-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2021:3443-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3443 Issue date: 2021-09-07 CVE Names: CVE-2021-0512 CVE-2021-3715 CVE-2021-37576 ===================================================================== 1. Summary: An update is now available for Red Hat Enterprise Linux 8.2 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. 8.2) - 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: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c (CVE-2021-0512) * kernel: use-after-free in route4_change() in net/sched/cls_route.c (CVE-2021-3715) * kernel: powerpc: KVM guest OS users can cause host OS memory corruption (CVE-2021-37576) 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/): 1974491 - CVE-2021-0512 kernel: out-of-bounds write due to a heap buffer overflow in __hidinput_change_resolution_multipliers() of hid-input.c 1986506 - CVE-2021-37576 kernel: powerpc: KVM guest OS users can cause host OS memory corruption 1993988 - CVE-2021-3715 kernel: use-after-free in route4_change() in net/sched/cls_route.c 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v. 8.2): Source: kpatch-patch-4_18_0-193_19_1-1-12.el8_2.src.rpm kpatch-patch-4_18_0-193_28_1-1-10.el8_2.src.rpm kpatch-patch-4_18_0-193_29_1-1-10.el8_2.src.rpm kpatch-patch-4_18_0-193_37_1-1-10.el8_2.src.rpm kpatch-patch-4_18_0-193_40_1-1-10.el8_2.src.rpm kpatch-patch-4_18_0-193_41_1-1-10.el8_2.src.rpm kpatch-patch-4_18_0-193_46_1-1-7.el8_2.src.rpm kpatch-patch-4_18_0-193_47_1-1-7.el8_2.src.rpm kpatch-patch-4_18_0-193_51_1-1-4.el8_2.src.rpm kpatch-patch-4_18_0-193_56_1-1-3.el8_2.src.rpm kpatch-patch-4_18_0-193_60_2-1-2.el8_2.src.rpm kpatch-patch-4_18_0-193_64_1-1-1.el8_2.src.rpm ppc64le: kpatch-patch-4_18_0-193_19_1-1-12.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_19_1-debuginfo-1-12.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_19_1-debugsource-1-12.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_28_1-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_28_1-debuginfo-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_28_1-debugsource-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_29_1-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_29_1-debuginfo-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_29_1-debugsource-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_37_1-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_37_1-debuginfo-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_37_1-debugsource-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_40_1-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_40_1-debuginfo-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_40_1-debugsource-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_41_1-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_41_1-debuginfo-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_41_1-debugsource-1-10.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_46_1-1-7.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_46_1-debuginfo-1-7.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_46_1-debugsource-1-7.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_47_1-1-7.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_47_1-debuginfo-1-7.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_47_1-debugsource-1-7.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_51_1-1-4.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_51_1-debuginfo-1-4.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_51_1-debugsource-1-4.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_56_1-1-3.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_56_1-debuginfo-1-3.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_56_1-debugsource-1-3.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_60_2-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_60_2-debuginfo-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_60_2-debugsource-1-2.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_64_1-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_64_1-debuginfo-1-1.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_64_1-debugsource-1-1.el8_2.ppc64le.rpm x86_64: kpatch-patch-4_18_0-193_19_1-1-12.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_19_1-debuginfo-1-12.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_19_1-debugsource-1-12.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_28_1-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_28_1-debuginfo-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_28_1-debugsource-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_29_1-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_29_1-debuginfo-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_29_1-debugsource-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_37_1-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_37_1-debuginfo-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_37_1-debugsource-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_40_1-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_40_1-debuginfo-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_40_1-debugsource-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_41_1-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_41_1-debuginfo-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_41_1-debugsource-1-10.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_46_1-1-7.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_46_1-debuginfo-1-7.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_46_1-debugsource-1-7.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_47_1-1-7.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_47_1-debuginfo-1-7.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_47_1-debugsource-1-7.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_51_1-1-4.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_51_1-debuginfo-1-4.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_51_1-debugsource-1-4.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_56_1-1-3.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_56_1-debuginfo-1-3.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_56_1-debugsource-1-3.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_60_2-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_60_2-debuginfo-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_60_2-debugsource-1-2.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_64_1-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_64_1-debuginfo-1-1.el8_2.x86_64.rpm kpatch-patch-4_18_0-193_64_1-debugsource-1-1.el8_2.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-2021-0512 https://access.redhat.com/security/cve/CVE-2021-3715 https://access.redhat.com/security/cve/CVE-2021-37576 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 iQIVAwUBYTeAkNzjgjWX9erEAQhbyg/+LYZK2ZImOe1KXopDIWk/VTa9eQSu3XBV NLZ7qos7lS3VVmOeYbhhft+N7mXg1aDYaixp+sUMCmyD21xiBfImOD7gc351WCou IL7z0Ld3kBNfpP69RVcjGZSevRxGZvDVxEJIoDWAHD+iq+A+hiXzK61qvxKuZLAU 3SHJ1Z03i+7lmxdUdvSKmaISyDEnnWPstMFfgeBJap9+bEqXKbpCnJdJfb5U4Xqt JUFT/exatMw8vVJk0ybeBqOh2pPDytPtT9ImgoUII+yMwXNa62ah6QRxmhdtrxTl azOmx45et5rMuZhT44ZyvzZX+dfZqzMFCj7H++Ls/zWK7qp1cgGSTxfbagNBOtkh n/yuzAER3adIuG4gKzV8YNuRxt2Km1UjwJ7OMfQ0qklelFcMEQ2qcATDqtVdM+4i OjjYR+ch6yMIGLdDaDqiQwAJPnh/ztKI6/6hhsVKxSAfZIkrMsXzRuMghBvGVIFR 4/OtZchvIn2HjmTfNLh6SnRK+ycAqiR27vZIGbIqjPNb7vrQHc4wFDv8rCbtZzyz KAQN2C6unq93FbOravImoQ4ddyA+W8ljJL0ah7OdnavqX20NMvrfpE+ubLjYfwmd OUQkcN/LdjwEK7zNgqVxgnX3KpnkzFiHB7JOoQay4Wum1tQOLjy8bGWmWgfOoE5q wC5lrGVrczI= =PeEH -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce