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Index: Linux-PAM/modules/pam_unix/pam_unix_passwd.c
===================================================================
--- Linux-PAM/modules/pam_unix/pam_unix_passwd.c.orig
+++ Linux-PAM/modules/pam_unix/pam_unix_passwd.c
@@ -1323,6 +1323,16 @@
}
}
+ /* A null pointer here indicates a memory failure
+ somewhere along the way; don't set the password to
+ NULL! */
+ if (tpass == NULL) {
+ pam_syslog(pamh, LOG_CRIT,
+ "out of memory for password");
+ pass_new = pass_old = NULL; /* tidy up */
+ return PAM_BUF_ERR;
+ }
+
D(("password processed"));
/* update the password database(s) -- race conditions..? */
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