From: Steve Grubb <sgrubb@redhat.com>
To: "linux-integrity@vger.kernel.org"
<linux-integrity@vger.kernel.org>,
linux-audit@redhat.com, Mimi Zohar <zohar@linux.ibm.com>
Cc: "dmitry.kasatkin@gmail.com" <dmitry.kasatkin@gmail.com>,
BARVAUX Didier <Didier.BARVAUX@viveris.fr>,
THOBY Simon <Simon.THOBY@viveris.fr>
Subject: Re: [PATCH v7 0/5] IMA: restrict the accepted digest algorithms for the security.ima xattr
Date: Wed, 11 Aug 2021 20:17:54 -0400 [thread overview]
Message-ID: <3123021.aeNJFYEL58@x2> (raw)
In-Reply-To: <2072391.irdbgypaU6@x2>
Hello,
On Wednesday, August 11, 2021 7:53:15 PM EDT Steve Grubb wrote:
> On Wednesday, August 11, 2021 3:40:51 PM EDT Mimi Zohar wrote:
> > On Wed, 2021-08-11 at 11:40 +0000, THOBY Simon wrote:
> > Other than the two questions on " IMA: add a policy option to restrict
> > xattr hash algorithms on appraisal" patch, the patch set is looking
> > good.
> >
> > thanks,
> >
> > Mimi
> >
> > > Here is also a short description of the new audit messages, but I can
> > > send it in a followup mail if that is not the proper place:
> > >
> > > When writing the xattr with an algorithm not built in the kernel (here
> > > the kernel was built with CONFIG_CRYPTO_MD5 unset), e.g. with
> > >
> > > "evmctl ima_hash -a md5 /usr/bin/strace":
> > > audit(1628066120.418:121): pid=1344 uid=0 auid=0 ses=1
> > > subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 op=set_data
> > > cause=unavailable-hash-algorithm comm="evmctl" name="/usr/bin/
strace"
> > > dev="dm-0" ino=2632657 res=0 errno=0>
>
> Is this audit event accurate? I seem to be seeing name=value=value. I'm
> hoping this is a copy/paste/mail client issue.
Sorry for the noise...I see there is a space in there.
-Steve
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WARNING: multiple messages have this Message-ID (diff)
From: Steve Grubb <sgrubb@redhat.com>
To: "linux-integrity@vger.kernel.org"
<linux-integrity@vger.kernel.org>,
linux-audit@redhat.com, Mimi Zohar <zohar@linux.ibm.com>
Cc: THOBY Simon <Simon.THOBY@viveris.fr>,
"dmitry.kasatkin@gmail.com" <dmitry.kasatkin@gmail.com>,
BARVAUX Didier <Didier.BARVAUX@viveris.fr>
Subject: Re: [PATCH v7 0/5] IMA: restrict the accepted digest algorithms for the security.ima xattr
Date: Wed, 11 Aug 2021 20:17:54 -0400 [thread overview]
Message-ID: <3123021.aeNJFYEL58@x2> (raw)
In-Reply-To: <2072391.irdbgypaU6@x2>
Hello,
On Wednesday, August 11, 2021 7:53:15 PM EDT Steve Grubb wrote:
> On Wednesday, August 11, 2021 3:40:51 PM EDT Mimi Zohar wrote:
> > On Wed, 2021-08-11 at 11:40 +0000, THOBY Simon wrote:
> > Other than the two questions on " IMA: add a policy option to restrict
> > xattr hash algorithms on appraisal" patch, the patch set is looking
> > good.
> >
> > thanks,
> >
> > Mimi
> >
> > > Here is also a short description of the new audit messages, but I can
> > > send it in a followup mail if that is not the proper place:
> > >
> > > When writing the xattr with an algorithm not built in the kernel (here
> > > the kernel was built with CONFIG_CRYPTO_MD5 unset), e.g. with
> > >
> > > "evmctl ima_hash -a md5 /usr/bin/strace":
> > > audit(1628066120.418:121): pid=1344 uid=0 auid=0 ses=1
> > > subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 op=set_data
> > > cause=unavailable-hash-algorithm comm="evmctl" name="/usr/bin/
strace"
> > > dev="dm-0" ino=2632657 res=0 errno=0>
>
> Is this audit event accurate? I seem to be seeing name=value=value. I'm
> hoping this is a copy/paste/mail client issue.
Sorry for the noise...I see there is a space in there.
-Steve
next prev parent reply other threads:[~2021-08-12 0:20 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-11 11:40 [PATCH v7 0/5] IMA: restrict the accepted digest algorithms for the security.ima xattr THOBY Simon
2021-08-11 11:40 ` [PATCH v7 1/5] IMA: remove the dependency on CRYPTO_MD5 THOBY Simon
2021-08-11 11:40 ` [PATCH v7 2/5] IMA: block writes of the security.ima xattr with unsupported algorithms THOBY Simon
2021-08-11 11:40 ` [PATCH v7 3/5] IMA: add support to restrict the hash algorithms used for file appraisal THOBY Simon
2021-08-11 11:40 ` [PATCH v7 5/5] IMA: introduce a new policy option func=SETXATTR_CHECK THOBY Simon
2021-08-11 11:40 ` [PATCH v7 4/5] IMA: add a policy option to restrict xattr hash algorithms on appraisal THOBY Simon
2021-08-11 16:26 ` Mimi Zohar
2021-08-12 8:06 ` THOBY Simon
2021-08-12 13:16 ` Mimi Zohar
2021-08-12 18:31 ` Mimi Zohar
2021-08-13 7:17 ` THOBY Simon
2021-08-13 12:49 ` Mimi Zohar
2021-08-11 19:40 ` [PATCH v7 0/5] IMA: restrict the accepted digest algorithms for the security.ima xattr Mimi Zohar
2021-08-11 19:40 ` Mimi Zohar
2021-08-11 23:53 ` Steve Grubb
2021-08-11 23:53 ` Steve Grubb
2021-08-12 0:17 ` Steve Grubb [this message]
2021-08-12 0:17 ` Steve Grubb
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