CVE-2016-5728

Race condition in the vopioctl function in drivers/misc/mic/vop/vopvringh.c in the MIC VOP driver in the Linux kernel before 4.6.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service memory corruption and system crash by changing a certain header, ak...

CVE-2016-5728

CVE-2016-5728 is a local-privilege vulnerability in the Linux kernel MIC VOP driver (drivers/misc/mic/vop/vop_vringh.c). The race condition occurs in vop_ioctl where the driver performs two successive reads from user space to read a variable-length data structure, enabling a local user to either ...

CVE-2016-5728

Race condition in the vopioctl function in drivers/misc/mic/vop/vopvringh.c in the MIC VOP driver in the Linux kernel before 4.6.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service memory corruption and system crash by changing a certain header, ak...

CVE-2016-5728: Improper Restriction of Operations within the Bounds of a Memory Buffer

Race condition in the vopioctl function in drivers/misc/mic/vop/vopvringh.c in the MIC VOP driver in the Linux kernel before 4.6.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service memory corruption and system crash by changing a certain header, ak...

UBUNTU-CVE-2016-5728

Race condition in the vopioctl function in drivers/misc/mic/vop/vopvringh.c in the MIC VOP driver in the Linux kernel before 4.6.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service memory corruption and system crash by changing a certain header, ak...

CVE-2015-8550

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service host OS crash or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability...

DEBIAN-CVE-2015-8550

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service host OS crash or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability...

Double free

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service host OS crash or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability...

CVE-2015-8550

CVE-2015-8550 is reported in Xen as a double-fetch vulnerability affecting systems using PV backends. The issue arises when memory is shared between the Xen frontend and backend, enabling local guest OS administrators to either crash the host OS (DoS) or gain privileges. The description consisten...

CVE-2015-8550

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service host OS crash or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability...

CVE-2015-8550

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service host OS crash or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability...

CVE-2015-8550: Improper Access Control

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service host OS crash or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability...

Debian Security Advisory DSA 3471-1 (qemu - security update)

Several vulnerabilities were discovered in qemu, a full virtualization solution on x86 hardware. CVE-2015-7295 Jason Wang of Red Hat Inc. discovered that the Virtual Network Device support is vulnerable to denial-of-service, that could occur when receiving large packets. CVE-2015-7504 Qinghao Tan...

Ubuntu: Security Advisory (USN-2886-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2016 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...

Ubuntu 14.04 LTS : Linux kernel (Vivid HWE) vulnerabilities (USN-2854-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2854-1 advisory. Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the...

Ubuntu 15.10 : linux vulnerabilities (USN-2851-1)

Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service crash the host or potentially execute arbitrary code on the host. CVE-2015-8550...

Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-2848-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2848-1 advisory. Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the...

USN-2850-1: Linux kernel vulnerabilities

Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service crash the host or potentially execute arbitrary code on the host. CVE-2015-8550...

USN-2849-1 linux-lts-utopic vulnerabilities

Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service crash the host or potentially execute arbitrary code on the host. CVE-2015-8550...

paravirtualized drivers incautious about shared memory contents

ISSUE DESCRIPTION The compiler can emit optimizations in the PV backend drivers which can lead to double fetch vulnerabilities. Specifically the shared memory between the frontend and backend can be fetched twice during which time the frontend can alter the contents possibly leading to arbitrary...