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CVE-2018-1093

EPSS 0.10% · P27
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I. Basic Information for CVE-2018-1093

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers.
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 安全漏洞
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。 Linux kernel 4.15.15及之前的版本中的fs/ext4/balloc.c文件的‘ext4_valid_block_bitmap’函数存在安全漏洞，该漏洞源于程序没有校验bitmap块的数量。攻击者可借助特制的ext4图像利用该漏洞造成拒绝服务（越边界读取和系统崩溃）。
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

VendorProductAffected VersionsCPESubscribe
-Linux kernel through version 4.15 Linux kernel through version 4.15 -

II. Public POCs for CVE-2018-1093

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III. Intelligence Information for CVE-2018-1093

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Same Patch Batch · n/a · 2018-04-02 · 12 CVEs total

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IV. Related Vulnerabilities

Same product: Linux kernel through version 4.15
Same vendor: n/a

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