-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2021:4645-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4645 Issue date: 2021-11-15 CVE Names: CVE-2021-43267 ===================================================================== 1. Summary: An update is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux BaseOS (v. 8) - ppc64le, x86_64 3. Description: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Security Fix(es): * kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type (CVE-2021-43267) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 2020362 - CVE-2021-43267 kernel: Insufficient validation of user-supplied sizes for the MSG_CRYPTO message type 6. Package List: Red Hat Enterprise Linux BaseOS (v. 8): Source: kpatch-patch-4_18_0-348-1-1.el8.src.rpm ppc64le: kpatch-patch-4_18_0-348-1-1.el8.ppc64le.rpm kpatch-patch-4_18_0-348-debuginfo-1-1.el8.ppc64le.rpm kpatch-patch-4_18_0-348-debugsource-1-1.el8.ppc64le.rpm x86_64: kpatch-patch-4_18_0-348-1-1.el8.x86_64.rpm kpatch-patch-4_18_0-348-debuginfo-1-1.el8.x86_64.rpm kpatch-patch-4_18_0-348-debugsource-1-1.el8.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2021-43267 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYZJxjtzjgjWX9erEAQiVyw/9FK7JyigLBhM1KFM5qt5j2on6e3lxkR+F KUGgu5QTBzOIaib8g8hiAWV5zz5oeqTjxseHKdEt5uoqav0MzDnY0HcjPIaIHYXT WDYnN9EBOGqSsXgEHXotchh6QZROpX2RiBA2tKxhV99ZkoGf6FhXzkO3kkbNGAo2 71tzr6bopwPtaX/h2lVb5fgb4+zNwCSdfLUqAwnlkt7JhIYRLMr7SkU9ryNHjXJh IIOjlOMt0NYL+6CMa9KFwZKQJAU5z/BRm2DB5PUvec2LxMDXlOHkmVymIvwqqSju DUjX+imScuh1yNpBDhgjwF6g4e5Gj2Nr4kYVCEBjWy9ontUSItu4GMOaI9vwq5SR aiIq5wzxKe2vp75qACbiml2f5g5+uPuBI8CUnxHGXv8Rq5SdcMVaNyuDmvkluVTi Sz7uP5fdY/iYkZ/zY4YSLGe36xgWfEV8Zk22IZ/Co+/UDk1Dh+RR7jE9IZ02QFZH 3d1lhNpqAi8SCFh7zDRBnFvmJ0UGl+7JkJrMC4WhACPfmMgtkjD0Uvhko+a7tPy7 2Vf7MXtYuTfhJXNe/OxZi6mLbZlpDA1QUjaRBzlVRLxGzpBqvRWMQjXB4JKp/bI4 xHbjH7/DcrmeudoZSALa3WTGedrB084NOmrS81upi7Ic/PuQv7oaIQX5GK3pq2HT a6aaPoP9UG4= =wms6 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce