CVE-2018-10840
Quick assessment
Affected
kernel heap-based buffer overflow in fs/ext4/xattr.c
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.
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在缓冲区错误漏洞。攻击者利用该漏洞通过特制的ext4映像导致基于堆的缓冲区溢出。
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I. Basic Information for CVE-2018-10840
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在缓冲区错误漏洞。攻击者利用该漏洞通过特制的ext4映像导致基于堆的缓冲区溢出。
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 |
|---|---|---|---|---|
| kernel | heap-based buffer overflow in fs/ext4/xattr.c | n/a | - |
|
II. Public POCs for CVE-2018-10840
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2018-10840 (6)
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https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840 x_refsource_CONFIRM
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V. Comments for CVE-2018-10840
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