-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2021:3321-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3321 Issue date: 2021-08-31 CVE Names: CVE-2021-22555 CVE-2021-32399 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7.3 Advanced 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 Server AUS (v. 7.3) - noarch, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.3) - x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * 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. Bug Fix(es): * [CKI kernel builds]: x86 binaries in non-x86 kernel rpms breaks systemtap [7.9.z] (BZ#1975162) 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 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 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 Server AUS (v. 7.3): Source: kernel-3.10.0-514.92.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-514.92.1.el7.noarch.rpm kernel-doc-3.10.0-514.92.1.el7.noarch.rpm x86_64: kernel-3.10.0-514.92.1.el7.x86_64.rpm kernel-debug-3.10.0-514.92.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-514.92.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-514.92.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-514.92.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-514.92.1.el7.x86_64.rpm kernel-devel-3.10.0-514.92.1.el7.x86_64.rpm kernel-headers-3.10.0-514.92.1.el7.x86_64.rpm kernel-tools-3.10.0-514.92.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-514.92.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-514.92.1.el7.x86_64.rpm perf-3.10.0-514.92.1.el7.x86_64.rpm perf-debuginfo-3.10.0-514.92.1.el7.x86_64.rpm python-perf-3.10.0-514.92.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-514.92.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.3): x86_64: kernel-debug-debuginfo-3.10.0-514.92.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-514.92.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-514.92.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-514.92.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-514.92.1.el7.x86_64.rpm perf-debuginfo-3.10.0-514.92.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-514.92.1.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-2021-22555 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 iQIVAwUBYS3jn9zjgjWX9erEAQg9ZRAAkNQsCTi3z1tMTUruFYrzv7XEwQWKagM/ mNjRisVAg6uhi9vKHVDCSZOqTMC4mQmL7Xlz335A7Bp8wzMYFQr9zgsZSuUBWiM5 LDbqPEz3ZywedWX8SRhBXHftAzcOX85rVUhk3Ge32Eqv0qjU9HVS1CI51yiRcF4H XetBNHfrsth7hrXea0FXIVOJ41LyvEDhAG3G3WL8IfP8MXqNih+RJh4M8g3ZZPNo PiJ4NxA+0ZI3XSfgfG0SQumbjL1K8ziH6MpHq2xzQVzaM+ewhyV4v2F7QSfsaCoJ Rn7AdMIDpt7paSccJpbI3OKRX3nsiequ7BnwY0+6RHmNZJ91TPlzG0d056eDmM6H 8rSCHCFMf/43gqtYWuyNw7uHhggoHw1JcQQQCPbhn70eXe0Qaq9Dt6HtW+KzBfES GbvdeeJyh3Aoy3bV9RhaTmeBm/aJ2Ryxljbg19w/KPp13FNfaQWD1akUg33rgTm2 cC0pvejJSwv4UiPlsTqOkWcvV8vNZi5PkwTmzFZudOyBy8ykmIhl8tveoSEOthbf +0wt5te74PwuGVAotEMTjMNslvn+buf2EvPMxu2HgJ/Yc43DWboasXeyw32WcpW7 Lcaqrrx2E0ThuL15De/B/JW79WVfwFNnwGmUcMoN/gvwHCy69dYulQ3WYwU4rNdl EVoSCH68Sh0= =kgjk -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce