-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2021:2164-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2164 Issue date: 2021-06-01 CVE Names: CVE-2019-19532 CVE-2020-12362 CVE-2020-25211 CVE-2020-25705 CVE-2020-29661 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions. 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. 7.4) - noarch, x86_64 Red Hat Enterprise Linux Server E4S (v. 7.4) - noarch, ppc64le, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - x86_64 Red Hat Enterprise Linux Server Optional E4S (v. 7.4) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional TUS (v. 7.4) - x86_64 Red Hat Enterprise Linux Server TUS (v. 7.4) - noarch, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Integer overflow in Intel(R) Graphics Drivers (CVE-2020-12362) * kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211) * kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661) * kernel: malicious USB devices can lead to multiple out-of-bounds write (CVE-2019-19532) * kernel: ICMP rate limiting can be used for DNS poisoning attack (CVE-2020-25705) 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 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1781821 - CVE-2019-19532 kernel: malicious USB devices can lead to multiple out-of-bounds write 1877571 - CVE-2020-25211 kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c 1894579 - CVE-2020-25705 kernel: ICMP rate limiting can be used for DNS poisoning attack 1906525 - CVE-2020-29661 kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free 1930246 - CVE-2020-12362 kernel: Integer overflow in Intel(R) Graphics Drivers 6. Package List: Red Hat Enterprise Linux Server AUS (v. 7.4): Source: kernel-3.10.0-693.87.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-693.87.1.el7.noarch.rpm kernel-doc-3.10.0-693.87.1.el7.noarch.rpm x86_64: kernel-3.10.0-693.87.1.el7.x86_64.rpm kernel-debug-3.10.0-693.87.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-693.87.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.87.1.el7.x86_64.rpm kernel-devel-3.10.0-693.87.1.el7.x86_64.rpm kernel-headers-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-693.87.1.el7.x86_64.rpm perf-3.10.0-693.87.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm python-perf-3.10.0-693.87.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm Red Hat Enterprise Linux Server E4S (v. 7.4): Source: kernel-3.10.0-693.87.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-693.87.1.el7.noarch.rpm kernel-doc-3.10.0-693.87.1.el7.noarch.rpm ppc64le: kernel-3.10.0-693.87.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-693.87.1.el7.ppc64le.rpm kernel-debug-3.10.0-693.87.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-693.87.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-693.87.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-693.87.1.el7.ppc64le.rpm kernel-devel-3.10.0-693.87.1.el7.ppc64le.rpm kernel-headers-3.10.0-693.87.1.el7.ppc64le.rpm kernel-tools-3.10.0-693.87.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-693.87.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-693.87.1.el7.ppc64le.rpm perf-3.10.0-693.87.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-693.87.1.el7.ppc64le.rpm python-perf-3.10.0-693.87.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-693.87.1.el7.ppc64le.rpm x86_64: kernel-3.10.0-693.87.1.el7.x86_64.rpm kernel-debug-3.10.0-693.87.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-693.87.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.87.1.el7.x86_64.rpm kernel-devel-3.10.0-693.87.1.el7.x86_64.rpm kernel-headers-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-693.87.1.el7.x86_64.rpm perf-3.10.0-693.87.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm python-perf-3.10.0-693.87.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm Red Hat Enterprise Linux Server TUS (v. 7.4): Source: kernel-3.10.0-693.87.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-693.87.1.el7.noarch.rpm kernel-doc-3.10.0-693.87.1.el7.noarch.rpm x86_64: kernel-3.10.0-693.87.1.el7.x86_64.rpm kernel-debug-3.10.0-693.87.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-693.87.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.87.1.el7.x86_64.rpm kernel-devel-3.10.0-693.87.1.el7.x86_64.rpm kernel-headers-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-693.87.1.el7.x86_64.rpm perf-3.10.0-693.87.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm python-perf-3.10.0-693.87.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.4): x86_64: kernel-debug-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-693.87.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional E4S (v. 7.4): ppc64le: kernel-debug-debuginfo-3.10.0-693.87.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-693.87.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-693.87.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-693.87.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-693.87.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-693.87.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-693.87.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-693.87.1.el7.ppc64le.rpm x86_64: kernel-debug-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-693.87.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional TUS (v. 7.4): x86_64: kernel-debug-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-693.87.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.87.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.87.1.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-2019-19532 https://access.redhat.com/security/cve/CVE-2020-12362 https://access.redhat.com/security/cve/CVE-2020-25211 https://access.redhat.com/security/cve/CVE-2020-25705 https://access.redhat.com/security/cve/CVE-2020-29661 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 iQIVAwUBYLXzYtzjgjWX9erEAQjW3A//ax5IBIju/37C2l6J5HuZYu5UyI9yyTpC KTB7FRWm+o/Ppr+YR4Tb8WuWtAJwRJgGAIM5jDP+NTHR+PzIua6ei+JtT4nx/1K/ lsylgQDkku4K1ZC9R+235Gj56TKee660vXZ80qWT/M62WkNprdS4XbD01HCAITL0 j1/7cCCSFJfPEUbKGAjk6IgEQrcCo01mrms7Ke6nuqsjKV9JOr6mB8Z+xD5yibg9 23Zkd28mMNgrdzABKuGckrwgucJCGcM34Y0ZVc2fAspk15ei+ELTut4x/fu6Xiqu ZaCB0lR4DmVQpa2tcuqO2iIqgNcYoPxzuMSoyD7DHx0MEbIrXtyYI5YIAmgHeHGg tce2dVFP5UnmW6Zss2kwj4uqh6w/eHrwESdPMbNzsCMj5lV2/TDXDqEwoqaJNNzw kHDjo6+eADy3wavMzRhl2J1kHABCNmwCVn86GC+jyhQ4XObc/oAqkwiF3kLPP7K5 3UROKYWXT6Xy1JGeADaw+Bv7ME772PyKXLN0yFTIgFag/ECwT76OTHbCqwVk0DJJ 72ILUIXscEZ+wwmFULoVZ2D6+1o/+UnttlvsAf3EIme/xLjuOC1wxD4MuR+ypVDn 6dKxgmkR7uL9r/OBrTEQbYAbI3ALAu5B2wSlAxl7Jel606Sd2/iKmFgToZSFEsDC iRLouwDKWC8= =l4Zb -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce