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Fri, 14 Jul 2023 22:11:13 GMT Received: from smtpav02.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 06D2F5805C; Fri, 14 Jul 2023 22:11:13 +0000 (GMT) Received: from smtpav02.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 885835805A; Fri, 14 Jul 2023 22:11:12 +0000 (GMT) Received: from li-f45666cc-3089-11b2-a85c-c57d1a57929f.ibm.com (unknown [9.61.79.213]) by smtpav02.dal12v.mail.ibm.com (Postfix) with ESMTP; Fri, 14 Jul 2023 22:11:12 +0000 (GMT) Message-ID: Subject: Re: [PATCH] certs: Reference revocation list for all keyrings From: Mimi Zohar To: Eric Snowberg , dhowells@redhat.com, jarkko@kernel.org, dwmw2@infradead.org Cc: keyrings@vger.kernel.org, linux-kernel@vger.kernel.org, kanth.ghatraju@oracle.com, konrad.wilk@oracle.com Date: Fri, 14 Jul 2023 18:11:12 -0400 In-Reply-To: <20230117171506.3888602-1-eric.snowberg@oracle.com> References: <20230117171506.3888602-1-eric.snowberg@oracle.com> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.28.5 (3.28.5-22.el8) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: oGJZk1B8EOumB9thbJUq1cHoQm5DppP8 X-Proofpoint-ORIG-GUID: HtactTUtKfJ0xnOJm69Hdb5fIYasUXa6 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-14_10,2023-07-13_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 adultscore=0 spamscore=0 mlxscore=0 suspectscore=0 mlxlogscore=999 impostorscore=0 phishscore=0 clxscore=1011 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307140202 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H5, RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2023-01-17 at 12:15 -0500, Eric Snowberg wrote: > Systems booted with shim have a Forbidden Signature Database called mokx. > During boot, hashes and certs contained within the mokx are loaded into the > blacklist keyring. When calling verify_pkcs7_message_sig the contents of > the blacklist keyring (or revocation list) are referenced when validating > keys on the platform keyring. Currently, when validating against the > secondary or builtin keyrings, the revocation list is not referenced. Move > up the check to allow the revocation list to be used with all keyrings, > including the secondary and builtin, allowing the system owner to take > corrective action should a vulnerability be found within keys contained > within either keyring. > > Signed-off-by: Eric Snowberg Reviewed-by: Mimi Zohar