5706 matches found
XenServer and Citrix Hypervisor Security Update for CVE-2023-46842, CVE-2024-2201 and CVE-2024-31142
Description of Problem Two issues have been identified that affect XenServer and Citrix Hypervisor; each issue may allow malicious unprivileged code in a guest VM to infer the contents of memory belonging to its own or other VMs on the same host. These issues have the following identifiers:...
SUSE CVE-2023-46842
Unlike 32-bit PV guests, HVM guests may switch freely between 64-bit and other modes. This in particular means that they may set registers used to pass 32-bit-mode hypercall arguments to values outside of the range 32-bit code would be able to set them to. When processing of hypercalls takes a...
Driver Disk for Microsemi smartpqi 2.1.28_025 - For Citrix Hypervisor 8.2 Cumulative Update 1 LTSR
Who should install this driver disk? Customers running the Citrix Hypervisor 8.2 Cumulative Update 1 LTSR release who use Microsemi's smartpqi driver and wish to use the latest version of the following: Driver Module| Driver Type| Version ---|---|--- smartpqi| SAS/Storage Controller| 2.1.28025...
Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12276)
The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-12276 advisory. - Fixes: CVE-2022-40284 - Fix off-by-one error in udevListInterfacesByStatus Martin Kletzander Orabug: 36364464 CVE-2024-1441 libvirt-dbus...
x86 HVM hypercalls may trigger Xen bug check
ISSUE DESCRIPTION Unlike 32-bit PV guests, HVM guests may switch freely between 64-bit and other modes. This in particular means that they may set registers used to pass 32-bit-mode hypercall arguments to values outside of the range 32-bit code would be able to set them to. When processing of...
SUSE CVE-2024-26691
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix circular locking dependency The rule inside kvm enforces that the vcpu-mutex is taken inside kvm-lock. The rule is violated by the pkvmcreatehypvm which acquires the kvm-lock while already holding the vcpu-mutex...
PT-2024-6307 · Xen +3 · Xen +3
Name of the Vulnerable Software and Affected Versions: Xen affected versions not specified Description: The issue is related to the x86 HVM hypercall handler in the Xen hypervisor. HVM guests can switch freely between 64-bit and other modes, allowing them to set registers used to pass 32-bit-mode...
Driver Disk for Qlogic qla2xxx 10.02.11.00-k - For Citrix Hypervisor 8.2 Cumulative Update 1 LTSR
Who should install this driver disk? Customers running the Citrix Hypervisor 8.2 Cumulative Update 1 LTSR release who use Qlogic's qla2xxx driver and wish to use the latest version of the following: Driver Module| Driver Type| Version ---|---|--- qla2xxx| Fibre Channel HBA/Storage Controller|...
Driver Disk for Intel ice 1.11.17.1 - For Citrix Hypervisor 8.2 Cumulative Update 1 LTSR
Who should install this driver disk? Customers running the Citrix Hypervisor 8.2 Cumulative Update 1 LTSR release who use Intel's ice driver and wish to use the latest version of the following: Driver Module| Driver Type| Version ---|---|--- ice| Ethernet/NIC| 1.11.17.1 Issues resolved in this...
AZL-42765 CVE-2024-2511 affecting package cloud-hypervisor-cvm for versions less than 38.0.72.2-1
Issue summary: Some non-default TLS server configurations can cause unbounded memory growth when processing TLSv1.3 sessions Impact summary: An attacker may exploit certain server configurations to trigger unbounded memory growth that would lead to a Denial of Service This problem can occur in...
AZL-42700 CVE-2024-2511 affecting package cloud-hypervisor-cvm for versions less than 38.0.72.2-1
Issue summary: Some non-default TLS server configurations can cause unbounded memory growth when processing TLSv1.3 sessions Impact summary: An attacker may exploit certain server configurations to trigger unbounded memory growth that would lead to a Denial of Service This problem can occur in...
CVE-2024-25743
A vulnerability was found in AMD SEV-SNP, where a malicious hypervisor can potentially break confidentiality and integrity of SEV-SNP on Linux guests by injecting interrupts. An attacker can inject interrupt 0x80, which is used by Linux for legacy 32-bit system calls, and arbitrarily change the...
CVE-2024-25742
A vulnerability was found in AMD SEV-SNP, where a malicious hypervisor can potentially break confidentiality and integrity of SEV-SNP on Linux guests by injecting interrupts. An attacker can inject interrupt 0x80, which is used by Linux for legacy 32-bit system calls, and arbitrarily change the...
SUSE CVE-2024-25743
In the Linux kernel through 6.9, an untrusted hypervisor can inject virtual interrupts 0 and 14 at any point in time and can trigger the SIGFPE signal handler in userspace applications. This affects AMD SEV-SNP and AMD SEV-ES...
Disrupting AMD SEV-SNP on Linux® With Interrupts
AMD ID: AMD-SB-3008 Potential Impact: N/A Severity: N/A Summary Researchers from ETH Zurich have shared with AMD a paper titled “Heckler: Disrupting AMD SEV-SNP with Interrupts.” In their paper, the researchers report that a malicious hypervisor can potentially break confidentiality and integrity...
CVE-2024-29008 Apache CloudStack: The extraconfig feature can be abused to load hypervisor resources on a VM instance
A problem has been identified in the CloudStack additional VM configuration extraconfig feature which can be misused by anyone who has privilege to deploy a VM instance or configure settings of an already deployed VM instance, to configure additional VM configuration even when the feature is not...
UBUNTU-CVE-2024-26691
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix circular locking dependency The rule inside kvm enforces that the vcpu-mutex is taken inside kvm-lock. The rule is violated by the pkvmcreatehypvm which acquires the kvm-lock while already holding the vcpu-mutex...
Fedora: Security Advisory for xen (FEDORA-2024-29f57f1b4e)
The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...
