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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2073 kernel security and bug fix update 10 June 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel Publisher: Red Hat Operating System: Red Hat Impact/Access: Increased Privileges -- Existing Account Denial of Service -- Existing Account Access Confidential Data -- Remote/Unauthenticated Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-25705 CVE-2020-25211 CVE-2020-12362 CVE-2019-19532 Reference: ESB-2021.2032 ESB-2021.2029 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:2355 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2021:2355-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2355 Issue date: 2021-06-09 CVE Names: CVE-2019-19532 CVE-2020-12362 CVE-2020-25211 CVE-2020-25705 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7.6 Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update Support, and Red Hat Enterprise Linux 7.6 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. 7.6) - noarch, x86_64 Red Hat Enterprise Linux Server E4S (v. 7.6) - noarch, ppc64le, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 7.6) - x86_64 Red Hat Enterprise Linux Server Optional E4S (v. 7.6) - ppc64le, x86_64 Red Hat Enterprise Linux Server Optional TUS (v. 7.6) - x86_64 Red Hat Enterprise Linux Server TUS (v. 7.6) - 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: 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. Bug Fix(es): * memcg: mem_cgroup_idr can be updated in an uncoordinated manner which can lead to corruption (BZ#1931901) * Kernel experiences panic in update_group_power() due to division error even with Bug 1701115 fix (BZ#1961624) 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 1930246 - CVE-2020-12362 kernel: Integer overflow in Intel(R) Graphics Drivers 6. Package List: Red Hat Enterprise Linux Server AUS (v. 7.6): Source: kernel-3.10.0-957.76.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-957.76.1.el7.noarch.rpm kernel-doc-3.10.0-957.76.1.el7.noarch.rpm x86_64: bpftool-3.10.0-957.76.1.el7.x86_64.rpm kernel-3.10.0-957.76.1.el7.x86_64.rpm kernel-debug-3.10.0-957.76.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-957.76.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.76.1.el7.x86_64.rpm kernel-devel-3.10.0-957.76.1.el7.x86_64.rpm kernel-headers-3.10.0-957.76.1.el7.x86_64.rpm kernel-tools-3.10.0-957.76.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-957.76.1.el7.x86_64.rpm perf-3.10.0-957.76.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm python-perf-3.10.0-957.76.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm Red Hat Enterprise Linux Server E4S (v. 7.6): Source: kernel-3.10.0-957.76.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-957.76.1.el7.noarch.rpm kernel-doc-3.10.0-957.76.1.el7.noarch.rpm ppc64le: kernel-3.10.0-957.76.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-957.76.1.el7.ppc64le.rpm kernel-debug-3.10.0-957.76.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-957.76.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-957.76.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-957.76.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-957.76.1.el7.ppc64le.rpm kernel-devel-3.10.0-957.76.1.el7.ppc64le.rpm kernel-headers-3.10.0-957.76.1.el7.ppc64le.rpm kernel-tools-3.10.0-957.76.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-957.76.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-957.76.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-957.76.1.el7.ppc64le.rpm perf-3.10.0-957.76.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-957.76.1.el7.ppc64le.rpm python-perf-3.10.0-957.76.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-957.76.1.el7.ppc64le.rpm x86_64: bpftool-3.10.0-957.76.1.el7.x86_64.rpm kernel-3.10.0-957.76.1.el7.x86_64.rpm kernel-debug-3.10.0-957.76.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-957.76.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.76.1.el7.x86_64.rpm kernel-devel-3.10.0-957.76.1.el7.x86_64.rpm kernel-headers-3.10.0-957.76.1.el7.x86_64.rpm kernel-tools-3.10.0-957.76.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-957.76.1.el7.x86_64.rpm perf-3.10.0-957.76.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm python-perf-3.10.0-957.76.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm Red Hat Enterprise Linux Server TUS (v. 7.6): Source: kernel-3.10.0-957.76.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-957.76.1.el7.noarch.rpm kernel-doc-3.10.0-957.76.1.el7.noarch.rpm x86_64: bpftool-3.10.0-957.76.1.el7.x86_64.rpm kernel-3.10.0-957.76.1.el7.x86_64.rpm kernel-debug-3.10.0-957.76.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-957.76.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.76.1.el7.x86_64.rpm kernel-devel-3.10.0-957.76.1.el7.x86_64.rpm kernel-headers-3.10.0-957.76.1.el7.x86_64.rpm kernel-tools-3.10.0-957.76.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-957.76.1.el7.x86_64.rpm perf-3.10.0-957.76.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm python-perf-3.10.0-957.76.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.6): x86_64: kernel-debug-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.76.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-957.76.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional E4S (v. 7.6): ppc64le: kernel-debug-debuginfo-3.10.0-957.76.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-957.76.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-957.76.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-957.76.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-957.76.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-957.76.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-957.76.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-957.76.1.el7.ppc64le.rpm x86_64: kernel-debug-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.76.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-957.76.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional TUS (v. 7.6): x86_64: kernel-debug-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.76.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-957.76.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.76.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.76.1.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/updates/classification/#important 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 iQIVAwUBYMCKC9zjgjWX9erEAQh/hQ/9G8VQKD/k3cMuAmkYURsGrjGnUayDyRLm l9pT/wc46hjuvERZA/3rQP7ZQKSEzKZKJ9RVkM/3fvNNaotdVKwcqHWUzal99r/t 5HGvD/yYbhSTe8XB34iU1SVoIQkDjSR+lyJUwabx/W4hbNsEubUg8tdTRkjwBOWE e1kvONgdpll6FnKWLiq215igcVoonwsldjuSwzz66nKBRdjSAQQMXMHiOiRcfIN8 qIZuI6AxFKu2zY0iZQe0HiqTonoOyAsBdvpA+abOLdzqC/irmE8O9PG3K3e+vcnP z3QRSu78E+S8WJ8OgH9hNSfuvmSGb946zbYz1EmAwEiygwBsP7BnzmNccbzQHufQ 2Pulm9MSTaOA/Z8TArpoDF5txsBrN0Wc9oD+0em6f73RQsl1tEvCZx3cnd79UzJc sFMBq9ikAj/egbDfpqj1ZSL8rcBWk7XPwyT/pUbnfqbbl6sveYnCgl5Ji0QdHI2q ZgE99yk2gDMCAa0MSS9WnmmImEChHZpMz0snb38cgpDM0qyL9BgNvrA09Xrpq60l 8miN5r/T1Lojn17sx+igmDTLspcBzN1NB/ptH+3mWYKLt8+xs6MtF+KFMBnEiMuH YYriUeiEBHUI33CspLblaEccgll8NuNy81YMjH1xIFdihjlDyStAvcGf87tgWJMT pbqFj/FQyII= =NLS/ - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYMFzZ+NLKJtyKPYoAQgMow//fRffJkXcpGirPfYkcuvFjsMnrNHMdcRR Hz2PKN+QTyxIOGwnpWfqHXFeuP0hSQKjyhVZaj/FgbeNUBG0p0KhjY5iKv3velVs 3UnMfQzhRBIQTlpGg88KvmlbALU1YN7Xpa0cJ/Y5iQ/Y9A1Yscm0yiPmql6FtbN/ cegIcMKTuDauwiFBZ7nGUtQAXYCfhka4mfF8MmD6+HvXHB4z/WgJk/mAO1sXHjPZ NexIEO7jURCJg5YTNrOLCRO47fCIZe09Sc9eq9BSKw9Ueh38HpTULZ//wbIfPbUj 2KRmJ6az++t9rMmVXsqpGrNd1j8H/TcJFyf5ZSz5UljyWktBObi8qFwtWa1aAWVV vlbYuC7O3wpWwHv7StLkx6+eu0AEZAY5XHNezdi7rM9UV0OJPPRBSZECCz/eLahG 8OwsyJSMArtMNjQ4PaKjORGpnPg3q2Qie9y3hgKRIiPFE8317BQotUnKyFsYIDzK HMby6qMT7xslMKBw5e1QvI2Iwj9Ydcue8FbmUgRh6UQev60j+jow1cGBejsDB2bD DHU6gieMCM4OUQgYZPcGW8NNz9Xg3z9qnrAttJZyuXtpJwORudJm3K2Dv9g6umaK tw4F0CMd77ks8sKDdfIBe+W4JZb1YxhNuZxbbgcnV5323SPwjjgPq1T2mdmIA5AB AwpYPhT4/G8= =Nwam -----END PGP SIGNATURE-----