SUSE-SU-2024:2654-1 Security update for xen

This update for xen fixes the following issues: - CVE-2023-46842: Fixed x86 HVM hypercalls may trigger Xen bug check XSA-454, bsc1221984. - CVE-2024-31143: Fixed double unlock in x86 guest IRQ handling XSA-458, bsc1227355...

SUSE SLED15: xen / xen-devel / xen-doc-html / xen-libs / xen-libs-32bit / etc (SUSE-SU-2024:2531-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:2531-1 advisory. - CVE-2023-46842: Fixed x86 HVM hypercalls may trigger Xen bug check XSA-454, bsc1221984. -...

Error: "HVM is Required for this Operation" when Trying to Start the VM in XenServer

Example 1 When trying to start the virtual machine VMthe following error is returned: “ There were no servers available to start VM ” The reason is displayed as “ HVM Hardware Virtual Machine is required for this operation ” Example 2 When trying to migrate a Windows VM from one host to another...

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...

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...

DEBIAN-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...

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...

CVE-2023-46842

CVE-2023-46842 affects the Xen hypervisor. The VULNERABILITY allows HVM guests to switch between 64-bit and other modes, enabling potential manipulation of registers used for 32-bit hypercall arguments. Translation of hypercall arguments and lax sanity checks on register high halves can trigger a...

CVE-2023-46842 x86 HVM hypercalls may trigger Xen bug check

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...

CVE-2023-46842 x86 HVM hypercalls may trigger Xen bug check

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...

SUSE-SU-2024:1541-1 Security update for xen

This update for xen fixes the following issues: - CVE-2024-2201: Mitigation for Native Branch History Injection XSA-456, bsc1222453 - CVE-2023-46842: HVM hypercalls may trigger Xen bug check XSA-454, bsc1221984 - CVE-2024-31142: Fixed incorrect logic for BTC/SRSO mitigations XSA-455, bsc1222302 -...

SUSE-SU-2024:1540-1 Security update for xen

This update for xen fixes the following issues: - CVE-2024-2201: Mitigation for Native Branch History Injection XSA-456, bsc1222453 - CVE-2023-46842: HVM hypercalls may trigger Xen bug check XSA-454, bsc1221984 - CVE-2024-31142: Fixed incorrect logic for BTC/SRSO mitigations XSA-455, bsc1222302...

Fedora 40 : xen (2024-a46df5ba2f)

The remote Fedora 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-a46df5ba2f advisory. x86: Native Branch History Injection XSA-456, CVE-2024-2201 update to xen 4.18.2, remove patches now included upstream x86 HVM hypercalls may trigge...

CLSA-2024-1713864372 Update of grub2

Improve Xen detection so we don't set GRUBENABLEBLSCFG=false for HVM domU guests...

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...

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...

CVE-2023-46840

Incorrect placement of a preprocessor directive in source code results in logic that doesn't operate as intended when support for HVM guests is compiled out of Xen...

CVE-2023-46840

Incorrect placement of a preprocessor directive in source code results in logic that doesn't operate as intended when support for HVM guests is compiled out of Xen...

CVE-2023-46840

Incorrect placement of a preprocessor directive in source code results in logic that doesn't operate as intended when support for HVM guests is compiled out of Xen...

CVE-2023-46840 VT-d: Failure to quarantine devices in !HVM builds

Incorrect placement of a preprocessor directive in source code results in logic that doesn't operate as intended when support for HVM guests is compiled out of Xen...