CVE-2017-14319

A grant unmapping issue was discovered in Xen through 4.9.x. When removing or replacing a grant mapping, the x86 PV specific path needs to make sure page table entries remain in sync with other accounting done. Although the identity of the page frame was validated correctly, neither the presence ...

UBUNTU-CVE-2017-14319

A grant unmapping issue was discovered in Xen through 4.9.x. When removing or replacing a grant mapping, the x86 PV specific path needs to make sure page table entries remain in sync with other accounting done. Although the identity of the page frame was validated correctly, neither the presence ...

CVE-2017-14319

A grant unmapping issue was discovered in Xen through 4.9.x. When removing or replacing a grant mapping, the x86 PV specific path needs to make sure page table entries remain in sync with other accounting done. Although the identity of the page frame was validated correctly, neither the presence ...

CVE-2017-14319

CVE-2017-14319 is a Xen hypervisor vulnerability (affecting up to 4.9.x) in grant unmapping for x86 PV guests. The issue: when removing/replacing a grant mapping, the x86 PV path did not ensure page table entries remained in sync with other accounting, and did not account for the presence of the ...

insufficient grant unmapping checks for x86 PV guests

ISSUE DESCRIPTION When removing or replacing a grant mapping, the x86 PV specific path needs to make sure page table entries remain in sync with other accounting done. Although the identity of the page frame was validated correctly, neither the presence of the mapping nor page writability were...

CVE-2017-14319: Undefined Security Weakness

A grant unmapping issue was discovered in Xen through 4.9.x. When removing or replacing a grant mapping, the x86 PV specific path needs to make sure page table entries remain in sync with other accounting done. Although the identity of the page frame was validated correctly, neither the presence ...

RHEL 6 : kernel (RHSA-2017:1491) (Stack Clash)

An update for kernel is now available for Red Hat Enterprise Linux 6.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 6.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Design/Logic Flaw

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern ARM processors. By performing a side-channel attack on the MMU operations, it is possible to leak data and code pointers from JavaScript, breaking ASLR...

Code injection

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern AMD processors. By performing a side-channel attack on the MMU operations, it is possible to leak data and code pointers from JavaScript, breaking ASLR...

CVE-2017-5927

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern ARM processors. By performing a side-channel attack on the MMU operations, it is possible to leak data and code pointers from JavaScript, breaking ASLR...

CVE-2017-5925

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern Intel processors. By performing a side-channel attack on the MMU operations, it is possible to leak data and code pointers from JavaScript, breaking ASLR...

CVE-2017-5926

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern AMD processors. By performing a side-channel attack on the MMU operations, it is possible to leak data and code pointers from JavaScript, breaking ASLR...

PT-2017-16763

Name of the Vulnerable Software and Affected Versions AMD processors affected versions not specified Description The issue concerns modern AMD processors, where page table walks conducted by the Memory Management Unit MMU during virtual to physical address translation can leave a trace in the las...

The ASLR protection mechanism is a breakthrough attack technical analysis-vulnerability warning-the black bar safety net

Recently, hardware-based attacks have been started by Rowhammer memory leaks or bypass the address space layout randomization protection mechanisms to attack the system, these attacks are based on the processor's memory management unit MMU with a page table interactive interactive manner. These...

Android Memory Access

The vulnerability of the Page Table subsystem configuration in the Android operating system arises due to errors in the authentication process. Exploiting this vulnerability can allow an intruder, operating locally, to gain unauthorized access to supervisor memory...

Microsoft Windows Kernel - win32k.sys NtSetWindowLongPtr Privilege Escalation (MS16-135) (2)

Exploit for windows platform in category local exploits / Source: https://ricklarabee.blogspot.com/2017/01/virtual-memory-page-tables-and-one-bit.html Binary: https://github.com/rlarabee/exploits/raw/8b9eb646516d7f022a010f28018209f331c28975/cve-2016-7255/compiled/cve-2016-7255.exe Mirror:...

x86 PV guests may be able to mask interrupts

ISSUE DESCRIPTION Certain PV guest kernel operations page table writes in particular need emulation, and use Xen's general x86 instruction emulator. This allows a malicious guest kernel which asynchronously modifies its instruction stream to effect the clearing of EFLAGS.IF from the state used to...

xen-kernel -- x86 PV guests may be able to mask interrupts

The Xen Project reports: Certain PV guest kernel operations page table writes in particular need emulation, and use Xen's general x86 instruction emulator. This allows a malicious guest kernel which asynchronously modifies its instruction stream to effect the clearing of EFLAGS.IF from the state...

CentOS 6 : kernel (CESA-2016:2766)

An update for kernel is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...