EUVD-2018-19269

Malware in sbrugna...

PT-2025-9009 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been identified, specifically in the xen hypercall hvm function used when running as a Xen PVH guest. This function clobbers the %rbx register,...

DEBIAN-CVE-2024-45819

PVH guests have their ACPI tables constructed by the toolstack. The construction involves building the tables in local memory, which are then copied into guest memory. While actually used parts of the local memory are filled in correctly, excess space that is being allocated is left with its prio...

CVE-2024-45819

PVH guests have their ACPI tables constructed by the toolstack. The construction involves building the tables in local memory, which are then copied into guest memory. While actually used parts of the local memory are filled in correctly, excess space that is being allocated is left with its prio...

CVE-2024-45819

PVH guests have their ACPI tables constructed by the toolstack. The construction involves building the tables in local memory, which are then copied into guest memory. While actually used parts of the local memory are filled in correctly, excess space that is being allocated is left with its prio...

CVE-2024-45819

CVE-2024-45819 affects Xen libxl: PVH guests have their ACPI tables constructed by the Xen toolstack in local memory and then copied to guest memory. The vulnerability arises because, although the actually used portions of local memory are populated correctly, any excess allocated space is left w...

CVE-2024-45819

PVH guests have their ACPI tables constructed by the toolstack. The construction involves building the tables in local memory, which are then copied into guest memory. While actually used parts of the local memory are filled in correctly, excess space that is being allocated is left with its prio...

CVE-2024-45819 libxl leaks data to PVH guests via ACPI tables

PVH guests have their ACPI tables constructed by the toolstack. The construction involves building the tables in local memory, which are then copied into guest memory. While actually used parts of the local memory are filled in correctly, excess space that is being allocated is left with its prio...

CVE-2024-45819 libxl leaks data to PVH guests via ACPI tables

PVH guests have their ACPI tables constructed by the toolstack. The construction involves building the tables in local memory, which are then copied into guest memory. While actually used parts of the local memory are filled in correctly, excess space that is being allocated is left with its prio...

SUSE-SU-2024:4116-1 Security update for xen

This update for xen fixes the following issues: - CVE-2024-45818: Fixed deadlock in x86 HVM standard VGA handling XSA-463 bsc1232622. - CVE-2024-45819: Fixed libxl data leaks to PVH guests via ACPI tables XSA-464 bsc1232624. Bug fixes: - Remove usage of net-tools-deprecated from supportconfig...

Security update for xen

This update for xen fixes the following issues: Security issues fixed: CVE-2024-45818: xen: Deadlock in x86 HVM standard VGA handling bsc1232622 CVE-2024-45819: xen: libxl leaks data to PVH guests via ACPI tables bsc1232624 CVE-2024-45817: xen: x86: Deadlock in vlapicerror bsc1230366 Non-security...

SUSE CVE-2024-45819

PVH guests have their ACPI tables constructed by the toolstack. The construction involves building the tables in local memory, which are then copied into guest memory. While actually used parts of the local memory are filled in correctly, excess space that is being allocated is left with its prio...

SUSE-SU-2024:3980-1 Security update for xen

This update for xen fixes the following issues: Security issues fixed: - CVE-2024-45818: xen: Deadlock in x86 HVM standard VGA handling bsc1232622 - CVE-2024-45819: xen: libxl leaks data to PVH guests via ACPI tables bsc1232624 - CVE-2024-45817: xen: x86: Deadlock in vlapicerror bsc1230366...

SUSE-SU-2024:3979-1 Security update for xen

This update for xen fixes the following issues: Security issues fixed: - CVE-2024-45818: xen: Deadlock in x86 HVM standard VGA handling bsc1232622 - CVE-2024-45819: xen: libxl leaks data to PVH guests via ACPI tables bsc1232624 Non-security issue fixed: - Xen host hung at boot up with repeated 'X...

Security update for xen

This update for xen fixes the following issues: CVE-2024-45818: Fixed deadlock in x86 HVM standard VGA handling XSA-463 bsc1232622. CVE-2024-45819: Fixed libxl data leaks to PVH guests via ACPI tables XSA-464 bsc1232624. Bug fixes: Remove usage of net-tools-deprecated from supportconfig plugin...

SUSE-SU-2024:3977-1 Security update for xen

This update for xen fixes the following issues: - CVE-2024-45818: Fixed deadlock in x86 HVM standard VGA handling XSA-463 bsc1232622. - CVE-2024-45819: Fixed libxl data leaks to PVH guests via ACPI tables XSA-464 bsc1232624. Bug fixes: - Remove usage of net-tools-deprecated from supportconfig...

libxl leaks data to PVH guests via ACPI tables

ISSUE DESCRIPTION PVH guests have their ACPI tables constructed by the toolstack. The construction involves building the tables in local memory, which are then copied into guest memory. While actually used parts of the local memory are filled in correctly, excess space that is being allocated is...

x86: Deadlock in vlapic_error()

ISSUE DESCRIPTION In x86's APIC Advanced Programmable Interrupt Controller architecture, error conditions are reported in a status register. Furthermore, the OS can opt to receive an interrupt when a new error occurs. It is possible to configure the error interrupt with an illegal vector, which...

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...

x86: shadow stack vs exceptions from emulation stubs

ISSUE DESCRIPTION Recent x86 CPUs offer functionality named Control-flow Enforcement Technology CET. A sub-feature of this are Shadow Stacks CET-SS. CET-SS is a hardware feature designed to protect against Return Oriented Programming attacks. When enabled, traditional stacks holding both data and...