Xen Xenstore 安全漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. Xen Xenstore suffers from a security...

CVE-2022-42330

CVE-2022-42330 affects the Xen hypervisor stack where a bug in xenstored can crash xenstored when a guest issues a Soft Reset that triggers an XS_RELEASE operation. The issue is rooted in xenstored and can be triggered by XS_RELEASE or similar uses, leading to availability impact as described in ...

CVE-2022-42330

Guests can cause Xenstore crash via soft reset When a guest issues a "Soft Reset" e.g. for performing a kexec the libxl based Xen toolstack will normally perform a XSRELEASE Xenstore operation. Due to a bug in xenstored this can result in a crash of xenstored. Any other use of XSRELEASE will have...

CVE-2022-42330

Guests can cause Xenstore crash via soft reset When a guest issues a "Soft Reset" e.g. for performing a kexec the libxl based Xen toolstack will normally perform a XSRELEASE Xenstore operation. Due to a bug in xenstored this can result in a crash of xenstored. Any other use of XSRELEASE will have...

CVE-2022-42330: Undefined Security Weakness

Guests can cause Xenstore crash via soft reset When a guest issues a "Soft Reset" e.g. for performing a kexec the libxl based Xen toolstack will normally perform a XSRELEASE Xenstore operation. Due to a bug in xenstored this can result in a crash of xenstored. Any other use of XSRELEASE will have...

CVE-2022-42330

Guests can cause Xenstore crash via soft reset When a guest issues a "Soft Reset" e.g. for performing a kexec the libxl based Xen toolstack will normally perform a XSRELEASE Xenstore operation. Due to a bug in xenstored this can result in a crash of xenstored. Any other use of XSRELEASE will have...

Guests can cause Xenstore crash via soft reset

ISSUE DESCRIPTION When a guest issues a "Soft Reset" e.g. for performing a kexec the libxl based Xen toolstack will normally perform a XSRELEASE Xenstore operation. Due to a bug in xenstored this can result in a crash of xenstored. Any other use of XSRELEASE will have the same impact. IMPACT A...

DEBIAN-CVE-2021-28687

HVM soft-reset crashes toolstack libxl requires all data structures passed across its public interface to be initialized before use and disposed of afterwards by calling a specific set of functions. Many internal data structures also require this initialize / dispose discipline, but not all of...

CVE-2021-28687

HVM soft-reset crashes toolstack libxl requires all data structures passed across its public interface to be initialized before use and disposed of afterwards by calling a specific set of functions. Many internal data structures also require this initialize / dispose discipline, but not all of...

CVE-2021-28687

HVM soft-reset crashes toolstack libxl requires all data structures passed across its public interface to be initialized before use and disposed of afterwards by calling a specific set of functions. Many internal data structures also require this initialize / dispose discipline, but not all of...

ALPINE-CVE-2021-28687

HVM soft-reset crashes toolstack libxl requires all data structures passed across its public interface to be initialized before use and disposed of afterwards by calling a specific set of functions. Many internal data structures also require this initialize / dispose discipline, but not all of...

CVE-2021-28687

HVM soft-reset crashes toolstack libxl requires all data structures passed across its public interface to be initialized before use and disposed of afterwards by calling a specific set of functions. Many internal data structures also require this initialize / dispose discipline, but not all of...

Design/Logic Flaw

HVM soft-reset crashes toolstack libxl requires all data structures passed across its public interface to be initialized before use and disposed of afterwards by calling a specific set of functions. Many internal data structures also require this initialize / dispose discipline, but not all of...

CVE-2021-28687

HVM soft-reset crashes toolstack libxl requires all data structures passed across its public interface to be initialized before use and disposed of afterwards by calling a specific set of functions. Many internal data structures also require this initialize / dispose discipline, but not all of...

CVE-2021-28687

CVE-2021-28687 concerns Xen hypervisor in HVM domains. The issue arises from a path where the soft-reset feature does not initialize the libxl__domain_suspend_state structure, causing an assert when the guest initiates a soft reboot. This leads to crashing of the process monitoring the guest. Imp...

CVE-2021-28687

HVM soft-reset crashes toolstack libxl requires all data structures passed across its public interface to be initialized before use and disposed of afterwards by calling a specific set of functions. Many internal data structures also require this initialize / dispose discipline, but not all of...

CVE-2021-28687

HVM soft-reset crashes toolstack libxl requires all data structures passed across its public interface to be initialized before use and disposed of afterwards by calling a specific set of functions. Many internal data structures also require this initialize / dispose discipline, but not all of...

CVE-2021-28687: Missing Initialization of Resource

HVM soft-reset crashes toolstack libxl requires all data structures passed across its public interface to be initialized before use and disposed of afterwards by calling a specific set of functions. Many internal data structures also require this initialize / dispose discipline, but not all of...

SUSE SLES15 Security Update : xen (SUSE-SU-2021:1460-1)

This update for xen fixes the following issues : CVE-2020-28368: Intel RAPL sidechannel attack aka PLATYPUS attack bsc1178591, XSA-351 CVE-2021-3308: IRQ vector leak on x86 bsc1181254, XSA-360 CVE-2021-28687: HVM soft-reset crashes toolstack bsc1183072, XSA-368 L3: conring size for XEN HV's with...

SUSE-SU-2021:1460-1 Security update for xen

This update for xen fixes the following issues: - CVE-2020-28368: Intel RAPL sidechannel attack aka PLATYPUS attack bsc1178591, XSA-351 - CVE-2021-3308: IRQ vector leak on x86 bsc1181254, XSA-360 - CVE-2021-28687: HVM soft-reset crashes toolstack bsc1183072, XSA-368 - L3: conring size for XEN HV'...