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Message-ID: <20110629042440.GC18344@kroah.com> Date: Tue, 28 Jun 2011 21:24:40 -0700 From: Greg KH <greg@...ah.com> To: John Johansen <john.johansen@...onical.com> Cc: linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org Subject: Re: [PATCH 2/2] AppArmor: Fix masking of capabilities in complain mode On Wed, Jun 29, 2011 at 02:44:34AM +0100, John Johansen wrote: > AppArmor is masking the capabilities returned by capget against the > capabilities mask in the profile. This is wrong, in complain mode the > profile has effectively all capabilities, as the profile restrictions are > not being enforced, merely tested against to determine if an access is > known by the profile. > > This can result in the wrong behavior of security conscience applications > like sshd which examine their capability set, and change their behavior > accordingly. In this case because of the masked capability set being > returned sshd fails due to DAC checks, even when the profile is in complain > mode. > > Kernels affected: 2.6.36 - 3.0. > > Signed-off-by: John Johansen <john.johansen@...onical.com> > --- You say that multiple kernels are affected, then why not also include stable@...nel.org here as well? confused, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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