CVE-2019-12817

arch/powerpc/mm/mmucontextbook3s64.c in the Linux kernel before 5.1.15 for powerpc has a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected...

Intel® Core Processors Memory Mapping Advisory

Summary: A potential security vulnerability in some microprocessors may allow information disclosure. Vulnerability Details: CVEID: CVE-2019-0162 Description: Memory access in virtual memory mapping for some microprocessors may allow an authenticated user to potentially enable information...

Splitting atoms in XNU

Posted by Ian Beer, Google Project Zero TL;DR A locking bug in the XNU virtual memory subsystem allowed violation of the preconditions required for the correctness of an optimized virtual memory operation. This was abused to create shared memory where it wasn't expected, allowing the creation of ...

[SECURITY] [DLA 1731-1] linux security update

Package : linux Version : 3.16.64-1 CVE ID : CVE-2016-10741 CVE-2017-5753 CVE-2017-13305 CVE-2018-3639 CVE-2018-5848 CVE-2018-5953 CVE-2018-12896 CVE-2018-13053 CVE-2018-16862 CVE-2018-16884 CVE-2018-17972 CVE-2018-18281 CVE-2018-18690 CVE-2018-18710 CVE-2018-19824 CVE-2018-19985 CVE-2018-20169...

Microsoft Windows Multiple Vulnerabilities (KB4489881)

This host is missing a critical security update according to Microsoft KB4489881 Copyright C 2019 Greenbone Networks GmbH 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-or-later This progra...

March 12, 2019—KB4489881 (Monthly Rollup)

None None...

Linux < 4.20.14 - Virtual Address 0 is Mappable via Privileged write() to /proc/*/mem Exploit

Linux memrw - accessremotevm - accessremotevm - getuserpagesremote - getuserpageslocked - getuserpages - findextendvma Then, if the VMA in question has the VMGROWSDOWN flag set: expandstack - expanddownwards - securitymmapaddr - capmmapaddr This, if the address is below dacmmapminaddr, does a...

Project Zero Discloses High-Severity Apple macOS Flaw

Researchers have disclosed what they say is a high-severity security flaw in Apple’s MacOS operating system – which has not yet been patched. The flaw gives an attacker privileges to perform malicious actions on a mounted filesystem – without the victim knowing. The Google Project Zero team...

DEBIAN-CVE-2018-19974

In YARA 3.8.1, bytecode in a specially crafted compiled rule can read uninitialized data from VM scratch memory in libyara/exec.c. This can allow attackers to discover addresses in the real stack not the YARA virtual stack...

RHEL 6 : kernel (RHSA-2018:2393)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:2393 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: Modern operating systems implement...

[SECURITY] Fedora 28 Update: procps-ng-3.3.12-2.fc28

The procps package contains a set of system utilities that provide system information. Procps includes ps, free, skill, pkill, pgrep, snice, tload, top, uptime, vmstat, w, watch and pwdx. The ps command displays a snapshot of running processes. The top command provides a repetitive update of the...

kernel: Improper error handling of VM_SHARED hugetlbfs mapping in mm/hugetlb.c

A flaw was found in the Linux kernel when freeing pages in hugetlbfs. This could trigger a local denial of service by crashing the kernel...

Digium Asterisk chan_skinny SCCP session Denial of Service (CVE-2017-17090)

A denial of service vulnerability exists in Digium Asterisk. The vulnerability is due to a processing flaw in the chanskinny SCCP packet processing module. A remote unauthenticated attacker can exploit this vulnerability by sending a flood of certain requests to asterisk and exhaust available...

VMSA-2018-0002 : VMware ESXi, Workstation and Fusion updates address side-channel analysis due to speculative execution. (Spectre)

Bounds Check bypass and Branch Target Injection issues CPU data cache timing can be abused to efficiently leak information out of mis-speculated CPU execution, leading to at worst arbitrary virtual memory read vulnerabilities across local security boundaries in various contexts. Speculative...

Meltdown/Spectre Multiple Browsers Speculative Execution (CVE-2017-5715; CVE-2017-5753; CVE-2017-5754; CVE-2018-3639)

A CPU speculative execution vulnerability exists in multiple processors. A remote attacker can exploit this vulnerability using JavaScript code. Successful exploitation allows a remote attacker to read arbitrary virtual memory...

VMware ESXi, Workstation and Fusion updates address side-channel analysis due to speculative execution.

Bounds-Check bypass and Branch Target Injection issues CPU data cache timing can be abused to efficiently leak information out of mis-speculated CPU execution, leading to at worst arbitrary virtual memory read vulnerabilities across local security boundaries in various contexts. Speculative...

Asterisk DoS Vulnerability

Asterisk is prone to a denial of service vulnerability. SPDX-FileCopyrightText: 2017 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 CPE = "cpe:/a:digium:asterisk"; if...

CVE-2017-17090

An issue was discovered in chanskinny.c in Asterisk Open Source 13.18.2 and older, 14.7.2 and older, and 15.1.2 and older, and Certified Asterisk 13.13-cert7 and older. If the chanskinny aka SCCP protocol channel driver is flooded with certain requests, it can cause the asterisk process to use...

CVE-2017-17090

An issue was discovered in chanskinny.c in Asterisk Open Source 13.18.2 and older, 14.7.2 and older, and 15.1.2 and older, and Certified Asterisk 13.13-cert7 and older. If the chanskinny aka SCCP protocol channel driver is flooded with certain requests, it can cause the asterisk process to use...

CVE-2017-17090

An issue was discovered in chanskinny.c in Asterisk Open Source 13.18.2 and older, 14.7.2 and older, and 15.1.2 and older, and Certified Asterisk 13.13-cert7 and older. If the chanskinny aka SCCP protocol channel driver is flooded with certain requests, it can cause the asterisk process to use...