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I. Basic Information for CVE-2013-2140
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The dispatch_discard_io function in drivers/block/xen-blkback/blkback.c in the Xen blkback implementation in the Linux kernel before 3.10.5 allows guest OS users to cause a denial of service (data loss) via filesystem write operations on a read-only disk that supports the (1) BLKIF_OP_DISCARD (aka discard or TRIM) or (2) SCSI UNMAP feature.
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
Linux Kernel “dispatch_discard_io()”RO Disk Manipulation安全绕过漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 3.10.4 及之前的版本中的Xen blkback实现中的drivers/block/xen-blkback/blkback.c文件中的‘dispatch_discard_io’函数中存在拒绝服务漏洞。访客操作系统端的攻击者可通过在只读磁盘（该磁盘支持discard又名TRIM，或SCSI UNMAP功能）上的文件系统
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
VendorProductAffected VersionsCPESubscribe
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II. Public POCs for CVE-2013-2140
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III. Intelligence Information for CVE-2013-2140
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IV. Related Vulnerabilities
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Same vendor: n/a
V. Comments for CVE-2013-2140

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