https://github.com/adysec/cve-2026-31431

CVE-2026-31431: Copy Fail | A minimal exploit for Linux authencesn + AF_ALG + splice() page cache write.
https://github.com/adysec/cve-2026-31431

Last synced: 20 days ago
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CVE-2026-31431: Copy Fail | A minimal exploit for Linux authencesn + AF_ALG + splice() page cache write.

• Host: GitHub
• URL: https://github.com/adysec/cve-2026-31431
• Owner: adysec
• Created: 2026-04-30T04:25:00.000Z (2 months ago)
• Default Branch: main
• Last Pushed: 2026-04-30T04:30:27.000Z (2 months ago)
• Last Synced: 2026-04-30T06:15:28.815Z (2 months ago)
• Language: Rust
• Size: 5.86 KB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# cve-2026-31431

732 Bytes to Root on Every Major Linux Distribution

A minimal exploit for Linux authencesn + AF_ALG + splice() page cache write.

## 编译

本项目使用 Rust 和 Cargo，生成 release 版本：

```bash

rustup target add x86_64-unknown-linux-musl

cargo build --release --target x86_64-unknown-linux-musl

```

> 如果尚未安装 `musl` 工具链，可能还需要安装系统的 `musl-tools` 或 `musl-gcc`。

## 注意

- 该程序会尝试打开 `/usr/bin/su` 并利用 CVE-2026-31431 的触发路径。

- 运行时需要合适的平台和权限。