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Date: Wed, 15 May 2013 16:01:54 +0400
From: Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org>
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Subject: Re: [sisyphus] I: kernel local root vulnerability (CVE-2013-2094)
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On Wed, May 15, 2013 at 02:35:18AM +0300, Michael Shigorin wrote:
> 	=FA=C4=D2=C1=D7=D3=D4=D7=D5=CA=D4=C5.
> =F7 =D1=C4=D2=C5 Linux =CF=D4 2.6.37 =C4=CF 3.8.8 (3.8.9?) =D7=CB=CC=C0=
=DE=C9=D4=C5=CC=D8=CE=CF =D0=D2=C9 =CE=C1=CC=C9=DE=C9=C9
> CONFIG_PERF_EVENTS=3Dy (=D5 =CE=C1=D3 =D7=CB=CC=C0=DE=C5=CE=CF =D7 std-de=
f, un-def, led-ws
> =C9=DA =D4=CF=C7=CF, =DE=D4=CF =D0=CF=C4 =D2=D5=CB=CF=CA) =D0=D2=C9=D3=D5=
=D4=D3=D4=D7=D5=C5=D4 =D5=D1=DA=D7=C9=CD=CF=D3=D4=D8, =C4=CC=D1 =CB=CF=D4=
=CF=D2=CF=CA
> =D4=C5=D0=C5=D2=D8 =C4=CF=D3=D4=D5=D0=C5=CE =D0=D5=C2=CC=C9=DE=CE=D9=CA =
=DC=CB=D3=D0=CC=CF=CA=D4 =D3 =D0=CF=CC=D5=DE=C5=CE=C9=C5=CD =CC=CF=CB=C1=CC=
=D8=CE=CF=C7=CF =D2=D5=D4=C1:
> https://news.ycombinator.com/item?id=3D5703758
> http://packetstormsecurity.com/files/121616/semtex.c
>=20
> =F7=D2=C5=CD=C5=CE=CE=D9=CA =CF=C2=DF=C5=DA=C4 =C4=CF =CF=C2=CE=CF=D7=CC=
=C5=CE=C9=D1 =D1=C4=D2=C1 =C4=CF =C9=D3=D0=D2=C1=D7=CC=C5=CE=CE=D9=C8 =D3=
=C2=CF=D2=CF=CB
> (=D3=CD. https://bugzilla.redhat.com/show_bug.cgi?id=3D962792#c7):
>=20
> sysctl kernel.perf_event_paranoid=3D2
> echo "kernel.perf_event_paranoid=3D2" >> /etc/sysctl.d/CVE-2013-2094.conf

=FC=D4=C1 =C4=D9=D2=C1 =CE=C5=C1=CB=D4=D5=C1=CC=D8=CE=C1 =C4=CC=D1 =CD=CE=
=CF=C7=C9=C8 =CE=C1=DB=C9=C8 =D1=C4=C5=D2 =D5=D6=C5 =D3 =CB=CF=CE=C3=C1 =C1=
=D0=D2=C5=CC=D1.=20
=EF=C2=CC=C1=C4=C1=D4=C5=CC=D1=CD =D3=D7=C5=D6=C9=C8 =D1=C4=C5=D2 std-def, =
std-pae =C9 un-def =C9=DA p6, t6, p7
=C9 sisyphus =CE=C5 =CF =DE=C5=CD =C2=C5=D3=D0=CF=CB=CF=C9=D4=D8=D3=D1.

--=20
glebfm
=E7=CC=C5=C2 =E6=CF=D4=C5=CE=C7=C1=D5=DC=D2-=ED=C1=CC=C9=CE=CF=D7=D3=CB=C9=
=CA