Gentoo Archives: gentoo-security

From: nick loeve <trickie@×××××.com>
To: gentoo-security@l.g.o
Subject: Re: [gentoo-security] Kernel Security + KISS
Date: Thu, 21 Feb 2008 09:15:04
Message-Id: 83c2b2e00802210114q1d5beba5gcaa478df808020d6@mail.gmail.com
In Reply to: Re: [gentoo-security] Kernel Security + KISS by Arthur Bispo de Castro
1 I can help also... i have limited free time but am willing to put in
2 some hours...
3
4 I have medium C knowledge, reasonable kernel experience, and also a
5 strong linux background
6
7 On Thu, Feb 21, 2008 at 8:02 AM, Arthur Bispo de Castro
8 <arthur@××××××××××××××.br> wrote:
9 > I'm interested... little C knowledge, very curious about kernel, strong
10 > linux background...
11 >
12 > is there another prereq to join this?
13 >
14 >
15 >
16 > On Thu, Feb 21, 2008 at 04:20:02AM -0200, Juan Pablo Olivera wrote:
17 > > I am interested too :)
18 > >
19 > > No C knowledge but strong linux background and very organized guy.
20 > >
21 > > On Thu, 2008-02-21 at 01:05 -0500, Casey Link wrote:
22 > > > It would probably help if we knew how many people were interested.
23 > > >
24 > > > I am. +1
25 > > >
26 > > > Casey
27 > > >
28 > > > On Wed, Feb 20, 2008 at 10:16 PM, Eduardo Tongson <propolice@×××××.com> wrote:
29 > > > > Alright how do we proceed to get this team started.
30 > > > >
31 > > > > ed*eonsec
32 > > > >
33 > > > >
34 > > > >
35 > > > > On Thu, Feb 21, 2008 at 6:55 AM, Ned Ludd <solar@g.o> wrote:
36 > > > > >
37 > > > > >
38 > > > > > On Wed, 2008-02-20 at 13:59 -0500, Harlan Lieberman-Berg wrote:
39 > > > > > > On Sunday 17 February 2008 23:12:35 Robert Buchholz wrote:
40 > > > > > > > On Sunday, 17. February 2008, Eduardo Tongson wrote:
41 > > > > > > > > What specific kernel knowledge is needed to get a Kernel advisory up
42 > > > > > > > > and running ?
43 > > > > > > >
44 > > > > > > > Between becoming aware of a vulnerability in Linux and drafting an advisory
45 > > > > > > > for one or all kernel sources comes the part where you review which
46 > > > > > > > versions of which kernel sources are affected and unaffected. You also
47 > > > > > > > need to pay attention to specifics of the added patchsets, which might
48 > > > > > > > duplicate vulnerabilities.
49 > > > > > > >
50 > > > > > > > Parts of the job can indeed be done without Kernel and C knowledge, but
51 > > > > > > > some cannot. So if we draft a new kernel security *team*, people without C
52 > > > > > > > and kernel knowledge are helpful -- some others need to have it, though.
53 > > > > > > >
54 > > > > > > > Robert
55 > > > > > >
56 > > > > > > To be honest, 99% of what is done in the kernel security team can be done with
57 > > > > > > no C knowledge at all.
58 > > > > > >
59 > > > > > > I'm not an expert C person - far from it - but I eventually became the head of
60 > > > > > > Kernel Security until I retired a few months ago.
61 > > > > > >
62 > > > > > > Most of it is bug handling. The major problem is a social, not a technical
63 > > > > > > one. Because of the manner in which our kernels are organized, a single
64 > > > > > > vulnerability involves checking upstream version numbers, coordinating them
65 > > > > > > into our downstream version numbers for all sources, checking to see if the
66 > > > > > > sources are effected, figuring out who to CC for the bugs, then harassing
67 > > > > > > them until they do it.
68 > > > > > >
69 > > > > > > Unlike other security sources, any attempt to hardmask the package is shutdown
70 > > > > > > instantly. The chaos that would result from a kernel hardmask, even one of
71 > > > > > > the lesser used ones, caused me to only successfully order one over my entire
72 > > > > > > career in Gentoo Kernsec... even though more around 30 would have been
73 > > > > > > needed. It is not infrequently that bugs will last six months without any
74 > > > > > > action coming about them, and users are blissfully unaware.
75 > > > > > >
76 > > > > > > I am happy to give my input as the former head of Kernel Security, but it is
77 > > > > > > my personal opinion that any advances in kernel security will require the
78 > > > > > > full cooperation of security, and letting the head of kernel security be able
79 > > > > > > to actually enforce threats, as that seems to be the only way bugs ever get
80 > > > > > > resolved. Pleading didn't work - I tried.
81 > > > > > >
82 > > > > > > -Harlan Lieberman-Berg
83 > > > > > > Gentoo Developer Emeritus
84 > > > > >
85 > > > > >
86 > > > > > Every word of what you said is painfully true. The only way to
87 > > > > > accomplish this would be with an Iron Fist(fail) or a team of ~15 guys
88 > > > > > who do nothing but patch and push new kernels and the PR that goes along
89 > > > > > with them every few days.
90 > > > > > --
91 > > > > > Ned Ludd <solar@g.o>
92 > > > > >
93 > > > > >
94 > > > > >
95 > > > > > --
96 > > > > > gentoo-security@l.g.o mailing list
97 > > > > >
98 > > > > >
99 > > > > --
100 > > > > gentoo-security@l.g.o mailing list
101 > > > >
102 > > > >
103 > >
104 > > --
105 > > gentoo-security@l.g.o mailing list
106 >
107 > --
108 > Arthur Bispo de Castro
109 > Laboratório de Administração e Segurança (LAS/IC)
110 > Universidade Estadual de Campinas (UNICAMP)
111 > --
112 >
113 >
114 > gentoo-security@l.g.o mailing list
115 >
116 >
117
118
119
120 --
121 Nick Loeve
122 www.trickie.org

Replies

Subject Author
Re: [gentoo-security] Kernel Security + KISS George Prowse <cokehabit@×××××.com>