The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207)
* hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)
* hw: Intel GPU Denial Of Service while accessing MMIO in lower power state (CVE-2019-0154)
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.
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Advisory DSA 4564-1 (linux - security update)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2018-12126", "CVE-2019-0155", "CVE-2018-12207", "CVE-2018-12127", "CVE-2019-11135", "CVE-2019-0154", "CVE-2019-11091", "CVE-2018-12130"], "modified": "2019-11-29T00:00:00", "id": "OPENVAS:1361412562310704564", "href": "http://plugins.openvas.org/nasl.php?oid=1361412562310704564", "sourceData": "# Copyright (C) 2019 Greenbone Networks GmbH\n# Text descriptions are largely excerpted from the referenced\n# advisory, and are Copyright (C) the respective author(s)\n#\n# SPDX-License-Identifier: GPL-2.0-or-later\n#\n# This program is free software; you can redistribute it and/or\n# modify it under the terms of the GNU General Public License\n# as published by the Free Software Foundation; either version 2\n# of the License, or (at your option) any later version.\n#\n# This program is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n\nif(description)\n{\n script_oid(\"1.3.6.1.4.1.25623.1.0.704564\");\n script_version(\"2019-11-29T08:04:17+0000\");\n script_cve_id(\"CVE-2018-12126\", \"CVE-2018-12127\", \"CVE-2018-12130\", \"CVE-2018-12207\", \"CVE-2019-0154\", \"CVE-2019-0155\", \"CVE-2019-11091\", \"CVE-2019-11135\");\n script_tag(name:\"cvss_base\", value:\"7.2\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:L/AC:L/Au:N/C:C/I:C/A:C\");\n script_tag(name:\"last_modification\", value:\"2019-11-29 08:04:17 +0000 (Fri, 29 Nov 2019)\");\n script_tag(name:\"creation_date\", value:\"2019-11-14 03:00:28 +0000 (Thu, 14 Nov 2019)\");\n script_name(\"Debian Security Advisory DSA 4564-1 (linux - security update)\");\n script_category(ACT_GATHER_INFO);\n script_copyright(\"Copyright (C) 2019 Greenbone Networks GmbH\");\n script_family(\"Debian Local Security Checks\");\n script_dependencies(\"gather-package-list.nasl\");\n script_mandatory_keys(\"ssh/login/debian_linux\", \"ssh/login/packages\", re:\"ssh/login/release=DEB(9|10)\");\n\n script_xref(name:\"URL\", value:\"https://www.debian.org/security/2019/dsa-4564.html\");\n script_xref(name:\"URL\", value:\"https://security-tracker.debian.org/tracker/DSA-4564-1\");\n\n script_tag(name:\"summary\", value:\"The remote host is missing an update for the 'linux'\n package(s) announced via the DSA-4564-1 advisory.\");\n\n script_tag(name:\"vuldetect\", value:\"Checks if a vulnerable package version is present on the target host.\");\n\n script_tag(name:\"insight\", value:\"Several vulnerabilities have been discovered in the Linux kernel that\nmay lead to a privilege escalation, denial of service, or information\nleak.\n\nCVE-2018-12207\nIt was discovered that on Intel CPUs supporting hardware\nvirtualisation with Extended Page Tables (EPT), a guest VM may\nmanipulate the memory management hardware to cause a Machine Check\nError (MCE) and denial of service (hang or crash).\n\nThe guest triggers this error by changing page tables without a\nTLB flush, so that both 4 KB and 2 MB entries for the same virtual\naddress are loaded into the instruction TLB (iTLB). This update\nimplements a mitigation in KVM that prevents guest VMs from\nloading 2 MB entries into the iTLB. This will reduce performance\nof guest VMs.\n\nA qemu update adding support for the PSCHANGE_MC_NO feature, which\nallows to disable iTLB Multihit mitigations in nested hypervisors\nwill be provided via DSA 4566-1.\n\n\nCVE-2019-0154\nIntel discovered that on their 8th and 9th generation GPUs,\nreading certain registers while the GPU is in a low-power state\ncan cause a system hang. A local user permitted to use the GPU\ncan use this for denial of service.\n\nThis update mitigates the issue through changes to the i915\ndriver.\n\n\nCVE-2019-0155\nIntel discovered that their 9th generation and newer GPUs are\nmissing a security check in the Blitter Command Streamer (BCS). A\nlocal user permitted to use the GPU could use this to access any\nmemory that the GPU has access to, which could result in a denial\nof service (memory corruption or crash), a leak of sensitive\ninformation, or privilege escalation.\n\nThis update mitigates the issue by adding the security check to\nthe i915 driver.\n\n\nCVE-2019-11135It was discovered that on Intel CPUs supporting transactional\nmemory (TSX), a transaction that is going to be aborted may\ncontinue to execute speculatively, reading sensitive data from\ninternal buffers and leaking it through dependent operations.\nIntel calls this TSX Asynchronous Abort\n(TAA).\n\nFor CPUs affected by the previously published Microarchitectural\nData Sa ...\n\n Description truncated. 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isdpkgvuln(pkg:\"linux-headers-4.19.0-6-all-s390x\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-4.19.0-6-amd64\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-4.19.0-6-arm64\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-4.19.0-6-armmp\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-4.19.0-6-armmp-lpae\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-4.19.0-6-cloud-amd64\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-4.19.0-6-common\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-4.19.0-6-common-rt\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-4.19.0-6-loongson-3\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-4.19.0-6-marvell\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-4.19.0-6-octeon\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-4.19.0-6-powerpc64le\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-4.19.0-6-rpi\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-4.19.0-6-rt-686-pae\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-headers-4.19.0-6-rt-amd64\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n 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isdpkgvuln(pkg:\"linux-image-4.19.0-6-686-dbg\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-4.19.0-6-686-pae-dbg\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-4.19.0-6-686-pae-unsigned\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-4.19.0-6-686-unsigned\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-4.19.0-6-amd64-dbg\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-4.19.0-6-amd64-unsigned\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"linux-image-4.19.0-6-arm64-dbg\", ver:\"4.19.67-2+deb10u2\", rls:\"DEB10\"))) {\n report += res;\n}\nif(!isnull(res = 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(C) by the respective right holder(s).\n#\n# SPDX-License-Identifier: GPL-2.0-or-later\n#\n# This program is free software; you can redistribute it and/or\n# modify it under the terms of the GNU General Public License\n# as published by the Free Software Foundation; either version 2\n# of the License, or (at your option) any later version.\n#\n# This program is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n\nif(description)\n{\n script_oid(\"1.3.6.1.4.1.25623.1.0.844274\");\n script_version(\"2020-05-05T07:00:07+0000\");\n script_cve_id(\"CVE-2019-11135\", \"CVE-2019-0155\", \"CVE-2018-12207\", \"CVE-2019-0154\", \"CVE-2019-15791\", \"CVE-2019-15792\", \"CVE-2019-15793\", \"CVE-2019-16746\", \"CVE-2019-17666\");\n script_tag(name:\"cvss_base\", value:\"8.3\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:A/AC:L/Au:N/C:C/I:C/A:C\");\n script_tag(name:\"last_modification\", value:\"2020-05-05 07:00:07 +0000 (Tue, 05 May 2020)\");\n script_tag(name:\"creation_date\", value:\"2019-12-12 03:00:56 +0000 (Thu, 12 Dec 2019)\");\n script_name(\"Ubuntu Update for linux USN-4183-1\");\n script_category(ACT_GATHER_INFO);\n script_copyright(\"Copyright (C) 2019 Greenbone Networks GmbH\");\n script_family(\"Ubuntu Local Security Checks\");\n script_dependencies(\"gather-package-list.nasl\");\n script_mandatory_keys(\"ssh/login/ubuntu_linux\", \"ssh/login/packages\", re:\"ssh/login/release=UBUNTU19\\.10\");\n\n script_xref(name:\"USN\", value:\"4183-1\");\n script_xref(name:\"URL\", value:\"https://lists.ubuntu.com/archives/ubuntu-security-announce/2019-November/005194.html\");\n\n script_tag(name:\"summary\", value:\"The remote host is missing an update for the 'linux'\n package(s) announced via the USN-4183-1 advisory.\");\n\n script_tag(name:\"vuldetect\", value:\"Checks if a vulnerable package version is present on the target host.\");\n\n script_tag(name:\"insight\", value:\"Stephan van Schaik, Alyssa Milburn, Sebastian \u00d6sterlund, Pietro Frigo,\nKaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz\nLipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel\nprocessors using Transactional Synchronization Extensions (TSX) could\nexpose memory contents previously stored in microarchitectural buffers to a\nmalicious process that is executing on the same CPU core. A local attacker\ncould use this to expose sensitive information. (CVE-2019-11135)\n\nIt was discovered that the Intel i915 graphics chipsets allowed userspace\nto modify page table entries via writes to MMIO from the Blitter Command\nStreamer and expose kernel memory information. A local attacker could use\nthis to expose sensitive information or possibly elevate privileges.\n(CVE-2019-0155)\n\nDeepak Gupta discovered that on certain Intel processors, the Linux kernel\ndid not properly perform invalidation on page table updates by virtual\nguest operating systems. A local attacker in a guest VM could use this to\ncause a denial of service (host system crash). (CVE-2018-12207)\n\nIt was discovered that the Intel i915 graphics chipsets could cause a\nsystem hang when userspace performed a read from GT memory mapped input\noutput (MMIO) when the product is in certain low power states. A local\nattacker could use this to cause a denial of service. 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(RHSA-2019:3840) Important: kernel security update
