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Kernel Files

Red Hat Security Advisory 2019-1169-01
Posted May 15, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-1169-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a CPU related vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091
MD5 | 435c071b77c017b8c9f94cf6341b2bac
Red Hat Security Advisory 2019-1181-01
Posted May 15, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-1181-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Issues addressed include a CPU related vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091
MD5 | 01ed9dfc7473c4789e622dd693eebad8
Red Hat Security Advisory 2019-1174-01
Posted May 15, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-1174-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include CPU related vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091
MD5 | 21766dce56d9c4c195ec946cd9327f25
Red Hat Security Advisory 2019-1167-01
Posted May 15, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-1167-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include CPU related vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091
MD5 | 1cbaaaa59a9f3ddb44070aae4798d73c
Red Hat Security Advisory 2019-1175-01
Posted May 15, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-1175-01 - Kernel-based Virtual Machine offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems. Issues addressed include buffer overflow and out of bounds write vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2018-20815, CVE-2019-11091, CVE-2019-3855, CVE-2019-3856, CVE-2019-3857, CVE-2019-3863
MD5 | 67a8f4a2c3cfd1ef5fa1086fd81faefb
Linux Siemens R3964 Line Discipline Missing Lock
Posted Apr 23, 2019
Authored by Jann Horn, Google Security Research

The Siemens R3964 line discipline code in drivers/tty/n_r3964.c has a few races around its ioctl handler; for example, the handler for R3964_ENABLE_SIGNALS just allocates and deletes elements in a linked list with zero locking. This code is reachable by an unprivileged user if the line discipline is enabled in the kernel config; Ubuntu 18.04, for example, ships this line discipline as a module.

tags | exploit, kernel
systems | linux, ubuntu
MD5 | 1820caa252c106e5cc11b80e59c7e65c
Red Hat Security Advisory 2019-0818-01
Posted Apr 23, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0818-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2019-6974, CVE-2019-7221
MD5 | af2546ab35e9cd32d666eeed6c72825e
Red Hat Security Advisory 2019-0831-01
Posted Apr 23, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0831-01 - The kernel-alt packages provide the Linux kernel version 4.x. Issues addressed include bypass, denial of service, null pointer, and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-13053, CVE-2018-13094, CVE-2018-14734, CVE-2018-17972, CVE-2018-18281, CVE-2018-18386, CVE-2018-18397, CVE-2019-9213
MD5 | d6ec640db8fd0bd0e1a726116e345a3f
Red Hat Security Advisory 2019-0833-01
Posted Apr 23, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0833-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2019-6974, CVE-2019-7221
MD5 | 9dcbc4c50c1317bdb89525afe9423776
Red Hat Security Advisory 2019-0717-01
Posted Apr 9, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0717-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a null pointer vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2018-13405
MD5 | 9317774103507939fc5267de2d62e87f
Ubuntu Security Notice USN-3935-1
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3935-1 - Tyler Hicks discovered that BusyBox incorrectly handled symlinks inside tar archives. If a user or automated system were tricked into processing a specially crafted tar archive, a remote attacker could overwrite arbitrary files outside of the current directory. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. Mathias Krause discovered that BusyBox incorrectly handled kernel module loading restrictions. A local attacker could possibly use this issue to bypass intended restrictions. This issue only affected Ubuntu 14.04 LTS. Various other issues were also addressed.

tags | advisory, remote, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-5325, CVE-2014-9645, CVE-2015-9261, CVE-2016-2147, CVE-2016-2148, CVE-2017-15873, CVE-2017-16544, CVE-2018-1000517, CVE-2018-20679
MD5 | 537cbc38c3f21a909d462cda7acf5390
Ubuntu Security Notice USN-3934-1
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3934-1 - It was discovered that PolicyKit incorrectly relied on the fork system call in the Linux kernel being atomic. A local attacker could possibly use this issue to gain access to services that have cached authorizations.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2019-6133
MD5 | 7bcf3c55b5d0c03de851971d584765dc
Ubuntu Security Notice USN-3933-2
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3933-2 - USN-3933-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. It was discovered that an information leak vulnerability existed in the Bluetooth implementation of the Linux kernel. An attacker within Bluetooth range could possibly expose sensitive information. Various other issues were also addressed.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-1000410, CVE-2017-18360, CVE-2018-19824, CVE-2019-3460, CVE-2019-6974, CVE-2019-7222, CVE-2019-9213
MD5 | b78fefb193ca299bd8798a3f0e9cfc39
Ubuntu Security Notice USN-3933-1
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3933-1 - It was discovered that an information leak vulnerability existed in the Bluetooth implementation of the Linux kernel. An attacker within Bluetooth range could possibly expose sensitive information. It was discovered that the USB serial device driver in the Linux kernel did not properly validate baud rate settings when debugging is enabled. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-1000410, CVE-2017-18360, CVE-2018-19824, CVE-2019-3460, CVE-2019-6974, CVE-2019-7222, CVE-2019-9213
MD5 | c6a1e9ef0ee7cd623c284d5d2c87b9a1
Ubuntu Security Notice USN-3932-2
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3932-2 - USN-3932-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that a race condition existed in the f2fs file system implementation in the Linux kernel. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-18249, CVE-2018-14610, CVE-2018-14612, CVE-2018-14613, CVE-2018-14614, CVE-2018-14616, CVE-2018-16884, CVE-2018-9517, CVE-2019-3459, CVE-2019-3701, CVE-2019-3819, CVE-2019-6974, CVE-2019-7221, CVE-2019-7222, CVE-2019-9213
MD5 | c8aeb128181b7d8ea050f623d95a395e
Ubuntu Security Notice USN-3932-1
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3932-1 - It was discovered that a race condition existed in the f2fs file system implementation in the Linux kernel. A local attacker could use this to cause a denial of service. Wen Xu discovered that the f2fs file system implementation in the Linux kernel did not properly validate metadata. An attacker could use this to construct a malicious f2fs image that, when mounted, could cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-18249, CVE-2018-14610, CVE-2018-14612, CVE-2018-14613, CVE-2018-14614, CVE-2018-14616, CVE-2018-16884, CVE-2018-9517, CVE-2019-3459, CVE-2019-3701, CVE-2019-3819, CVE-2019-6974, CVE-2019-7221, CVE-2019-7222, CVE-2019-9213
MD5 | 8a7e323053a3b6c044afbb4d8c0594bb
Ubuntu Security Notice USN-3931-2
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3931-2 - USN-3931-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS and for the Linux Azure kernel for Ubuntu 14.04 LTS. M. Vefa Bicakci and Andy Lutomirski discovered that the kernel did not properly set up all arguments to an error handler callback used when running as a paravirtualized guest. An unprivileged attacker in a paravirtualized guest VM could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-14678, CVE-2018-18021, CVE-2018-19824, CVE-2019-3460, CVE-2019-6974, CVE-2019-7221, CVE-2019-7222, CVE-2019-7308, CVE-2019-8912, CVE-2019-8980, CVE-2019-9213
MD5 | 9df4a9429f2b343c6821c2ba1bac6165
Ubuntu Security Notice USN-3931-1
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3931-1 - M. Vefa Bicakci and Andy Lutomirski discovered that the kernel did not properly set up all arguments to an error handler callback used when running as a paravirtualized guest. An unprivileged attacker in a paravirtualized guest VM could use this to cause a denial of service. It was discovered that the KVM implementation in the Linux kernel on ARM 64bit processors did not properly handle some ioctls. An attacker with the privilege to create KVM-based virtual machines could use this to cause a denial of service or execute arbitrary code in the host. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2018-14678, CVE-2018-18021, CVE-2018-19824, CVE-2019-3460, CVE-2019-6974, CVE-2019-7221, CVE-2019-7222, CVE-2019-7308, CVE-2019-8912, CVE-2019-8980, CVE-2019-9213
MD5 | 9f1f75dea510a42aad60524b705fc805
Ubuntu Security Notice USN-3930-2
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3930-2 - USN-3930-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.10. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 18.10 for Ubuntu 18.04 LTS. Mathias Payer and Hui Peng discovered a use-after-free vulnerability in the Advanced Linux Sound Architecture subsystem. A physically proximate attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-19824, CVE-2019-6974, CVE-2019-7221, CVE-2019-7222, CVE-2019-7308, CVE-2019-8912, CVE-2019-8956, CVE-2019-8980, CVE-2019-9003, CVE-2019-9162, CVE-2019-9213
MD5 | 9c768824f53a303a95665d17f07a9cae
Ubuntu Security Notice USN-3930-1
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3930-1 - Mathias Payer and Hui Peng discovered a use-after-free vulnerability in the Advanced Linux Sound Architecture subsystem. A physically proximate attacker could use this to cause a denial of service. Shlomi Oberman, Yuli Shapiro, and Ran Menscher discovered an information leak in the Bluetooth implementation of the Linux kernel. An attacker within Bluetooth range could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2018-19824, CVE-2019-6974, CVE-2019-7221, CVE-2019-7222, CVE-2019-7308, CVE-2019-8912, CVE-2019-8956, CVE-2019-8980, CVE-2019-9003, CVE-2019-9162, CVE-2019-9213
MD5 | 44762295a5d4aa774924b5f20c9e3872
Red Hat Security Advisory 2019-0641-01
Posted Mar 26, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0641-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include denial of service and use-after-free vulnerabilities.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2017-7482, CVE-2018-10902, CVE-2018-12929, CVE-2018-12930, CVE-2018-12931, CVE-2018-5803
MD5 | 1784b90050430a77d9c7c2b501b90853
Ubuntu Security Notice USN-3910-1
Posted Mar 16, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3910-1 - It was discovered that the f2fs filesystem implementation in the Linux kernel did not handle the noflush_merge mount option correctly. An attacker could use this to cause a denial of service. It was discovered that the procfs filesystem did not properly handle processes mapping some memory elements onto files. A local attacker could use this to block utilities that examine the procfs filesystem to report operating system state, such as ps. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-18241, CVE-2018-1120, CVE-2018-19985, CVE-2018-7740, CVE-2019-6133
MD5 | 4c9e16088685e925a3c78db741714aee
Ubuntu Security Notice USN-3910-2
Posted Mar 16, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3910-2 - USN-3910-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that the f2fs filesystem implementation in the Linux kernel did not handle the noflush_merge mount option correctly. An attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-18241, CVE-2018-1120, CVE-2018-19985, CVE-2018-7740, CVE-2019-6133
MD5 | 90737e4356a35bc59a396e5d7a1d20a2
Ubuntu Security Notice USN-3908-2
Posted Mar 14, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3908-2 - USN-3908-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. Jann Horn discovered a race condition in the fork system call in the Linux kernel. A local attacker could use this to gain access to services that cache authorizations. Various other issues were also addressed.

tags | advisory, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2019-6133
MD5 | dbb305ea7db319ebed15a4e2411d5c52
Root Cause Of The CVE-2019-0808 Kernel Privilege Escalation
Posted Mar 14, 2019
Authored by 360 Core Security | Site blogs.360.cn

This is a write up detailing the root cause of the kernel privilege escalation vulnerabilities Microsoft patched on March 12, 2019.

tags | exploit, kernel, root, vulnerability
advisories | CVE-2019-0808
MD5 | 8520f0c9a26e0a2ded5a338ad6ac17cd
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