Design/Logic Flaw

Guests can trigger deadlock in Linux netback driver This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. The patch for XSA-392 introduced another issue which might result in a deadlock when trying to free the SKB of a packe...

CVE-2022-42328

Guests can trigger deadlock in Linux netback driver This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. The patch for XSA-392 introduced another issue which might result in a deadlock when trying to free the SKB of a packe...

CVE-2022-42328

Guests can trigger deadlock in Linux netback driver This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. The patch for XSA-392 introduced another issue which might result in a deadlock when trying to free the SKB of a packe...

CVE-2022-42329

Guests can trigger deadlock in Linux netback driver This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. The patch for XSA-392 introduced another issue which might result in a deadlock when trying to free the SKB of a packe...

CVE-2022-42328

Guests can trigger deadlock in Linux netback driver This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. The patch for XSA-392 introduced another issue which might result in a deadlock when trying to free the SKB of a packe...

CVE-2022-42329

CVE-2022-42329 concerns the Linux xen-netback driver. The description shows a potential deadlock when freeing the SKB of a dropped packet under the XSA-392 handling (also tied to CVE-2022-42328) and also when dropping packets if netpoll is active on the connected interface, risking a deadlock in ...

CVE-2022-42328

Technical details about CVE-2022-42328 (and related CVEs) are not provided in the connected documents. Monitor the cited Xen/XenServer advisories and AWS Amazon/Linux advisories for updates and fixes.

Guests can trigger deadlock in Linux netback driver

ISSUE DESCRIPTION The patch for XSA-392 introduced another issue which might result in a deadlock when trying to free the SKB of a packet dropped due to the XSA-392 handling CVE-2022-42328. Additionally when dropping packages for other reasons the same deadlock could occur in case of netpoll bein...

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 migration at runtime to ensure uptime and avoid downtime. A security vulnerability exists in Xen...

Xenstore: Guests can create arbitrary number of nodes via transactions (XSA-421)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a vulnerability in its node creation feature. In case a node has been created in a transaction and it is later deleted in the same transaction, the transaction will be terminated with an...

x86: Multiple speculative security issues

ISSUE DESCRIPTION 1 Researchers have discovered that on some AMD CPUs, the implementation of IBPB Indirect Branch Prediction Barrier does not behave according to the specification. Specifically, IBPB fails to properly flush the RAS Return Address Stack, also RSB - Return Stack Buffer - in Intel...

CVE-2022-42309

Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstored causing further damage. Entering the error path can be...

CVE-2022-42323

Xenstore: Cooperating guests can create arbitrary numbers of nodes This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Since the fix of XSA-322 any Xenstore node owned by a removed domain will be modified to be owned by...

CVE-2022-42309

Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstored causing further damage. Entering the error path can be...

UBUNTU-CVE-2022-42309

Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstored causing further damage. Entering the error path can be...

UBUNTU-CVE-2022-42323

Xenstore: Cooperating guests can create arbitrary numbers of nodes This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Since the fix of XSA-322 any Xenstore node owned by a removed domain will be modified to be owned by...

Xenstore: Guests can crash xenstored

ISSUE DESCRIPTION Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstored causing further damage. Entering the error path can be controlled by the...

CVE-2022-42309

Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstored causing further damage. Entering the error path can be...

PT-2022-7323 · Xenstore +1 · Xenstore +1

Name of the Vulnerable Software and Affected Versions: Xenstore versions prior to the fix of XSA-322 Description: The issue allows cooperating guests to create an arbitrary number of Xenstore nodes. This is possible when one domain lets another write into its local Xenstore tree, creating many...

CVE-2022-42322

Xenstore: Cooperating guests can create arbitrary numbers of nodes This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Since the fix of XSA-322 any Xenstore node owned by a removed domain will be modified to be owned by...