search for: send_sigio

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1998 Jul 01
4
Serious Linux 2.0.34 security problem (fwd)
...SIGIO - press enter.\n"); getchar(); fcntl(0,F_SETFL,s&~O_ASYNC); printf("SIGIO send attempted.\n"); return 0; } This can kill from a normal user account the inetd process under Linux 2.0.34 by sending a SIGIO. Very bad. The fix is to invert !euid to euid in fs/fcntl.c:send_sigio(); line number is approximately 139. David.
1998 Jun 30
1
Patched Qpopper2.5 release Notification. (fwd)
...SIGIO - press enter.\n"); getchar(); fcntl(0,F_SETFL,s&~O_ASYNC); printf("SIGIO send attempted.\n"); return 0; } This can kill from a normal user account the inetd process under Linux 2.0.34 by sending a SIGIO. Very bad. The fix is to invert !euid to euid in fs/fcntl.c:send_sigio(); line number is approximately 139. David. From mail@mail.redhat.com Sun Jul 5 10:06:02 1998 Received: (qmail 20330 invoked from network); 5 Jul 1998 08:10:30 -0000 Received: from 3dyn101.delft.casema.net (HELO rosie.BitWizard.nl) (root@195.96.104.101) by mail2.redhat.com with SMTP; 5 Jul 199...