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Gentoo's Bugzilla – Attachment 37125 Details for
Bug 59905
sys-kernel/*: Potential security issue in /proc/cmdline
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[patch]
2.4 Patch
cmdlineLeak-2.4.patch (text/plain), 388 bytes, created by
Tim Yamin (RETIRED)
on 2004-08-09 15:32:27 UTC
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Description:
2.4 Patch
Filename:
MIME Type:
Creator:
Tim Yamin (RETIRED)
Created:
2004-08-09 15:32:27 UTC
Size:
388 bytes
patch
obsolete
>--- linux-2.4/fs/proc/base.c 2004-04-15 07:09:32.000000000 +0100 >+++ linux-2.4/fs/proc/base.c.plasmaroo 2004-08-09 23:30:43.869195800 +0100 >@@ -187,7 +187,7 @@ static int proc_pid_cmdline(struct task_ > if (mm) > atomic_inc(&mm->mm_users); > task_unlock(task); >- if (mm) { >+ if (mm && mm->arg_end) { > int len = mm->arg_end - mm->arg_start; > if (len > PAGE_SIZE) > len = PAGE_SIZE;
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37126