-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2021:4644-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4644 Issue date: 2021-11-15 CVE Names: CVE-2021-43267 ==================================================================== 1. Summary: An update is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. 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 EUS (v.8.4) - 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 EUS (v.8.4): Source: kpatch-patch-4_18_0-305-1-8.el8.src.rpm kpatch-patch-4_18_0-305_10_2-1-5.el8_4.src.rpm kpatch-patch-4_18_0-305_12_1-1-4.el8_4.src.rpm kpatch-patch-4_18_0-305_17_1-1-3.el8_4.src.rpm kpatch-patch-4_18_0-305_19_1-1-3.el8_4.src.rpm kpatch-patch-4_18_0-305_25_1-1-2.el8_4.src.rpm kpatch-patch-4_18_0-305_3_1-1-7.el8_4.src.rpm kpatch-patch-4_18_0-305_7_1-1-6.el8_4.src.rpm ppc64le: kpatch-patch-4_18_0-305-1-8.el8.ppc64le.rpm kpatch-patch-4_18_0-305-debuginfo-1-8.el8.ppc64le.rpm kpatch-patch-4_18_0-305-debugsource-1-8.el8.ppc64le.rpm kpatch-patch-4_18_0-305_10_2-1-5.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_10_2-debuginfo-1-5.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_10_2-debugsource-1-5.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_12_1-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_12_1-debuginfo-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_12_1-debugsource-1-4.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_17_1-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_17_1-debuginfo-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_17_1-debugsource-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_19_1-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_19_1-debuginfo-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_19_1-debugsource-1-3.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_25_1-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_25_1-debuginfo-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_25_1-debugsource-1-2.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_3_1-1-7.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_3_1-debuginfo-1-7.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_3_1-debugsource-1-7.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_7_1-1-6.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_7_1-debuginfo-1-6.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_7_1-debugsource-1-6.el8_4.ppc64le.rpm x86_64: kpatch-patch-4_18_0-305-1-8.el8.x86_64.rpm kpatch-patch-4_18_0-305-debuginfo-1-8.el8.x86_64.rpm kpatch-patch-4_18_0-305-debugsource-1-8.el8.x86_64.rpm kpatch-patch-4_18_0-305_10_2-1-5.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_10_2-debuginfo-1-5.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_10_2-debugsource-1-5.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_12_1-1-4.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_12_1-debuginfo-1-4.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_12_1-debugsource-1-4.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_17_1-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_17_1-debuginfo-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_17_1-debugsource-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_19_1-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_19_1-debuginfo-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_19_1-debugsource-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_25_1-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_25_1-debuginfo-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_25_1-debugsource-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_3_1-1-7.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_3_1-debuginfo-1-7.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_3_1-debugsource-1-7.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_7_1-1-6.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_7_1-debuginfo-1-6.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_7_1-debugsource-1-6.el8_4.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 iQIVAwUBYZJx3NzjgjWX9erEAQhcZw/+MgUhmBi6xIffn46HvEui7ea3HZ6suieB mg435Lxgo0wl7fJX4aq4u2C/LUteFb+rNYIbsk+RA7OI50rgTKEkpx2ps7lq9KhU U1dZAOUg/q5G2QABgSwigdKrh/+ReEYIuldAxc6nEsR6fKug3dXrnTmXd65SuDJh jprzv1g6t7F98ep9vVP7i2nZS02GrIHCn/fnunQLO0Ct55xUbkLOOYvMaF0asq3K gqN1N2pk0XviYIt4yBZIIHeTFFP/YoSQ9in98K91yNlqf5aVwlwZda4iUJ5r2Jbu 8B5xofN4fkFiEC4UiplqRmSyjyv3j6fe4gqB7KbS7GOiC/b+BKBs0FlQ1DoPc09B Iksnnc6D1uIM5G2YMZCGLhH1DIp8XtDMG4ovjgcljVIat20/pr9jestnCGWq3PXe PM6wZwOONHkYR37jiWIpQaQ+wOnTAm4d1YcNlfghd/FxXFheG7iVKyKYmfpAhD/4 P+CwxX1z4jTByZzGnIkxIzjbHFjZ4fI7LCC2WorSJTtKRaG64GzlMjACPAXwBXrj z9R+jN5h8LjPz7DXrNqkyBwG0b0YlFf8svXDaQbKgXf3pET12025DumQYR3U1708 YM3MdMiRKk9QPT2IKQSCwJS5biAMQQ0IVNj0tquITukx7lsyPDNtXLdfaLPv25oX Viex4RG2TpE=o/Xu -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce