CVE-2023-34323— xenstored: A transaction conflict can crash C Xenstored
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I. Basic Information for CVE-2023-34323
Vulnerability Information
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Vulnerability Title
xenstored: A transaction conflict can crash C Xenstored
Source: NVD (National Vulnerability Database)
Vulnerability Description
When a transaction is committed, C Xenstored will first check the quota is correct before attempting to commit any nodes. It would be possible that accounting is temporarily negative if a node has been removed outside of the transaction. Unfortunately, some versions of C Xenstored are assuming that the quota cannot be negative and are using assert() to confirm it. This will lead to C Xenstored crash when tools are built without -DNDEBUG (this is the default).
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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 存在安全漏洞，该漏洞源于事务冲突会使C xenstored崩溃。
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
II. Public POCs for CVE-2023-34323
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Same Patch Batch · Xen · 2024-01-05 · 10 CVEs total
| CVE-2023-46837 | arm32: The cache may not be properly cleaned/invalidated (take two) | |
| CVE-2023-46836 | x86: BTC/SRSO fixes not fully effective | |
| CVE-2023-46835 | x86/AMD: mismatch in IOMMU quarantine page table levels | |
| CVE-2023-34327 | x86/AMD: Debug Mask handling | |
| CVE-2023-34328 | x86/AMD: Debug Mask handling | |
| CVE-2023-34325 | Multiple vulnerabilities in libfsimage disk handling | |
| CVE-2023-34326 | x86/AMD: missing IOMMU TLB flushing | |
| CVE-2023-34322 | top-level shadow reference dropped too early for 64-bit PV guests | |
| CVE-2023-34321 | arm32: The cache may not be properly cleaned/invalidated |
IV. Related Vulnerabilities
V. Comments for CVE-2023-34323
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