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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.1669 kernel-alt security and bug fix update 13 May 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel-alt Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Root Compromise -- Existing Account Increased Privileges -- Existing Account Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-10711 CVE-2020-9383 CVE-2019-19768 CVE-2019-19524 CVE-2019-19447 CVE-2019-15538 CVE-2019-12614 CVE-2019-9454 CVE-2017-18595 CVE-2017-18551 Reference: ESB-2020.1531 ESB-2020.1520 ESB-2020.1480 ESB-2020.1476 ESB-2020.1475 ESB-2020.1474 ESB-2020.1472 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:2104 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel-alt security and bug fix update Advisory ID: RHSA-2020:2104-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2104 Issue date: 2020-05-12 CVE Names: CVE-2017-18551 CVE-2017-18595 CVE-2019-9454 CVE-2019-12614 CVE-2019-15538 CVE-2019-19447 CVE-2019-19524 CVE-2019-19768 CVE-2020-9383 CVE-2020-10711 ===================================================================== 1. Summary: An update for kernel-alt is now available for Red Hat Enterprise Linux 7. 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 for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, noarch, ppc64le, s390x Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le 3. Description: The kernel-alt packages provide the Linux kernel version 4.x. Security Fix(es): * kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c (CVE-2017-18595) * kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c (CVE-2019-19768) * Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711) * kernel: out of bounds write in function i2c_smbus_xfer_emulated in drivers/i2c/i2c-core-smbus.c (CVE-2017-18551) * kernel: out of bounds write in i2c driver leads to local escalation of privilege (CVE-2019-9454) * kernel: denial of service in in xfs_setattr_nonsize in fs/xfs/xfs_iops.c (CVE-2019-15538) * kernel: mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c (CVE-2019-19447) * kernel: a malicious USB device in the drivers/input/ff-memless.c leads to use-after-free (CVE-2019-19524) * kernel: out-of-bounds read in set_fdc in drivers/block/floppy.c (CVE-2020-9383) * kernel: null pointer dereference in dlpar_parse_cc_property in arch/powerrc/platforms/pseries/dlpar.c causing denial of service (CVE-2019-12614) 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): * [7.5-alt][ext4/xfstests generic/468] fix fdatasync(2) after fallocate(2) operation (upstream fixed) [rhel-alt-7.6.z] (BZ#1554273) * [RHEL-ALT-7.6.z][arm64] CN99xx: DIMM errors not populated in EDAC sysfs (BZ#1778697) 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/): 1718176 - CVE-2019-12614 kernel: null pointer dereference in dlpar_parse_cc_property in arch/powerrc/platforms/pseries/dlpar.c causing denial of service 1746777 - CVE-2019-15538 kernel: denial of service in in xfs_setattr_nonsize in fs/xfs/xfs_iops.c 1757368 - CVE-2017-18551 kernel: out of bounds write in function i2c_smbus_xfer_emulated in drivers/i2c/i2c-core-smbus.c 1758671 - CVE-2017-18595 kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c 1781679 - CVE-2019-19447 kernel: mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c 1783459 - CVE-2019-19524 kernel: a malicious USB device in the drivers/input/ff-memless.c leads to use-after-free 1786164 - CVE-2019-19768 kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c 1810685 - CVE-2020-9383 kernel: out-of-bounds read in set_fdc in drivers/block/floppy.c 1818818 - CVE-2019-9454 kernel: out of bounds write in i2c driver leads to local escalation of privilege 1825116 - CVE-2020-10711 Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic 6. Package List: Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7): Source: kernel-alt-4.14.0-115.21.2.el7a.src.rpm aarch64: kernel-4.14.0-115.21.2.el7a.aarch64.rpm kernel-debug-4.14.0-115.21.2.el7a.aarch64.rpm kernel-debug-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm kernel-debug-devel-4.14.0-115.21.2.el7a.aarch64.rpm kernel-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm kernel-debuginfo-common-aarch64-4.14.0-115.21.2.el7a.aarch64.rpm kernel-devel-4.14.0-115.21.2.el7a.aarch64.rpm kernel-headers-4.14.0-115.21.2.el7a.aarch64.rpm kernel-tools-4.14.0-115.21.2.el7a.aarch64.rpm kernel-tools-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm kernel-tools-libs-4.14.0-115.21.2.el7a.aarch64.rpm perf-4.14.0-115.21.2.el7a.aarch64.rpm perf-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm python-perf-4.14.0-115.21.2.el7a.aarch64.rpm python-perf-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm noarch: kernel-abi-whitelists-4.14.0-115.21.2.el7a.noarch.rpm kernel-doc-4.14.0-115.21.2.el7a.noarch.rpm ppc64le: kernel-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-bootwrapper-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-debug-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-debug-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-devel-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-headers-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-tools-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-tools-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-tools-libs-4.14.0-115.21.2.el7a.ppc64le.rpm perf-4.14.0-115.21.2.el7a.ppc64le.rpm perf-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm python-perf-4.14.0-115.21.2.el7a.ppc64le.rpm python-perf-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm s390x: kernel-4.14.0-115.21.2.el7a.s390x.rpm kernel-debug-4.14.0-115.21.2.el7a.s390x.rpm kernel-debug-debuginfo-4.14.0-115.21.2.el7a.s390x.rpm kernel-debug-devel-4.14.0-115.21.2.el7a.s390x.rpm kernel-debuginfo-4.14.0-115.21.2.el7a.s390x.rpm kernel-debuginfo-common-s390x-4.14.0-115.21.2.el7a.s390x.rpm kernel-devel-4.14.0-115.21.2.el7a.s390x.rpm kernel-headers-4.14.0-115.21.2.el7a.s390x.rpm kernel-kdump-4.14.0-115.21.2.el7a.s390x.rpm kernel-kdump-debuginfo-4.14.0-115.21.2.el7a.s390x.rpm kernel-kdump-devel-4.14.0-115.21.2.el7a.s390x.rpm perf-4.14.0-115.21.2.el7a.s390x.rpm perf-debuginfo-4.14.0-115.21.2.el7a.s390x.rpm python-perf-4.14.0-115.21.2.el7a.s390x.rpm python-perf-debuginfo-4.14.0-115.21.2.el7a.s390x.rpm Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7): aarch64: kernel-debug-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm kernel-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm kernel-debuginfo-common-aarch64-4.14.0-115.21.2.el7a.aarch64.rpm kernel-tools-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm kernel-tools-libs-devel-4.14.0-115.21.2.el7a.aarch64.rpm perf-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm python-perf-debuginfo-4.14.0-115.21.2.el7a.aarch64.rpm noarch: kernel-doc-4.14.0-115.21.2.el7a.noarch.rpm ppc64le: kernel-debug-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-debug-devel-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-tools-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm kernel-tools-libs-devel-4.14.0-115.21.2.el7a.ppc64le.rpm perf-debuginfo-4.14.0-115.21.2.el7a.ppc64le.rpm python-perf-debuginfo-4.14.0-115.21.2.el7a.ppc64le.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-2017-18551 https://access.redhat.com/security/cve/CVE-2017-18595 https://access.redhat.com/security/cve/CVE-2019-9454 https://access.redhat.com/security/cve/CVE-2019-12614 https://access.redhat.com/security/cve/CVE-2019-15538 https://access.redhat.com/security/cve/CVE-2019-19447 https://access.redhat.com/security/cve/CVE-2019-19524 https://access.redhat.com/security/cve/CVE-2019-19768 https://access.redhat.com/security/cve/CVE-2020-9383 https://access.redhat.com/security/cve/CVE-2020-10711 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 2020 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXrq8/9zjgjWX9erEAQiIzg/8DsguZ1mDOfvtXlt7sldnNMSpRqUujBW5 T+4l+D/U+mYNkLFztqHopxd7SqnbQbugJ0QxuOxtFGtbnnMgGv4aLTiJzEENhuOd LuqfU3+Dd8OYqSJ5rlZKxgsnhDXbY5kxZzXW/HwoGT8q76weDpCIUnnC0pZoNhgx tcZ4aeFPsq4UyRKEzqkAL8zvD+uDxgbzKGrSxlELxIYDsHInA9gUFSLJz8HmtMi+ 71NJlAtKhxOzGI3kOS7Sp5zNHdE1BBv5WD/yQjSDPcDkUJmjmvloxSXCM/bMNcqW CfQbRXSod95rmxFpIUXT4cEZjwaKczwZE/kAB/MU/K00ZL0dXKxKOg7l8lTlzW5M fiebQVLLcG3KHf9vjvxseCDklRXa8grWX2+p+lKRF17oTEwrNM1cfqk/qxCqd/Tw WwZQSohw8qdtAYDpiWYzCCqhmxy2jnBqr/yOWjtJGjFtg37pfxOgiVowiQpkfB/c gOLFAxsYbK2DIyyjLUaOgghAu15B3eiRNUpByoICMOpvyR/4CLQmT6sYo3HPpOHy WS6DU1JT1L66Ow9KdZUWWundQlrWyAl9dawpU641R1oTZABU+OmjyYdIcZmVnI5l VFrSV2Bjqpf+p6ssMMKeIJTGmW/KwAap0hX/oqWBCr5JQ8cDDm75xbkOaf3ZoQmJ JC0PpxZecms= =urFc - -----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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