Bruce Evans wrote:
It had rotted further since then (as half threatened in rev.1.9) to
passing the process pointer so that it can mess up p-p_acflag. This
results in the ASU flag always being set in p-p_acflag for root,
although no special privilege is required for root to operate on ipc
On Thu, 2 Mar 2000, Brian Dean wrote:
Resisting the temptation to cut-and-paste (resulting in the lost
tabs), and incorporating your other suggestions, how about this
version?
Index: sysv_ipc.c
===
RCS file:
4.0 had a security bug which would let any user EXCEPT root delete a SYSV
semaphore (the sense of a test was reversed). No other releases were
affected - rebuild your kernels if this is an issue. Good catch, Brian!
For "revision 1.8" in the below read "revision 1.9" (Jan 30, 1999).
--
-- Forwarded message --
Date: Wed, 1 Mar 2000 21:03:22 -0500 (EST)
From: Brian Dean [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Subject: Re: cvs commit: src/sys/kern sysv_ipc.c
[SNIP - KK]
The bug is very easily tested/verified: just create a