-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kpatch-patch security update Advisory ID: RHSA-2021:3181-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3181 Issue date: 2021-08-17 CVE Names: CVE-2021-22543 CVE-2021-22555 CVE-2021-32399 ===================================================================== 1. Summary: An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.1 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. 8.1) - 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: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543) * kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c (CVE-2021-22555) * kernel: race condition for removal of the HCI controller (CVE-2021-32399) 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/): 1965461 - CVE-2021-22543 kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks 1970807 - CVE-2021-32399 kernel: race condition for removal of the HCI controller 1980101 - CVE-2021-22555 kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v. 8.1): Source: kpatch-patch-4_18_0-147_27_1-1-12.el8_1.src.rpm kpatch-patch-4_18_0-147_32_1-1-10.el8_1.src.rpm kpatch-patch-4_18_0-147_34_1-1-10.el8_1.src.rpm kpatch-patch-4_18_0-147_38_1-1-9.el8_1.src.rpm kpatch-patch-4_18_0-147_43_1-1-7.el8_1.src.rpm kpatch-patch-4_18_0-147_44_1-1-6.el8_1.src.rpm kpatch-patch-4_18_0-147_48_1-1-3.el8_1.src.rpm kpatch-patch-4_18_0-147_51_1-1-2.el8_1.src.rpm kpatch-patch-4_18_0-147_51_2-1-1.el8_1.src.rpm ppc64le: kpatch-patch-4_18_0-147_27_1-1-12.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_27_1-debuginfo-1-12.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_27_1-debugsource-1-12.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_32_1-1-10.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_32_1-debuginfo-1-10.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_32_1-debugsource-1-10.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_34_1-1-10.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_34_1-debuginfo-1-10.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_34_1-debugsource-1-10.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_38_1-1-9.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_38_1-debuginfo-1-9.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_38_1-debugsource-1-9.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_43_1-1-7.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_43_1-debuginfo-1-7.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_43_1-debugsource-1-7.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_44_1-1-6.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_44_1-debuginfo-1-6.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_44_1-debugsource-1-6.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_48_1-1-3.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_48_1-debuginfo-1-3.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_48_1-debugsource-1-3.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_51_1-1-2.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_51_1-debuginfo-1-2.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_51_1-debugsource-1-2.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_51_2-1-1.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_51_2-debuginfo-1-1.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_51_2-debugsource-1-1.el8_1.ppc64le.rpm x86_64: kpatch-patch-4_18_0-147_27_1-1-12.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_27_1-debuginfo-1-12.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_27_1-debugsource-1-12.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_32_1-1-10.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_32_1-debuginfo-1-10.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_32_1-debugsource-1-10.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_34_1-1-10.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_34_1-debuginfo-1-10.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_34_1-debugsource-1-10.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_38_1-1-9.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_38_1-debuginfo-1-9.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_38_1-debugsource-1-9.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_43_1-1-7.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_43_1-debuginfo-1-7.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_43_1-debugsource-1-7.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_44_1-1-6.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_44_1-debuginfo-1-6.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_44_1-debugsource-1-6.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_48_1-1-3.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_48_1-debuginfo-1-3.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_48_1-debugsource-1-3.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_51_1-1-2.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_51_1-debuginfo-1-2.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_51_1-debugsource-1-2.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_51_2-1-1.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_51_2-debuginfo-1-1.el8_1.x86_64.rpm kpatch-patch-4_18_0-147_51_2-debugsource-1-1.el8_1.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-2021-22543 https://access.redhat.com/security/cve/CVE-2021-22555 https://access.redhat.com/security/cve/CVE-2021-32399 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 iQIVAwUBYRt0UtzjgjWX9erEAQhnOg/+OBVsTuvRWm58G/OBuiC2zdl2ACQI6GMM snDW3HiKutR2vDGxUARM9ZosUkwi3L7+hUzItYeXZMIdbX4MmUrBH6Sr2A/mjn0L mzp9qyDmf4w7lyFo8DFMMgj/P+ISKAlj0YQQIXQsKMZpZaH3scfLOmMKIAv85NDd H0xmPGH+sEnCVEOC8S35SjKmya2TgxwI4Agr8ycJZ8nrgmEpoB0vjflbzGxr2G6g wZpQj/rVgC0VQCul2oeVSB2/k2UpSyhLKaCo9qu071brCrlD3Mb6/XnzaXNhBkHR E1FfVbkkA74gp3H9NonvVRmxOYen6+QZjrLelC5sjL1FZR0FnOKZjTWZ5/0KDesM XTtTk9wuvh1z9JyQaVuSKG+htOAt0nf+TvGXDjSXr8jckxCSP+1pF3nb9GNyQCQy fS47tLitmkwtXkjAN8USaw1QYk4uNnPQdXoWu388CiXiYXqeyLCKDK67qziGYEe/ pgkSa9P9u9zgHbqeSjfENQRv19XS+0qBATbHcDHt+gNpf98zYT0yXhX8CdCxzqu0 2p4o9935oUrcMIIUr6gekMAZrYOAZOcFHDXcj2W/TO1PHC3N6d7SoWKcLYtWBGSC EiMSQ2YYWTpjVHp3IwutoHqE/JHnCDb8mKjDecckj8P40au1rr7sq7IVQli8Xu4Y XliywM2Rmo4= =Oygy -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce