Xenstore: Guests can cause Xenstore to not free temporary memory

ISSUE DESCRIPTION When working on a request of a guest, xenstored might need to allocate quite large amounts of memory temporarily. This memory is freed only after the request has been finished completely. A request is regarded to be finished only after the guest has read the response message of...

Xen 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-2022-42313

Xenstore: guests can let run xenstored out of memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Malicious guests can cause xenstored to allocate vast amounts of memory, eventually resulting in a Denial of Service...

CVE-2022-42314

CVE-2022-42314 is a Xenstore vulnerability in Xen that can allow a guest to cause xenstored to exhaust memory and crash or suffer a DoS. Connected advisories describe several memory-exhaustion vectors, including: issuing new requests to xenstored without reading responses (buffering in memory), g...

CVE-2022-42318

Xenstore: guests can let run xenstored out of memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Malicious guests can cause xenstored to allocate vast amounts of memory, eventually resulting in a Denial of Service...

CVE-2022-42311

Xenstore in Xen is affected by CVE-2022-42311. Malicious guests can cause xenstored to allocate large memory, leading to DoS. The issue arises from: issuing requests without reading responses (buffered in memory); generating many watch events by watches and deleting nodes; creating maximum-size n...

CVE-2022-42318

CVE-2022-42318 is a Xenstore-related vulnerability in the Xen hypervisor where a malicious guest can cause xenstored to allocate excessive memory, resulting in a Denial of Service. The public description lists multiple attack vectors that trigger large memory usage: issuing new requests without r...

PT-2022-7326 · Xen +1 · Xenstore +1

Name of the Vulnerable Software and Affected Versions: Xenstore affected versions not specified Description: The issue is related to the Xenstore component of the Xen hypervisor, where malicious guests can cause xenstored to allocate large amounts of memory. This can result in a Denial of Service...

CVE-2022-42312

Xenstore: guests can let run xenstored out of memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Malicious guests can cause xenstored to allocate vast amounts of memory, eventually resulting in a Denial of Service...

CVE-2022-42315

Xenstore: guests can let run xenstored out of memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Malicious guests can cause xenstored to allocate vast amounts of memory, eventually resulting in a Denial of Service...

CVE-2022-42312

Xenstore: guests can let run xenstored out of memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Malicious guests can cause xenstored to allocate vast amounts of memory, eventually resulting in a Denial of Service...

Xen 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-2022-42319

Xenstore: Guests can cause Xenstore to not free temporary memory When working on a request of a guest, xenstored might need to allocate quite large amounts of memory temporarily. This memory is freed only after the request has been finished completely. A request is regarded to be finished only...

CVE-2022-42314

Xenstore: guests can let run xenstored out of memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Malicious guests can cause xenstored to allocate vast amounts of memory, eventually resulting in a Denial of Service...

Xen 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-2022-42318

Xenstore: guests can let run xenstored out of memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Malicious guests can cause xenstored to allocate vast amounts of memory, eventually resulting in a Denial of Service...

Xen 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-2022-42313

Xenstore: guests can let run xenstored out of memory This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Malicious guests can cause xenstored to allocate vast amounts of memory, eventually resulting in a Denial of Service...

CVE-2022-42313

CVE-2022-42313 concerns Xenstore/xenstored. Malicious guests can cause xenstored to allocate unusually large amounts of memory, leading to DoS. The entry lists several memory-pressure vectors: issuing requests without reading responses (buffered in memory), generating many xenstore watches, creat...

CVE-2022-42316

CVE-2022-42316 ( Xenstore ) : The Xen hypervisor/Xenstore vulnerability allows a guest to cause xenstored to exhaust memory, leading to a DoS. The issue stems from multiple attack vectors that can inflate memory usage: issuing new requests without reading responses (buffering responses in memory)...