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Kernel Files

Red Hat Security Advisory 2018-2732-01
Posted Sep 20, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2732-01 - The Simple Protocol for Independent Computing Environments is a remote display protocol for virtual environments. SPICE users can access a virtualized desktop or server from the local system or any system with network access to the server. SPICE is used in Red Hat Enterprise Linux for viewing virtualized guests running on the Kernel-based Virtual Machine hypervisor or on Red Hat Enterprise Virtualization Hypervisors. The spice-gtk packages provide a GIMP Toolkit widget for Simple Protocol for Independent Computing Environments clients. Both Virtual Machine Manager and Virtual Machine Viewer can make use of this widget to access virtual machines using the SPICE protocol. Issues addressed include buffer overflow and denial of service vulnerabilities.

tags | advisory, remote, denial of service, overflow, kernel, local, vulnerability, protocol
systems | linux, redhat
advisories | CVE-2018-10873
MD5 | 863d33eb921de55d54e521471f3d6064
FreeBSD Security Advisory - FreeBSD-SA-18:12.elf
Posted Sep 13, 2018
Authored by Fraunhofer FKIE, Thomas Barabosch, Mark Johnston | Site security.freebsd.org

FreeBSD Security Advisory - Insufficient validation was performed in the ELF header parser, and malformed or otherwise invalid ELF binaries were not rejected as they should be. Execution of a malicious ELF binary may result in a kernel crash or may disclose kernel memory.

tags | advisory, kernel
systems | freebsd, bsd
advisories | CVE-2018-6924
MD5 | 00b792f169afd323a3ed205a6d9a506d
Linux dmesg Arbitrary Kernel Read
Posted Sep 13, 2018
Authored by Jann Horn, Google Security Research

Linux suffers from an arbitrary kernel read into dmesg via a missing address check in the segfault handler.

tags | advisory, arbitrary, kernel
systems | linux
MD5 | 06e9283f3dd8c10929847de0f7b403d2
Sony PlayStation Vita 3.65 / 3.67 / 3.68 h-encore Kernel And User Modifications
Posted Sep 12, 2018
Authored by TheFloW

Whitepaper discussing h-encore kernel and user modifications on the Sony PlayStation Vita versions 3.65, 3.6,7, and 3.68.

tags | paper, kernel
MD5 | 762a4a1d5e95cb2c48917a945bbc5055
Kernel Live Patch Security Notice LSN-0043-1
Posted Sep 11, 2018
Authored by Benjamin M. Romer

Piotr Gabriel Kosinski and Daniel Shapira discovered a stack-based buffer overflow in the CDROM driver implementation of the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. Jann Horn discovered that the ext4 filesystem implementation in the Linux kernel did not properly keep xattr information consistent in some situations. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash) or possibly execute arbitrary code. Various other issues have also been addressed.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux
advisories | CVE-2018-11412, CVE-2018-11506, CVE-2018-12233, CVE-2018-13405, CVE-2018-13406
MD5 | 15d9cf4ac6ec9024e548bcb059849043
Ubuntu Security Notice USN-3763-1
Posted Sep 11, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3763-1 - Juha-Matti Tilli discovered that the TCP implementation in the Linux kernel performed algorithmically expensive operations in some situations when handling incoming packets. A remote attacker could use this to cause a denial of service.

tags | advisory, remote, denial of service, kernel, tcp
systems | linux, ubuntu
advisories | CVE-2018-5390
MD5 | 67c8344e6ac27fd52905ff9715d385a4
Ubuntu Security Notice USN-3762-2
Posted Sep 11, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3762-2 - USN-3762-1 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. It was discovered that the VirtIO subsystem in the Linux kernel did not properly initialize memory in some situations. A local attacker could use this to possibly expose sensitive information. Various other issues were also addressed.

tags | advisory, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-13695, CVE-2018-1118
MD5 | b3f8831743a64c024a52601e55681af9
Ubuntu Security Notice USN-3762-1
Posted Sep 11, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3762-1 - It was discovered that the VirtIO subsystem in the Linux kernel did not properly initialize memory in some situations. A local attacker could use this to possibly expose sensitive information. Seunghun Han discovered an information leak in the ACPI handling code in the Linux kernel when handling early termination of ACPI table loading. A local attacker could use this to expose sensitive informal. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-13695, CVE-2018-1118
MD5 | 94a6d9e84ad7294c473bb90ede0c6625
Dell EMC Isilon OneFS / IsilonSD Edge Remote Kernel Crash
Posted Sep 7, 2018
Site emc.com

Dell EMC Isilon OneFS versions 7.1.1.x, 7.2.1.x, 8.0.0.x, 8.0.1.x, 8.1.0.x and 8.1.x prior to 8.1.2 and Dell EMC IsilonSD Edge versions 8.0.0.x, 8.0.1.x, 8.1.0.x and 8.1.x prior to 8.1.2 contain a remote kernel crash vulnerability in the isi_drive_d process. An unauthenticated attacker may potentially exploit this vulnerability to crash the server operating system by sending specially crafted input data to the affected system.

tags | advisory, remote, kernel
advisories | CVE-2018-11071
MD5 | 76674481981fd7070d6d3eacf2efea03
Red Hat Security Advisory 2018-2645-01
Posted Sep 5, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2645-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, kernel
systems | linux, redhat
advisories | CVE-2018-5390
MD5 | 10c64cc3ac601ea0caacc671942ab4b9
Red Hat Security Advisory 2018-2602-01
Posted Aug 30, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2602-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include memory vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-3620, CVE-2018-3646
MD5 | 63470689b69ed53eeda0b6f2c3c15438
Red Hat Security Advisory 2018-2603-01
Posted Aug 29, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2603-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include memory vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-3620, CVE-2018-3646
MD5 | 3cdec497fa605c547651f469691a0e91
Slackware Security Advisory - Slackware 14.2 kernel Updates
Posted Aug 29, 2018
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New kernel packages are available for Slackware 14.2 to mitigate security issues.

tags | advisory, kernel
systems | linux, slackware
advisories | CVE-2018-3546, CVE-2018-3615, CVE-2018-3620
MD5 | f9ba37ef045dc9187e716f2a1d661385
Ubuntu Security Notice USN-3752-3
Posted Aug 29, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3752-3 - It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a denial of service. Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly validate meta-data information. An attacker could use this to construct a malicious xfs 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-2018-1000200, CVE-2018-1000204, CVE-2018-10323, CVE-2018-10840, CVE-2018-10881, CVE-2018-1093, CVE-2018-1108, CVE-2018-1120, CVE-2018-11412, CVE-2018-11506, CVE-2018-12232, CVE-2018-12233, CVE-2018-12904, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406, CVE-2018-5814, CVE-2018-9415
MD5 | 20c040051bfb9ac9dcc779b4d308caef
Ubuntu Security Notice USN-3756-1
Posted Aug 28, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3756-1 - It was discovered that memory present in the L1 data cache of an Intel CPU core may be exposed to a malicious process that is executing on the CPU core. This vulnerability is also known as L1 Terminal Fault. A local attacker in a guest virtual machine could use this to expose sensitive information. Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memory. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2018-3639, CVE-2018-3640, CVE-2018-3646
MD5 | 0beb2e2ffd5d058e98df53cffa756afb
Ubuntu Security Notice USN-3754-1
Posted Aug 27, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3754-1 - Ralf Spenneberg discovered that the ext4 implementation in the Linux kernel did not properly validate meta block groups. An attacker with physical access could use this to specially craft an ext4 image that causes a denial of service. It was discovered that an information disclosure vulnerability existed in the ACPI implementation of the Linux kernel. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, info disclosure
systems | linux, ubuntu
advisories | CVE-2016-10208, CVE-2017-11472, CVE-2017-11473, CVE-2017-14991, CVE-2017-15649, CVE-2017-16526, CVE-2017-16527, CVE-2017-16529, CVE-2017-16531, CVE-2017-16532, CVE-2017-16533, CVE-2017-16535, CVE-2017-16536, CVE-2017-16537, CVE-2017-16538, CVE-2017-16643, CVE-2017-16644, CVE-2017-16645, CVE-2017-16650, CVE-2017-16911, CVE-2017-16912, CVE-2017-16913, CVE-2017-16914, CVE-2017-17558, CVE-2017-18255, CVE-2017-18270
MD5 | 8fd248fb77a13c2c1319323d9c90a547
Ubuntu Security Notice USN-3753-1
Posted Aug 24, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3753-1 - It was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-13168, CVE-2018-10877, CVE-2018-10879, CVE-2018-10881, CVE-2018-12233, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406
MD5 | cf3741f7e3e80b17a174f1f6f5ad3137
Ubuntu Security Notice USN-3752-2
Posted Aug 24, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3752-2 - USN-3752-1 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. It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference could be triggered in the Linux kernel in some circumstances. 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-2018-1000200, CVE-2018-1000204, CVE-2018-10323, CVE-2018-10840, CVE-2018-10881, CVE-2018-1093, CVE-2018-1108, CVE-2018-1120, CVE-2018-11412, CVE-2018-11506, CVE-2018-12232, CVE-2018-12233, CVE-2018-12904, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406, CVE-2018-5814, CVE-2018-9415
MD5 | 91c44e956ab995ed6b9251ca5ef384c1
Ubuntu Security Notice USN-3752-1
Posted Aug 24, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3752-1 - It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a denial of service. Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly validate meta-data information. An attacker could use this to construct a malicious xfs 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-2018-1000200, CVE-2018-1000204, CVE-2018-10323, CVE-2018-10840, CVE-2018-10881, CVE-2018-1093, CVE-2018-1108, CVE-2018-1120, CVE-2018-11412, CVE-2018-11506, CVE-2018-12232, CVE-2018-12233, CVE-2018-12904, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406, CVE-2018-5814, CVE-2018-9415
MD5 | 87777064ee88c75fe68909aa01bf4c16
Ubuntu Security Notice USN-3753-2
Posted Aug 24, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3753-2 - USN-3753-1 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 generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. Various other issues were also addressed.

tags | advisory, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-13168, CVE-2018-10877, CVE-2018-10879, CVE-2018-10881, CVE-2018-12233, CVE-2018-13094, CVE-2018-13405, CVE-2018-13406
MD5 | 234bbf68693ec95d96dfc20c3d73c2de
Ubuntu Security Notice USN-3748-1
Posted Aug 21, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3748-1 - Sander Bos discovered that the MOTD update script incorrectly handled temporary files. A local attacker could use this issue to cause a denial of service, or possibly escalate privileges if kernel symlink restrictions were disabled.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2018-6557
MD5 | 705b2db9589f98666a78c74f28f951fd
Ubuntu Security Notice USN-3742-3
Posted Aug 21, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3742-3 - USN-3742-2 introduced mitigations in the Linux Hardware Enablement kernel for Ubuntu 12.04 ESM to address L1 Terminal Fault vulnerabilities. Unfortunately, the update introduced regressions that caused kernel panics when booting in some environments as well as preventing Java applications from starting. This update fixes the problems. Various other issues were also addressed.

tags | advisory, java, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-18344, CVE-2018-3620, CVE-2018-3646, CVE-2018-5390, CVE-2018-5391
MD5 | 5184a56084d4f6684863c627c85bd1a7
Debian Security Advisory 4279-1
Posted Aug 20, 2018
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4279-1 - Multiple researchers have discovered a vulnerability in the way the Intel processor designs have implemented speculative execution of instructions in combination with handling of page-faults. This flaw could allow an attacker controlling an unprivileged process to read memory from arbitrary (non-user controlled) addresses, including from the kernel and all other processes running on the system or cross guest/host boundaries to read host memory.

tags | advisory, arbitrary, kernel
systems | linux, debian
advisories | CVE-2018-3620, CVE-2018-3646
MD5 | aab9fef60b5c6ccfcb3e7fcbbcf56798
Ubuntu Security Notice USN-3741-3
Posted Aug 18, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3741-3 - USN-3741-1 introduced mitigations in the Linux kernel for Ubuntu 14.04 LTS to address L1 Terminal Fault vulnerabilities. Unfortunately, the update introduced regressions that caused kernel panics when booting in some environments as well as preventing Java applications from starting. This update fixes the problems. Various other issues were also addressed.

tags | advisory, java, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-3646
MD5 | 78bd7446a67ac87a2da4cf6fe7c112df
Red Hat Security Advisory 2018-2462-01
Posted Aug 16, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2462-01 - 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 buffer overflow vulnerability.

tags | advisory, overflow, kernel
systems | linux, redhat
advisories | CVE-2018-11806, CVE-2018-7550
MD5 | e3685b7f1569a8e50b569e70cb3f0c66
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