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CVE-2022-42310

Quick assessment

Affected
Xen xen
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Xen是英国剑桥（Cambridge）大学的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。 Xen Xenstore存在安全漏洞，该漏洞源于恶意访客可以在数据库中创建孤立节点，通过在事务中创建多个节点导致错误，在这种情况之后提交事务时，可以使没有有效父节点的节点在数据库中永久存在。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.28% · P20

Possible ATT&CK Techniques 1 AI

T1542.001 · System Firmware
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I. Basic Information for CVE-2022-42310

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Xenstore: Guests can create orphaned Xenstore nodes By creating multiple nodes inside a transaction resulting in an error, a malicious guest can create orphaned nodes in the Xenstore data base, as the cleanup after the error will not remove all nodes already created. When the transaction is committed after this situation, nodes without a valid parent can be made permanent in the data base.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Xen 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Xen是英国剑桥（Cambridge）大学的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。 Xen Xenstore存在安全漏洞，该漏洞源于恶意访客可以在数据库中创建孤立节点，通过在事务中创建多个节点导致错误，在这种情况之后提交事务时，可以使没有有效父节点的节点在数据库中永久存在。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Xen xen consult Xen advisory XSA-415 -

II. Public POCs for CVE-2022-42310

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2022-42310

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Vendor Advisories for CVE-2022-42310 (2)

Mailing List Discussions for CVE-2022-42310 (4)

Other References for CVE-2022-42310 (2)

Same Patch Batch · Xen · 2022-11-01 · 19 CVEs total

CVE-2022-42319 Xen 安全漏洞
CVE-2022-42327 Xen 安全漏洞
CVE-2022-42326 Xen 安全漏洞
CVE-2022-42325 Xen 安全漏洞
CVE-2022-42324 Xen 缓冲区错误漏洞
CVE-2022-42323 Xen 安全漏洞
CVE-2022-42322 Xen 安全漏洞
CVE-2022-42321 Xen 安全漏洞
CVE-2022-42320 Xen 安全漏洞
CVE-2022-42309 Xen 安全漏洞
CVE-2022-42318 Xen 安全漏洞
CVE-2022-42317 Xen 安全漏洞
CVE-2022-42316 Xen 安全漏洞
CVE-2022-42315 Xen 安全漏洞
CVE-2022-42314 Xen 安全漏洞
CVE-2022-42313 Xen 安全漏洞
CVE-2022-42312 Xen 安全漏洞
CVE-2022-42311 Xen 安全漏洞

IV. Related Vulnerabilities

Same product: xen
Same vendor: Xen

V. Comments for CVE-2022-42310

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