Kernel: KVM: nVMX: use-after-free of the hrtimer for emulation of the preemption timer

A use-after-free vulnerability was found in the way the Linux kernel's KVM hypervisor emulates a preemption timer for L2 guests when nested =1 virtualization is enabled. This high resolution timerhrtimer runs when a L2 guest is active. After VM exit, the syncvmcs12 timer object is stopped. The...

SUSE-SU-2019:0054-2 Security update for systemd

This update for systemd fixes the following issues: Fix security vulnerabilities CVE-2018-16864 and CVE-2018-16865 bsc1120323: Both issues were memory corruptions via attacker-controlled alloca which could have been used to gain root privileges by a local attacker. Fix security vulnerability...

The vulnerability of the RouterOS operating system, related to errors in the watchdog timer, allows a intruder to reboot the device.

The vulnerability of the RouterOS operating system is related to errors in the watchdog timer’s operation. This vulnerability allows a malicious actor to reboot the vulnerable device remotely...

Debian: Security Advisory (DLA-1731-1)

The remote host is missing an update for the Debian 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...

openSUSE Security Update : the Linux Kernel (openSUSE-2019-769)

The openSUSE Leap 15.0 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2018-14633: A security flaw was found in the chapservercomputemd5 function in the ISCSI target code in a way an authentication request from an ISCSI initiator is...

Debian DLA-1715-1 : linux-4.9 security update (Spectre)

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. CVE-2017-18249 A race condition was discovered in the disk space allocator of F2FS. A user with access to an F2FS volume could use this to cause a deni...

[SECURITY] [DLA 1715-1] linux-4.9 security update

Package : linux-4.9 Version : 4.9.144-3.1deb8u1 CVE ID : CVE-2017-18249 CVE-2018-1128 CVE-2018-1129 CVE-2018-3639 CVE-2018-5391 CVE-2018-5848 CVE-2018-6554 CVE-2018-12896 CVE-2018-13053 CVE-2018-13096 CVE-2018-13097 CVE-2018-13100 CVE-2018-13406 CVE-2018-14610 CVE-2018-14611 CVE-2018-14612...

Linux Kernel 4.4 (Ubuntu 16.04) - 'snd_timer_user_ccallback()' Kernel Pointer Leak

include include include include include include include include include include include include include include Exploit Title: Linux Kernel 4.4 Ubuntu 16.04 - Leak kernel pointer in sndtimeruserccallback Google Dork: - Date: 2019-03-11 Exploit Author: wally0813 Vendor Homepage: - Software Link: -...

Linux Kernel 4.4 (Ubuntu 16.04) - snd_timer_user_ccallback() Kernel Pointer Leak Exploit

include include include include include include include include include include include include include include Exploit Title: Linux Kernel 4.4 Ubuntu 16.04 - Leak kernel pointer in sndtimeruserccallback Google Dork: - Date: 2019-03-11 Exploit Author: wally0813 Vendor Homepage: - Software Link: -...

Linux Kernel 4.4 (Ubuntu 16.04) - snd_timer_user_ccallback() Kernel Pointer Leak

Linux Kernel 4.4 Ubuntu 16.04 - sndtimeruserccallback Kernel Pointer Leak include include include include include include include include include include include include include include Exploit Title: Linux Kernel 4.4 Ubuntu 16.04 - Leak kernel pointer in sndtimeruserccallback Google Dork: - Date...

Important: kernel

Issue Overview: A use-after-free vulnerability was found in the way the Linux kernel's KVM hypervisor implements its device control API. While creating a device via kvmioctlcreatedevice, the device holds a reference to a VM object, later this reference is transferred to the caller's file descript...

SUSE SLES11 Security Update : kvm (SUSE-SU-2019:13962-1)

This update for kvm fixes the following issues : Security issues fixed : CVE-2019-6778: Fixed a heap buffer overflow issue in the SLiRP networking implementation bsc1123156. CVE-2018-19489: Fixed a denial of service vulnerability in virtfs bsc1117275. CVE-2018-19364: Fixed a use-after-free if the...

SUSE-SU-2019:13962-1 Security update for kvm

This update for kvm fixes the following issues: Security issues fixed: - CVE-2019-6778: Fixed a heap buffer overflow issue in the SLiRP networking implementation bsc1123156. - CVE-2018-19489: Fixed a denial of service vulnerability in virtfs bsc1117275. - CVE-2018-19364: Fixed a use-after-free if...

CVE-2019-7221

A use-after-free vulnerability was found in the way the Linux kernel's KVM hypervisor emulates a preemption timer for L2 guests when nested =1 virtualization is enabled. This high resolution timerhrtimer runs when a L2 guest is active. After VM exit, the syncvmcs12 timer object is stopped. The...

Information Disclosure

Linux kernel that is built with CONFIGPOSIXTIMERES and CONFIGCHECKPOINTRESTORE is vulnerable to information disclosure. An out-of-bounds access in the showtimer function in the timercreate syscall implementation in kernel/time/posix-timers.c allows userspace applications to read arbitrary kernel...

Information Disclosure

Linxu kernel is vulnerable to information disclosure. It was found that the timer functionality in the Linux kernel ALSA subsystem is prone to a race condition between read and ioctl system call handlers, resulting in an uninitialized memory disclosure to user space. A local user could use this...

SUSE SLES12 Security Update : systemd (SUSE-SU-2019:0054-1)

This update for systemd fixes the following issues : Fix security vulnerabilities CVE-2018-16864 and CVE-2018-16865 bsc1120323: Both issues were memory corruptions via attacker-controlled alloca which could have been used to gain root privileges by a local attacker. Fix security vulnerability...

SUSE SLES12 Security Update : systemd (SUSE-SU-2019:0053-1)

This update for systemd fixes the following issues : Fix security vulnerabilities CVE-2018-16864 and CVE-2018-16865 bsc1120323: Both issues were memory corruptions via attacker-controlled alloca which could have been used to gain root privileges by a local attacker. Fix security vulnerability...

SUSE-SU-2019:0054-1 Security update for systemd

This update for systemd fixes the following issues: Fix security vulnerabilities CVE-2018-16864 and CVE-2018-16865 bsc1120323: Both issues were memory corruptions via attacker-controlled alloca which could have been used to gain root privileges by a local attacker. Fix security vulnerability...

SUSE-SU-2019:0053-1 Security update for systemd

This update for systemd fixes the following issues: Fix security vulnerabilities CVE-2018-16864 and CVE-2018-16865 bsc1120323: Both issues were memory corruptions via attacker-controlled alloca which could have been used to gain root privileges by a local attacker. Fix security vulnerability...