in Xen through 4.14.x. Xenstored and guests communicate via a shared memory page using a specific protocol. When a guest violates this protocol, xenstored will drop the connection to that guest. Unfortunately, this is done by just removing the guest from xenstored's intern...

CVE-2020-29479

An issue was discovered in Xen through 4.14.x. In the Ocaml xenstored implementation, the internal representation of the tree has special cases for the root node, because this node has no parent. Unfortunately, permissions were not checked for certain operations on the root node. Unprivileged...

CVE-2020-29566

An issue was discovered in Xen through 4.14.x. When they require assistance from the device model, x86 HVM guests must be temporarily de-scheduled. The device model will signal Xen when it has completed its operation, via an event channel, so that the relevant vCPU is rescheduled. If the device...

CVE-2020-29566

An issue was discovered in Xen through 4.14.x. When they require assistance from the device model, x86 HVM guests must be temporarily de-scheduled. The device model will signal Xen when it has completed its operation, via an event channel, so that the relevant vCPU is rescheduled. If the device...

DEBIAN-CVE-2020-29566

An issue was discovered in Xen through 4.14.x. When they require assistance from the device model, x86 HVM guests must be temporarily de-scheduled. The device model will signal Xen when it has completed its operation, via an event channel, so that the relevant vCPU is rescheduled. If the device...

UBUNTU-CVE-2020-29566

An issue was discovered in Xen through 4.14.x. When they require assistance from the device model, x86 HVM guests must be temporarily de-scheduled. The device model will signal Xen when it has completed its operation, via an event channel, so that the relevant vCPU is rescheduled. If the device...

CVE-2020-29566

An issue was discovered in Xen through 4.14.x. When they require assistance from the device model, x86 HVM guests must be temporarily de-scheduled. The device model will signal Xen when it has completed its operation, via an event channel, so that the relevant vCPU is rescheduled. If the device...

CVE-2020-29479

An issue was discovered in Xen through 4.14.x. In the Ocaml xenstored implementation, the internal representation of the tree has special cases for the root node, because this node has no parent. Unfortunately, permissions were not checked for certain operations on the root node. Unprivileged...

CVE-2020-29566

An issue was discovered in Xen through 4.14.x. When they require assistance from the device model, x86 HVM guests must be temporarily de-scheduled. The device model will signal Xen when it has completed its operation, via an event channel, so that the relevant vCPU is rescheduled. If the device...

CVE-2020-29566

An issue was discovered in Xen through 4.14.x. When they require assistance from the device model, x86 HVM guests must be temporarily de-scheduled. The device model will signal Xen when it has completed its operation, via an event channel, so that the relevant vCPU is rescheduled. If the device...