CVE-2026-31431-CopyFail-Lab

CVE-2026-31431 “Copy Fail” — Linux 内核 LPE 实验室 概述 本仓库记录了对 CVE-2026-31431（Copy Fail） 的完整实验室调查， 这是 Linux 内核 algifaead 加密模块中的一个高危本地权限提升（LPE）漏洞， 于 2026 年 4 月 29 日披露。 CVSS 评分： 7.8（高危） 测试内核： 6.18.12+kali-amd64 实验日期： 2026 年 5 月 11 日 目录 文件| 描述 ---|--- CVE-2026-31431CopyFailLabDocumentationv2.md|...

copy-fail-CVE-2026-31431-IOC

copyfail-detect 针对 CVE-2026-31431（“Copy Fail”）的检测工具包，这是一种 Linux 内核本地权限提升技术，可在不修改磁盘上文件的情况下破坏页缓存数据。 存在原因 Copy Fail 可以绕过传统的文件完整性监控，因为磁盘上的文件并未被修改。本仓库提供基于 auditd、eBPF、页缓存比对、Sigma 规则和响应文档的分层检测方案。 eBPF 监控器是保真度最高的检测器：它监视 AFALG 活动，提取 authencesn 绑定尝试，跟踪可疑的 splice 用法，并将这些事件关联为高置信度的漏洞利用链告警。 快速开始...

Linux Distros Unpatched Vulnerability : CVE-2026-32148

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Insufficient Verification of Data Authenticity vulnerability in hexpm hex Hex.RemoteConverger module allows dependency integrity bypass via unverified lockfile...

Rocky Linux 10.2 [CIQ] Security Update: go-toolset / golang / golang-bin / golang-docs / golang-misc / etc Multiple Vulnerabilities (crlsa-2026_22120)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202622120 advisory. net/mail: golang: net/mail: Denial of Service via pathological email address parsing CVE-2026-42499 cmd/go: golang: Go command cmd/go: Integrity bypass...

Rocky Linux 8 [CIQ] Security Update: delve / delve-debuginfo / delve-debugsource / go-toolset / golang / etc Multiple Vulnerabilities (crlsa-2026_22112)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202622112 advisory. net/mail: golang: net/mail: Denial of Service via pathological email address parsing CVE-2026-42499 cmd/go: golang: Go command cmd/go: Integrity bypass du...

Rocky Linux 9 [CIQ] Security Update: go-toolset / golang / golang-bin / golang-docs / golang-misc / etc Multiple Vulnerabilities (crlsa-2026_22121)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202622121 advisory. net/mail: golang: net/mail: Denial of Service via pathological email address parsing CVE-2026-42499 cmd/go: golang: Go command cmd/go: Integrity bypass du...

CVE-2026-90333

A flaw was found in the Linux kernel's device-mapper integrity dm-integrity target. This vulnerability allows an attacker with raw write access to the backing device, but without the integrity key, to bypass data integrity checks. By stamping any block with a specially crafted discard filler tag,...

CVE-2026-102508 Apache PLC4X: OPC UA secure channel: integrity bypass, unverifiable server certificate, and silent downgrade

Improper Verification of Cryptographic Signature and Improper Certificate Validation in the OPC UA driver of Apache PLC4X PLC4J allows an attacker in a network position between client and server to impersonate the OPC UA server and to read, forge or modify secure-channel traffic, including user...

CVE-2026-102508 Apache PLC4X: OPC UA secure channel: integrity bypass, unverifiable server certificate, and silent downgrade

Improper Verification of Cryptographic Signature and Improper Certificate Validation in the OPC UA driver of Apache PLC4X PLC4J allows an attacker in a network position between client and server to impersonate the OPC UA server and to read, forge or modify secure-channel traffic, including user...

CVE-2026-102508

The Apache PLC4X (PLC4J) OPC UA driver is vulnerable to integrity bypass , unverifiable server certificates , and silent downgrades in versions 0.9.0 through 0.13.1 . The root cause involves improper cryptographic signature verification and lack of trust anchors: versions 0.9.0–0.11.0 fail to enf...

CLEANSTART-2026-EM39649 malicious GOPROXY was previously capable of forging up to two sumdb tiles that allow for a requested module to bypass the GOSUMDB check and persist attacker-controlled module content to a local Go ...

CVE-2026-56865 affects multiple packages. A malicious GOPROXY was previously capable of forging up to two sumdb tiles that allow for a requested module to bypass the GOSUMDB check and persist attacker-controlled module content to a local Go module cache. See references for individual vulnerabilit...

CVE-2025-15556-Notepad-WinGUp-Updater-RCE

影響を受けるソフトウェア: WinGUpアップデーターを使用する8.8.9より前のNotepad++バージョン。 脆弱性タイプ: 任意のコード実行につながるアップデート整合性検証のバイパス 説明: WinGUpアップデーターはアップデートメタデータの整合性を適切に検証しないため、アップデートトラフィックを傍受またはリダイレクトできる攻撃者が、ユーザー権限で実行される悪意のあるインストーラーを配布できるようになります。 また、参考用にexploit.py（中間者攻撃プロキシ）と、仲間のプレイヤー向けのHTBフレンドリー版（DNSスプーフィングシミュレーション）も含めました。...

openssl: CMS AuthEnvelopedData Processing May Accept Forged Messages

A flaw was found in OpenSSL's Cryptographic Message Services CMS AuthEnvelopedData processing. An on-path attacker can exploit insufficient input validation on cipher and tag length fields by sending specially crafted CMS messages. This can lead to the forging of messages or bypassing integrity...

EUVD-2026-81994

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: replace forgeable discard filler with a keyed sector marker The discard-block check in dmintegrityrwtag treats a stored tag of all 0xf6 bytes DISCARDFILLER as proof a block was discarded and skips HMAC verification...

Astra Linux – Vulnerabilities in paramiko, libssh, libssh2, erlang, openssh

The SSH transport protocol, with certain OpenSSH extensions, found in OpenSSH versions prior to 9.6 and other products, allows remote attackers to bypass integrity checks. As a result, some packets may be omitted from the extension negotiation message. Consequently, the client and server may end ...

Ubuntu 24.04 LTS / 26.04 LTS / Pro Realtime 24.04 LTS : GnuPG vulnerability (USN-8720-1)

The remote Ubuntu 24.04 LTS / 26.04 LTS / Pro Realtime 24.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8720-1 advisory. It was discovered that GnuPG incorrectly validated authentication tag lengths when parsing CMS messages encrypted with AES-GC...

K000163232: libssh vulnerability CVE-2026-59847

Security Advisory Description A flaw was found in libssh. Incorrect AES-GCM finalization checks in builds using the OpenSSL backend can effectively remove integrity protection, allowing an in-path attacker to modify plaintext on the wire without detection. CVE-2026-59847 Impact There is no impact...

USN-8720-1: GnuPG vulnerability

It was discovered that GnuPG incorrectly validated authentication tag lengths when parsing CMS messages encrypted with AES-GCM. An attacker could possibly use this issue to bypass message integrity checks...

USN-8720-1 gnupg2 vulnerability

It was discovered that GnuPG incorrectly validated authentication tag lengths when parsing CMS messages encrypted with AES-GCM. An attacker could possibly use this issue to bypass message integrity checks...

PT-2026-85369

It was discovered that GnuPG incorrectly validated authentication tag lengths when parsing CMS messages encrypted with AES-GCM. An attacker could possibly use this issue to bypass message integrity checks...