Exploit for CVE-2026-31431_3A42E818-93C4-5256-922A-182699A8CA14

7.8 / 10

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

CVE-2026-31431 Copy Fail Exploit Linux 内核 page cache 污染漏洞利用工具，支持非交互式命令执行。漏洞概述 CVE-2026-31431 是 Linux 内核中的一个逻辑缺陷漏洞，存在于 authencesn AEAD 算法实现中。通过 AFALG 和 splice 系统调用链，攻击者可以向任意可读文件的 page cache 写入 4 字节数据。影响范围： - Linux 内核 4.14+ 2017年 - 2026年4月 -...

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Basic Information

ID 3A42E818-93C4-5256-922A-182699A8CA14

Published Apr 30, 2026 at 10:20

Modified Apr 30, 2026 at 10:21

{
    "lastseen": "2026-04-30T10:45:39",
    "description": "CVE-2026-31431 Copy Fail Exploit Linux \u5185\u6838 page cache \u6c61\u67d3\u6f0f\u6d1e\u5229\u7528\u5de5\u5177\uff0c\u652f\u6301\u975e\u4ea4\u4e92\u5f0f\u547d\u4ee4\u6267\u884c\u3002 \u6f0f\u6d1e\u6982\u8ff0 CVE-2026-31431 \u662f Linux \u5185\u6838\u4e2d\u7684\u4e00\u4e2a\u903b\u8f91\u7f3a\u9677\u6f0f\u6d1e\uff0c\u5b58\u5728\u4e8e authencesn AEAD \u7b97\u6cd5\u5b9e\u73b0\u4e2d\u3002\u901a\u8fc7 AFALG \u548c splice \u7cfb\u7edf\u8c03\u7528\u94fe\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5411\u4efb\u610f\u53ef\u8bfb\u6587\u4ef6\u7684 page cache \u5199\u5165 4 \u5b57\u8282\u6570\u636e\u3002 \u5f71\u54cd\u8303\u56f4\uff1a - Linux \u5185\u6838 4.14+ 2017\u5e74 - 2026\u5e744\u6708 -...",
    "published": "2026-04-30T10:20:19",
    "modified": "2026-04-30T10:21:23",
    "type": "githubexploit",
    "title": "Exploit for CVE-2026-31431",
    "source": "",
    "references": "",
    "id": "3A42E818-93C4-5256-922A-182699A8CA14",
    "bulletinFamily": "exploit",
    "cwe": null,
    "cvelist": [
        "CVE-2026-31431"
    ],
    "sourceData": "",
    "sourceHref": "",
    "cvss": {
        "score": 7.8,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "https://github.com/H1d3r/copy-fail_LPE_Interactive",
    "category_name": "Exploit",
    "post_link": "",
    "product": "",
    "version": "",
    "vendor": "",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}

Description

Basic Information

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