-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: kpatch-patch security update Advisory ID: RHSA-2021:3441-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3441 Issue date: 2021-09-07 CVE Names: CVE-2021-3715 ==================================================================== 1. Summary: An update is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. 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 Server (v. 7) - 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: use-after-free in route4_change() in net/sched/cls_route.c (CVE-2021-3715) 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/): 1993988 - CVE-2021-3715 kernel: use-after-free in route4_change() in net/sched/cls_route.c 6. Package List: Red Hat Enterprise Linux Server (v. 7): Source: kpatch-patch-3_10_0-1160-1-9.el7.src.rpm kpatch-patch-3_10_0-1160_11_1-1-8.el7.src.rpm kpatch-patch-3_10_0-1160_15_2-1-8.el7.src.rpm kpatch-patch-3_10_0-1160_21_1-1-6.el7.src.rpm kpatch-patch-3_10_0-1160_24_1-1-4.el7.src.rpm kpatch-patch-3_10_0-1160_25_1-1-4.el7.src.rpm kpatch-patch-3_10_0-1160_2_1-1-9.el7.src.rpm kpatch-patch-3_10_0-1160_2_2-1-9.el7.src.rpm kpatch-patch-3_10_0-1160_31_1-1-3.el7.src.rpm kpatch-patch-3_10_0-1160_36_2-1-2.el7.src.rpm kpatch-patch-3_10_0-1160_41_1-1-1.el7.src.rpm kpatch-patch-3_10_0-1160_6_1-1-9.el7.src.rpm ppc64le: kpatch-patch-3_10_0-1160-1-9.el7.ppc64le.rpm kpatch-patch-3_10_0-1160-debuginfo-1-9.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_11_1-1-8.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_11_1-debuginfo-1-8.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_15_2-1-8.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_15_2-debuginfo-1-8.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_21_1-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_21_1-debuginfo-1-6.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_24_1-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_24_1-debuginfo-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_25_1-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_25_1-debuginfo-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_1-1-9.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_1-debuginfo-1-9.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_2-1-9.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_2-debuginfo-1-9.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_31_1-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_31_1-debuginfo-1-3.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_36_2-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_36_2-debuginfo-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_41_1-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_41_1-debuginfo-1-1.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_6_1-1-9.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_6_1-debuginfo-1-9.el7.ppc64le.rpm x86_64: kpatch-patch-3_10_0-1160-1-9.el7.x86_64.rpm kpatch-patch-3_10_0-1160-debuginfo-1-9.el7.x86_64.rpm kpatch-patch-3_10_0-1160_11_1-1-8.el7.x86_64.rpm kpatch-patch-3_10_0-1160_11_1-debuginfo-1-8.el7.x86_64.rpm kpatch-patch-3_10_0-1160_15_2-1-8.el7.x86_64.rpm kpatch-patch-3_10_0-1160_15_2-debuginfo-1-8.el7.x86_64.rpm kpatch-patch-3_10_0-1160_21_1-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1160_21_1-debuginfo-1-6.el7.x86_64.rpm kpatch-patch-3_10_0-1160_24_1-1-4.el7.x86_64.rpm kpatch-patch-3_10_0-1160_24_1-debuginfo-1-4.el7.x86_64.rpm kpatch-patch-3_10_0-1160_25_1-1-4.el7.x86_64.rpm kpatch-patch-3_10_0-1160_25_1-debuginfo-1-4.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_1-1-9.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_1-debuginfo-1-9.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_2-1-9.el7.x86_64.rpm kpatch-patch-3_10_0-1160_2_2-debuginfo-1-9.el7.x86_64.rpm kpatch-patch-3_10_0-1160_31_1-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1160_31_1-debuginfo-1-3.el7.x86_64.rpm kpatch-patch-3_10_0-1160_36_2-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-1160_36_2-debuginfo-1-2.el7.x86_64.rpm kpatch-patch-3_10_0-1160_41_1-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1160_41_1-debuginfo-1-1.el7.x86_64.rpm kpatch-patch-3_10_0-1160_6_1-1-9.el7.x86_64.rpm kpatch-patch-3_10_0-1160_6_1-debuginfo-1-9.el7.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-2021-3715 https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYTeFDdzjgjWX9erEAQi8ExAAhodl+m9sSr5+nBKbRvWh+bBIPTcxniud +KHAkg9OSr7iMCqVQqvS87iB86sIEQnEKuVhjptRS215enQqaQ7pBaT3/9qTu+6o +HUfgXXhYeN7JbnplMmFpVXMHDqokHGpqNUy03EWboblDuwmBQphWVOZhvCuwyAN 9LUFkMqHSiUBSpnCEi4rA0XXYot4AyZAfrHL50XN7FuUhAOmHVEH+qV/0UmrCDQ2 ud+CdkZd6+QvZZR0Gk0ci7e//GTzNS4wqk9K/v4RM/Jx2kB8eHDvKoWqm/geMQBM Vi3CCwhlR8r8s7pJZsL1ANFwcX2PS1aO3KsWBCG2J+uBk0hVyc7dX1+sYO/lcRzm inFQjjxvYvl/p4EQ3R1758dlsAwvePF/Cv1S6vKaGfgfJefGS1DJ4kW6AYFwzwro ek3H6RIABjGwUxZ6ZdkVWsjmoUu+wdTikYtFHDGXa31qpHqWo+9flJi+yWdUQaJf qk6FeZ75fT/QpaeU8NT+AwT48FKZBEnC5mI/lUuS6rmmsJfi9KPE6SggsRgsC0vB grveU+MduD5bJGHtil3qi+O0KNNuS8ShYIGfOAaUszo/EpgnOJtWOfSAwvl36YLw crJTcLuRuNfmkDsUIVc7gnfhv2T85szgr7qsgXo0fegaI0NuMVpXcjAu3TwmCaYt ftzuKTff6+Q=hJvp -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce