CVE-2022-42332

x86 shadow plus log-dirty mode use-after-free In environments where host assisted address translation is necessary but Hardware Assisted Paging HAP is unavailable, Xen will run guests in so called shadow mode. Shadow mode maintains a pool of memory used for both shadow page tables as well as...

UBUNTU-CVE-2022-42332

x86 shadow plus log-dirty mode use-after-free In environments where host assisted address translation is necessary but Hardware Assisted Paging HAP is unavailable, Xen will run guests in so called shadow mode. Shadow mode maintains a pool of memory used for both shadow page tables as well as...

x86 shadow plus log-dirty mode use-after-free

ISSUE DESCRIPTION In environments where host assisted address translation is necessary but Hardware Assisted Paging HAP is unavailable, Xen will run guests in so called shadow mode. Shadow mode maintains a pool of memory used for both shadow page tables as well as auxiliary data structures. To...

CVE-2022-42332

x86 shadow plus log-dirty mode use-after-free In environments where host assisted address translation is necessary but Hardware Assisted Paging HAP is unavailable, Xen will run guests in so called shadow mode. Shadow mode maintains a pool of memory used for both shadow page tables as well as...

CVE-2022-42332

CVE-2022-42332 concerns Xen’s shadow mode with log-dirty tracking. In environments where host-assisted addressing is needed but Hardware Assisted Paging is unavailable, Xen’s log-dirty infrastructure did not have memory accounted for in some paths, allowing newly established shadow page tables to...

Xen 资源管理错误漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. It enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. Xen has a security vulnerability that stems from...

CVE-2022-42332

x86 shadow plus log-dirty mode use-after-free In environments where host assisted address translation is necessary but Hardware Assisted Paging HAP is unavailable, Xen will run guests in so called shadow mode. Shadow mode maintains a pool of memory used for both shadow page tables as well as...

Exploit for Race Condition in Apple Safari

MacDirtyCow Example of CVE-2022-46689 aka MacDirtyCow. Wh...

Exploit for Improper Initialization in Linux Linux_Kernel

!Dirty Pipehttps://forum.hackersploit.org/uploads/default/ori...

SUSE CVE-2016-5195

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."...

SUSE 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 CVE-2017-17565

An issue was discovered in Xen through 4.9.x allowing PV guest OS users to cause a denial of service host OS crash if shadow mode and log-dirty mode are in place, because of an incorrect assertion related to M2P...

SUSE 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...

SUSE CVE-2019-19814

In the Linux kernel 5.0.21, mounting a crafted f2fs filesystem image can cause removedirtysegment slab-out-of-bounds write access because an array is bounded by the number of dirty types 8 but the array index can exceed this...

SUSE CVE-2021-4095

A NULL pointer dereference was found in the Linux kernel's KVM when dirty ring logging is enabled without an active vCPU context. An unprivileged local attacker on the host may use this flaw to cause a kernel oops condition and thus a denial of service by issuing a KVMXENHVMSETATTR ioctl. This fl...

SUSE CVE-2022-1263

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service...

SUSE CVE-2022-26356

Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log dirty mode done by XENDMOPtrackdirtyvram was named HVMOPtrackdirtyvram before Xen 4.9 is racy with ongoing log dirty hypercalls. A suitably timed call to XENDMOPtrackdirtyvram can enable log dirty whil...

Metasploit Weekly Wrap-Up

Metasploit 6.3 is out! Earlier this week we announced the release of Metasploit 6.3 which came with a tonne of new modules and improvements. The whole team worked super hard on this and we're very excited that everyone can now get their hands on it and all of the new features it has to offer! I...

macOS Dirty Cow Arbitrary File Write Local Privilege Escalation

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'macOS Dirty Cow Arbitrary File Write Local Privilege Escalation', 'Description' = %q An app may be able to execute arbitrary code with kernel...

macOS Dirty Cow Arbitrary File Write Local Privilege Escalation Exploit

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'macOS Dirty Cow Arbitrary File Write Local Privilege Escalation', 'Description' = %q An app may be able to execute arbitrary code with kernel...