目标达成 感谢每一位支持者 — 我们达成了 100% 目标!

目标: 1000 元 · 已筹: 1359 元

100%

CVE-2024-27398 PoC — Linux kernel 安全漏洞

来源
关联漏洞
标题: Linux kernel 安全漏洞 (CVE-2024-27398)
Description:Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞,该漏洞源于存在释放后重用问题。
Description
CVE-2024-27398 POC
介绍
# CVE-2024-27398
CVE-2024-27398 POC

# Dmesg Output
![PoC Screenshot](ss1_poc.png)

## 📍 GDB Breakpoints
```gdb
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
(gdb) file vmlinxsef680 
Reading symbols from vmlinxsef680...
(gdb) target remote :1234
Remote debugging using :1234

(gdb) i b
Num     Type           Disp Enb Address            What
50      breakpoint     keep y   0xffffffff81e22640 in sco_sock_connect at net/bluetooth/sco.c:569
	breakpoint already hit 2 times
51      breakpoint     keep y   0xffffffff81e236e0 in sco_sock_release at net/bluetooth/sco.c:1237
	breakpoint already hit 2 times
52      breakpoint     keep y   0xffffffff81e22ef0 in sco_conn_del at net/bluetooth/sco.c:182

(gdb) p sock->sk
$224 = (struct sock *) 0xffff88810a2ee400
(gdb) x/gx 0xffff88810a2ee400 + 0x2a8
0xffff88810a2ee6a8:	0xffffffff81bd3390
(gdb) c
Continuing.

Thread 1 hit Breakpoint 38, sco_sock_connect (sock=0xffff88810d28d040, addr=0xffffc9000062fe80, alen=8, flags=2050) at net/bluetooth/sco.c:569
569		release_sock(sk);
(gdb) x/gx 0xffff88810a2ee400 + 0x2a8 // obj 1 offset
0xffff88810a2ee6a8:	0xffffffff81bd3390
(gdb) x/gx 0xffff88810a2ee400 + 0x2a8 // 
0xffff88810a2ee6a8:	0xffffffff81bd3390
(gdb) x/gx 0xffff88810a2ee400 + 0x2b0 // obj 2 offset
0xffff88810a2ee6b0:	0xffffffff81bd34b0
(gdb) x/gx 0xffff88810a2ee400 + 0x2a0 //obj 3 offset
0xffff88810a2ee6a0:	0xffffffff81bd17b0


文件快照

登录后查看神龙缓存的 POC 文件快照

登录查看
备注
    1. 建议优先通过来源进行访问。
    2. 本地 POC 快照面向订阅用户开放;当原始来源失效或无法访问时,本地镜像作为订阅权益的一部分提供。
    3. 持续抓取、验证、维护这份 POC 档案需要不少投入,因此本地快照已纳入付费订阅。您的订阅是让这份资料能继续走下去的关键,由衷感谢。 查看订阅方案 →