CVE-2019-3887

A flaw was found in the way KVM hypervisor handled x2APIC Machine Specific Register MSR access with nested=1 virtualization enabled. In that, L1 guest could access L0's APIC register values via L2 guest, when 'virtualize x2APIC mode' is enabled. A guest could use this flaw to potentially crash th...

NewStart CGSL CORE 5.05 / MAIN 5.05 : kernel-rt Multiple Vulnerabilities (NS-SA-2019-0253)

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has kernel-rt packages installed that are affected by multiple vulnerabilities: - A flaw was found in the Linux kernel's NFS41+ subsystem. NFS41+ shares mounted in different network namespaces at the same time can make...

Oracle Linux 6 : kernel (ELSA-2019-4256)

The remote Oracle Linux 6 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2019-4256 advisory. - virt KVM: coalescedmmio: add bounds checking Bandan Das 1746799 CVE-2019-14821 - virt KVM: MMIO: Lock coalesced device when checking for available entry Banda...

CVE-2019-19332

An out-of-bounds memory write issue was found in the way the Linux kernel's KVM hypervisor handled the 'KVMGETEMULATEDCPUID' ioctl2 request to get CPUID features emulated by the KVM hypervisor. A user or process able to access the '/dev/kvm' device could use this flaw to crash the system, resulti...

NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel-rt Multiple Vulnerabilities (NS-SA-2019-0222)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has kernel-rt packages installed that are affected by multiple vulnerabilities: - Microarchitectural Store Buffer Data Sampling MSBDS: Store buffers on some microprocessors utilizing speculative execution may allow an...

MGASA-2019-0333 Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on the upstream 5.3.11 and fixes at least the following security issues: Insufficient access control in a subsystem for Intel R processor graphics may allow an authenticated user to potentially enable escalation of privilege via local access CVE-2019-0155. A...

Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on the upstream 5.3.11 and fixes at least the following security issues: Insufficient access control in a subsystem for Intel R processor graphics may allow an authenticated user to potentially enable escalation of privilege via local access CVE-2019-0155. A...

Kernel: KVM: leak of uninitialized stack contents to guest

An information leakage issue was found in the way Linux kernel's KVM hypervisor handled page fault exceptions while emulating instructions like VMXON, VMCLEAR, VMPTRLD, and VMWRITE with memory address as an operand. It occurs if the operand is a mmio address, as the returned exception object hold...

USN-4163-2: Linux kernel (Xenial HWE) vulnerabilities

USN-4163-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 ESM. It was discovered that a race condition existed in the ARC EMAC ethernet driver for th...

Ubuntu: Security Advisory (USN-4163-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2019 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

X11 Mesa 3D Graphics Library shared memory permissions vulnerability

Summary An exploitable shared memory permissions vulnerability exists in the functionality of X11 Mesa 3D Graphics Library. An attacker can access the shared memory without any specific permissions to trigger this vulnerability. Tested Versions Mesa 3D X11 Graphics library 19.1.2 Product URLs...

Ubuntu: Security Advisory (USN-4162-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2019 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2018-10853

A flaw was found in the way Linux kernel KVM hypervisor emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilegeCPL level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside...

USN-4163-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the ARC EMAC ethernet driver for the Linux kernel, resulting in a use-after-free vulnerability. An attacker could use this to cause a denial of service system crash. CVE-2016-10906 It was discovered that a race condition existed in the Serial...

USN-4163-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that a race condition existed in the ARC EMAC ethernet driver for the Linux kernel, resulting in a use-after-free vulnerability. An attacker could use this to cause a denial of service system crash. CVE-2016-10906 It was discovered that a race condition existed in the Serial...

USN-4157-2: Linux kernel (HWE) vulnerabilities

USN-4157-1 fixed vulnerabilities in the Linux kernel for Ubuntu 19.04. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 19.04 for Ubuntu 18.04 LTS. Wen Huang discovered that the Marvell Wi-Fi device driver in the Linux kernel did not properly...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4162-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4162-1 advisory. It was discovered that the RSI 91x Wi-Fi driver in the Linux kernel did not did not handle detach operations correctly, leading to a...

Ubuntu 18.04 LTS : Linux kernel (HWE) vulnerabilities (USN-4157-2)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4157-2 advisory. USN-4157-1 fixed vulnerabilities in the Linux kernel for Ubuntu 19.04. This update provides the corresponding updates for the Linux Hardware Enablement H...

SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2019:2706-1)

The SUSE Linux Enterprise 15 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2019-15291: There was a NULL pointer dereference, caused by a malicious USB device in the flexcopusbprobe function in the drivers/media/usb/b2c2/flexcop-usb.c...

Ubuntu 19.04 : Linux kernel vulnerabilities (USN-4157-1)

Wen Huang discovered that the Marvell Wi-Fi device driver in the Linux kernel did not properly perform bounds checking, leading to a heap overflow. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2019-14814, CVE-2019-14815,...