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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.4547 RHEL 7.4 AUS, E4S and TUS: kernel security and bug fix update 4 December 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Access Privileged Data -- Existing Account Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-11811 CVE-2019-7221 CVE-2019-5489 CVE-2019-3900 CVE-2017-18208 CVE-2017-10661 Reference: ESB-2019.3575 ESB-2018.0844 ESB-2017.2379 Original Bulletin: https://access.redhat.com/errata/RHSA-2019:4058 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2019:4058-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:4058 Issue date: 2019-12-03 CVE Names: CVE-2017-10661 CVE-2017-18208 CVE-2019-3900 CVE-2019-5489 CVE-2019-7221 CVE-2019-11811 ===================================================================== 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: vhost_net: infinite loop while receiving packets leads to DoS (CVE-2019-3900) * Kernel: page cache side channel attacks (CVE-2019-5489) * Kernel: KVM: nVMX: use-after-free of the hrtimer for emulation of the preemption timer (CVE-2019-7221) * kernel: Handling of might_cancel queueing is not properly pretected against race (CVE-2017-10661) * kernel: Inifinite loop vulnerability in mm/madvise.c:madvise_willneed() function allows local denial of service (CVE-2017-18208) * kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c (CVE-2019-11811) 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): * [LLNL 7.5 Bug] slab leak causing a crash when using kmem control group (BZ#1748234) * kmem, memcg: system crash due to cache destruction race (BZ#1754829) * kernel build: parallelize redhat/mod-sign.sh (BZ#1755327) * kernel build: speed up module compression step (BZ#1755336) 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/): 1481136 - CVE-2017-10661 kernel: Handling of might_cancel queueing is not properly pretected against race 1551565 - CVE-2017-18208 kernel: Inifinite loop vulnerability in mm/madvise.c:madvise_willneed() function allows local denial of service 1664110 - CVE-2019-5489 Kernel: page cache side channel attacks 1671904 - CVE-2019-7221 Kernel: KVM: nVMX: use-after-free of the hrtimer for emulation of the preemption timer 1698757 - CVE-2019-3900 Kernel: vhost_net: infinite loop while receiving packets leads to DoS 1709180 - CVE-2019-11811 kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c 6. Package List: Red Hat Enterprise Linux Server AUS (v. 7.4): Source: kernel-3.10.0-693.61.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-693.61.1.el7.noarch.rpm kernel-doc-3.10.0-693.61.1.el7.noarch.rpm x86_64: kernel-3.10.0-693.61.1.el7.x86_64.rpm kernel-debug-3.10.0-693.61.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-693.61.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.61.1.el7.x86_64.rpm kernel-devel-3.10.0-693.61.1.el7.x86_64.rpm kernel-headers-3.10.0-693.61.1.el7.x86_64.rpm kernel-tools-3.10.0-693.61.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-693.61.1.el7.x86_64.rpm perf-3.10.0-693.61.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm python-perf-3.10.0-693.61.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm Red Hat Enterprise Linux Server E4S (v. 7.4): Source: kernel-3.10.0-693.61.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-693.61.1.el7.noarch.rpm kernel-doc-3.10.0-693.61.1.el7.noarch.rpm ppc64le: kernel-3.10.0-693.61.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-693.61.1.el7.ppc64le.rpm kernel-debug-3.10.0-693.61.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-693.61.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-693.61.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-693.61.1.el7.ppc64le.rpm kernel-devel-3.10.0-693.61.1.el7.ppc64le.rpm kernel-headers-3.10.0-693.61.1.el7.ppc64le.rpm kernel-tools-3.10.0-693.61.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-693.61.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-693.61.1.el7.ppc64le.rpm perf-3.10.0-693.61.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-693.61.1.el7.ppc64le.rpm python-perf-3.10.0-693.61.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-693.61.1.el7.ppc64le.rpm x86_64: kernel-3.10.0-693.61.1.el7.x86_64.rpm kernel-debug-3.10.0-693.61.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-693.61.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.61.1.el7.x86_64.rpm kernel-devel-3.10.0-693.61.1.el7.x86_64.rpm kernel-headers-3.10.0-693.61.1.el7.x86_64.rpm kernel-tools-3.10.0-693.61.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-693.61.1.el7.x86_64.rpm perf-3.10.0-693.61.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm python-perf-3.10.0-693.61.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm Red Hat Enterprise Linux Server TUS (v. 7.4): Source: kernel-3.10.0-693.61.1.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-693.61.1.el7.noarch.rpm kernel-doc-3.10.0-693.61.1.el7.noarch.rpm x86_64: kernel-3.10.0-693.61.1.el7.x86_64.rpm kernel-debug-3.10.0-693.61.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-693.61.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.61.1.el7.x86_64.rpm kernel-devel-3.10.0-693.61.1.el7.x86_64.rpm kernel-headers-3.10.0-693.61.1.el7.x86_64.rpm kernel-tools-3.10.0-693.61.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-693.61.1.el7.x86_64.rpm perf-3.10.0-693.61.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm python-perf-3.10.0-693.61.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 7.4): x86_64: kernel-debug-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.61.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-693.61.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional E4S (v. 7.4): ppc64le: kernel-debug-debuginfo-3.10.0-693.61.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-693.61.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-693.61.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-693.61.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-693.61.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-693.61.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-693.61.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-693.61.1.el7.ppc64le.rpm x86_64: kernel-debug-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.61.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-693.61.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional TUS (v. 7.4): x86_64: kernel-debug-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-693.61.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-693.61.1.el7.x86_64.rpm perf-debuginfo-3.10.0-693.61.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-693.61.1.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-2017-10661 https://access.redhat.com/security/cve/CVE-2017-18208 https://access.redhat.com/security/cve/CVE-2019-3900 https://access.redhat.com/security/cve/CVE-2019-5489 https://access.redhat.com/security/cve/CVE-2019-7221 https://access.redhat.com/security/cve/CVE-2019-11811 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 2019 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXeYcINzjgjWX9erEAQgTFRAAkeEO3Lz/wJjdiiGLc8XvDRgMTtOXioH3 zhr+ytHUJTLSREyxdM+1NLOj67u9wCfwo0NY7ljDgf6ri5SRh68nAXKGG1rod7PC +eljcN/51dBe+zMbwF4efC5yYFvhRsONOaaxrxt3jI3+m3erYCOgf9RiGOy8YRm+ /qzssz3Y9Wwtp7DQ06qnNX3jf0T5LhcHkf3DGZ5mg1y38IMBwwrZxb4hpFjg25OO eMkLQSHH05naUp1R/ElumdY8NthlNull0qdB8rNbCHlS5pbO+38GEva3QTUlV/DX c/sp0bhxiI4EvCAmRargFJXxCl331ALRIJ7duAexYIn2ECmlgjuEHPpuINE2CpIf TbpyOZrIZbRpFvs0SZ9ZoalyPhyODyOe7MEzwhm3oGMz8PMqzPf+Xpn/W5ofgnAV S+3H1Ih/yZ8wB9MvwrkAQW+iOUjZLd6w1cLj+BYY2Ko4HqrpFJffO64iiystf8/R kCL4u+Tpzk6fpXEepr8hvXHjxVhpyOrF+5ZBiJrfbD+qsOJ9k1gz/T256d0S0RsU 7yF8+PXglBk7ffo15Xeno+LsMxRTBdkbG6OL2wEIOtcauCtnS0k3/3yJi9TExJUJ sCQqXdyswIsRF3glKrc8FkN9Fmi0mNnI9Va7xPgY8DC1l3EnC2aRkpeAGuL/3P1N 3uknpT4ztME= =EwKJ - -----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 iQIVAwUBXecn12aOgq3Tt24GAQhwbw//ZzswcBEShiVxIqO4y06l16VEyKqaGmVG V8LkOzHAQqTKibjHAya4Hm870dHVa8wvI40caKjG+riKkISi1aueBi0aU7nwA4Sv lXcBx5//h/scvbG3n3SyxGeYUn/yeugkbR8NGuz1xr7p8vff824VUoksMho0u9x8 tShl0XtNppMW/1bSVAwQk8pkFyJIGOjYsDcDfJFDaZsEiHhDtrnnlw/HdDM6bEKX /g/Di1nt0yNIxADzn3dQucBe8mWRiJhJtqFlTFgyc8V/b215/WuWaMfEPI45UZHe cTjqS7FFGLzUAnxztrEzZp89cuwrJGjPkzZVC+Aj31RaB8iehvgd7xEOHVP4s27B tXBbAQh5/ggskpQlf0lRm/cchdRihiXpV00b0PH/lWA7tVc+yBtwNOCVsqEpn6Pt e3RZ5MFugr2kyBzZNPU+S3oHwdkZIJbW6xqYB3xortdAg7MuZ+KW8ZqR2n86XTC+ vjloDRhp3UC7b5OePQ80QrRIg0DqJb/ArJEgqj4pHiQLXpLQjBkUj3W+80w0KpXe zAheqKYMie+dwOcR3BD113szPuNNHK9K8OucNe7+xSFb4TJ9pBsQn0ntpS43dcWs 0Knf6lB16cMuFf2VkstPGiMoviHZXyBxaippl4DVIzmIKOC2uhwEe2XTGGk2TJwf PiWOT6WJRLE= =lWH6 -----END PGP SIGNATURE-----