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CVE-2018-15471

Quick assessment

Affected
n/a n/a
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基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.18.1及之前版本中的drivers/net/xen-netback/hash.c文件的‘xenvif_set_hash_mapping’函数存在安全漏洞，该漏洞源于程序没有进行输入验证或输入验证出错。攻击者可利用该漏洞造成后端越界访问内存，可能提升权限，造成拒绝服务或泄露信息。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.33% · P24
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I. Basic Information for CVE-2018-15471

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in xenvif_set_hash_mapping in drivers/net/xen-netback/hash.c in the Linux kernel through 4.18.1, as used in Xen through 4.11.x and other products. The Linux netback driver allows frontends to control mapping of requests to request queues. When processing a request to set or change this mapping, some input validation (e.g., for an integer overflow) was missing or flawed, leading to OOB access in hash handling. A malicious or buggy frontend may cause the (usually privileged) backend to make out of bounds memory accesses, potentially resulting in one or more of privilege escalation, Denial of Service (DoS), or information leaks.
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
Linux kernel 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 4.18.1及之前版本中的drivers/net/xen-netback/hash.c文件的‘xenvif_set_hash_mapping’函数存在安全漏洞，该漏洞源于程序没有进行输入验证或输入验证出错。攻击者可利用该漏洞造成后端越界访问内存，可能提升权限，造成拒绝服务或泄露信息。
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
- n/a n/a -

II. Public POCs for CVE-2018-15471

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III. Intelligence Information for CVE-2018-15471

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Vendor Advisories for CVE-2018-15471 (5)

Mailing List Discussions for CVE-2018-15471 (1)

Other References for CVE-2018-15471 (2)

Same Patch Batch · n/a · 2018-08-17 · 11 CVEs total

CVE-2018-15473 OpenSSH 竞争条件问题漏洞
CVE-2018-15468 Xen 安全漏洞
CVE-2018-15469 Xen 安全漏洞
CVE-2018-15470 Xen 安全漏洞
CVE-2018-14057 Pimcore 跨站请求伪造漏洞
CVE-2018-14058 Pimcore SQL注入漏洞
CVE-2018-6622 Trusted Platform Module 安全漏洞
CVE-2018-14981 Android 访问控制错误漏洞
CVE-2018-14982 Android GNSS application 访问控制错误漏洞
CVE-2018-15482 Android 访问控制错误漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2018-15471

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