"Huge Dirty COW" (CVE-2017–1000405)

The “Dirty COW” vulnerability CVE-2016–5195 is one of the most hyped and branded vulnerabilities published. Every Linux version from the last decade, including Android, desktops and servers was vulnerable. The impact was vast — millions of users could be compromised easily and reliably, bypassing...

CVE-2017-1000405

The Linux Kernel versions 2.6.38 through 4.14 have a problematic use of pmdmkdirty in the touchpmd function inside the THP implementation. touchpmd can be reached by getuserpages. In such case, the pmd will become dirty. This scenario breaks the new canfollowwritepmd's logic - pmd can become dirt...

Linux Kernel - 'The Huge Dirty Cow' Overwriting The Huge Zero Page (1)

// EDB Note: Source https://medium.com/bindecy/huge-dirty-cow-cve-2017-1000405-110eca132de0 // EDB Note: Source https://github.com/bindecy/HugeDirtyCowPOC // Author Note: Before running, make sure to set transparent huge pages to "always": // echo always | sudo tee...

Exploit for Race Condition in Linux Linux_Kernel

"Huge Dirty Cow" POC A POC for the Huge Dirty Cow vulnerabili...

First Android Malware Found Exploiting Dirty COW Linux Flaw to Gain Root Privileges

Nearly a year after the disclosure of the Dirty COW vulnerability that affected the Linux kernel, cybercriminals have started exploiting the vulnerability against Android users, researchers have warned. Publicly disclosed last year in October, Dirty COW was present in a section of the Linux...

CVE-2017-13673

An assert failure issue was found in the VGA display emulator built into the Quick emulator QEMU. It could occur while updating graphics display, due to miscalculating region for dirty bitmap snapshot in split screen mode. A privileged user/process inside guest could use this flaw to crash the QE...

DEBIAN-CVE-2017-13673

The vga display update in mis-calculated the region for the dirty bitmap snapshot in case split screen mode is used causing a denial of service assertion failure in the cpuphysicalmemorysnapshotgetdirty function...

CVE-2017-13673

The vga display update in mis-calculated the region for the dirty bitmap snapshot in case split screen mode is used causing a denial of service assertion failure in the cpuphysicalmemorysnapshotgetdirty function...

CVE-2017-13673

CVE-2017-13673 affects QEMU’s VGA display path used by QEMU/KVM. The flaw arises from a miscalculation of the region for the dirty bitmap snapshot during split-screen display, which can trigger an assertion failure in cpu_physical_memory_snapshot_get_dirty and cause a denial of service. The issue...

CVE-2017-13673

The vga display update in mis-calculated the region for the dirty bitmap snapshot in case split screen mode is used causing a denial of service assertion failure in the cpuphysicalmemorysnapshotgetdirty function...

SUSE SLES12 Security Update : kernel (SUSE-SU-2017:1285-1)

This update for the Linux Kernel 3.12.60-5249 fixes several issues. The following security bugs were fixed : - CVE-2017-7308: The packetsetring function in net/packet/afpacket.c in the Linux kernel did not properly validate certain block-size data, which allowed local users to cause a denial of...

SUSE-SU-2017:1299-1 Security update for Linux Kernel Live Patch 13 for SLE 12

This update for the Linux Kernel 3.12.55-5245 fixes several issues. The following security bugs were fixed: - CVE-2017-7308: The packetsetring function in net/packet/afpacket.c in the Linux kernel did not properly validate certain block-size data, which allowed local users to cause a denial of...

SUSE-SU-2017:1293-1 Security update for Linux Kernel Live Patch 6 for SLE 12 SP1

This update for the Linux Kernel 3.12.59-6045 fixes several issues. The following security bugs were fixed: - CVE-2017-7308: The packetsetring function in net/packet/afpacket.c in the Linux kernel did not properly validate certain block-size data, which allowed local users to cause a denial of...

SUSE-SU-2017:1284-1 Security update for Linux Kernel Live Patch 7 for SLE 12 SP1

This update for the Linux Kernel 3.12.62-6062 fixes several issues. The following security bugs were fixed: - CVE-2017-7308: The packetsetring function in net/packet/afpacket.c in the Linux kernel did not properly validate certain block-size data, which allowed local users to cause a denial of...

SUSE-SU-2017:1300-1 Security update for Linux Kernel Live Patch 15 for SLE 12

This update for the Linux Kernel 3.12.60-5254 fixes several issues. The following security bugs were fixed: - CVE-2017-7308: The packetsetring function in net/packet/afpacket.c in the Linux kernel did not properly validate certain block-size data, which allowed local users to cause a denial of...

OracleVM 3.3 : Unbreakable / etc (OVMSA-2017-0057) (Dirty COW)

The remote OracleVM system is missing necessary patches to address critical security updates : please see Oracle VM Security Advisory OVMSA-2017-0057 for details. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The package checks in this plugin were extracted from OracleVM Security Advisory...

Impact of New Linux Kernel DCCP Vulnerability Limited

Linux providers are busy developing and pushing out patches for a vulnerability in an obscure networking protocol that could allow a local attacker to crash the kernel and elevate privileges. Google software engineer Andrey Konovalov privately disclosed the vulnerability on Monday. The...

F5 Networks BIG-IP : Linux privilege-escalation vulnerability (K10558632) (Dirty COW)

Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect handling of a copy-on-write COW feature to write to a read-only memory mapping, as exploited in the wild in October 2016, aka 'Dirty COW.' CVE-2016-5195...

Palo Alto PAN-OS Kernel Vulnerability

A vulnerability exists in the kernel of PAN-OS that may result in an elevation of privilege. This issue is publicly known as Dirty COW. SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holder...

Kernel Vulnerability

A vulnerability exists in the kernel of PAN-OS that may result in an elevation of privilege. This issue is publicly known as Dirty COW ref PAN-68074 / CVE-2016-5195. PAN-OS may be impacted by the Dirty COW CVE-2016-5195 attack. A race condition was found in the way the Linux kernel's memory...