Linux kernel < 3.5 *Null Pointer Dereference*

Null pointer dereference -_-
affected version: < 3.5 linux kernel

4R!F,CAMOUFL4G3,EMINGH @Azdefacers


`bu nömrəyə zəng çatmır telefon ya söndürülüb yada əhatə dairəsi xaricindədir xahiş edirik biraz sonra zəng edəsiniz`

[ 2674.778679] Pid: 715, comm: ebana-qaşqaldağ Not tainted 3.5.0-18-generic
[ 2674.779165] EIP: 0060:[<f837f3d5>] EFLAGS: 00010286 CPU: 0
[ 2674.779673] EIP is at 0xf837f3d5+0x215/*** [******]
[ 2674.779977] EAX: f6088cc0 EBX: f63a7e14 ECX: f6088cd8 EDX: 00000000
[ 2674.780284] ESI: 00000000 EDI: f63a6000 EBP: f63a7d20 ESP: f63a7c84
[ 2674.780634] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 2674.780957] Process ebana-qaşqaldağ (pid: 715, ti=f63a6000 task=f58b58d0 task.ti=f63a6000)
[ 2674.781380] Stack:
[ 2674.781849] f63a7cf8 00000080 f635e000 f63a7cec 00000008 f635e000 00000080 f63a7cf4
[ 2674.782996] <0> 00000080 00000000 f63a7ccc f63a7e14 f63a7f1c 00092cd8 f6263600 00000000
[ 2674.784357] <0> f63a6000 00000088 f63a7c90 c02193b6 00000002 00000000 00000000 f63a7cec


[ 2674.773316] BUG: unable to handle kernel NULL pointer dereference at 00000008
[ 2674.800483] EIP: [<f837f3d5>] 0xf837f3d5+0x215/*** [*****] SS:ESP 0068:f63a7c84

root@ubuntu:~# gdb -c /proc/kcore 
[New <main task>]
Core was generated by `BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic root=UUID=2165eadf-1277-4482-98e0-5fb'.
#0 0x00000000 in ?? ()

 0xf837f3d5: mov edx,DWORD PTR [esi+0x8] <======= null pointer dereference
 0xf837f3d8: mov DWORD PTR [ecx+0x18],0x4e2
 0xf837f3df: mov DWORD PTR [ecx+0xc],edx
 0xf837f3e2: mov edx,DWORD PTR ds:0xc07c5a40
 0xf837f3e8: mov DWORD PTR [ecx+0x1c],edx
 0xf837f3eb: mov edx,DWORD PTR ds:0xf8380cc4
 0xf837f3f1: mov DWORD PTR [ebp-0x30],edx
 0xf837f3f4: mov DWORD PTR [ecx+0x14],edx
 0xf837f3f7: add edx,0x1
 0xf837f3fa: mov DWORD PTR ds:0xf8380cc4,edx
 0xf837f400: mov edx,DWORD PTR [esi]
 0xf837f402: mov DWORD PTR [eax+0x18],edx
 0xf837f405: mov edx,DWORD PTR [esi+0x4]
 0xf837f408: mov DWORD PTR [ecx+0x4],edx
 0xf837f40b: mov edx,DWORD PTR [esi+0x8]
 0xf837f40e: mov DWORD PTR [ecx+0x8],edx
 0xf837f411: mov edx,eax
 0xf837f413: mov eax,0xf8380cc8
 0xf837f418: call 0xc04ec3c0
 0xf837f41d: mov edi,DWORD PTR [ebp-0x54]
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