CVE-2021-28696

IOMMU page mapping issues on x86 This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Both AMD and Intel allow ACPI tables to specify regions of memory which should be left untranslated, which typically means these addresse...

CVE-2021-28694

CVE-2021-28694 is described in the Citrix Hypervisor security update as a host denial-of-service issue triggered when a guest VM uses PCI passthrough with ACPI-declared memory regions that are identity-mapped. The vulnerability arises because such regions may bypass normal translation checks, pot...

CVE-2021-28694

IOMMU page mapping issues on x86 This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Both AMD and Intel allow ACPI tables to specify regions of memory which should be left untranslated, which typically means these addresse...

CVE-2021-28694

IOMMU page mapping issues on x86 This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Both AMD and Intel allow ACPI tables to specify regions of memory which should be left untranslated, which typically means these addresse...

Xen 安全漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product 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 can be...

Xen 安全漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product 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 can be...

Xen 安全漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product 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 can be...

kernel: lack of check for mmap minimum address in expand_downwards in mm/mmap.c leads to NULL pointer dereferences exploit on non-SMAP platforms

A flaw was found in mmap in the Linux kernel allowing the process to map a null page. This allows attackers to abuse this mechanism to turn null pointer dereferences into workable exploits...

kernel: lack of check for mmap minimum address in expand_downwards in mm/mmap.c leads to NULL pointer dereferences exploit on non-SMAP platforms

A flaw was found in mmap in the Linux kernel allowing the process to map a null page. This allows attackers to abuse this mechanism to turn null pointer dereferences into workable exploits...

EulerOS Virtualization 2.5.3 : kernel (EulerOS-SA-2019-1259)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - An issue was discovered in cancangwrcv in net/can/gw.c in the Linux kernel through 4.19.13. The CAN frame modification rules allo...

SUSE-SU-2018:0678-1 Security update for xen

This update for xen fixes several issues. These security issues were fixed: - CVE-2017-5753, CVE-2017-5715, CVE-2017-5754: Prevent information leaks via side effects of speculative execution, aka 'Spectre' and 'Meltdown' attacks bsc1074562, bsc1068032 - CVE-2018-5683: The vgadrawtext function...

Linux Kernel hugetlb_vmtruncate_list() Denial of Service Vulnerability

Linux Kernel is an open source operating system. A security vulnerability in the Linux Kernel hugetlbvmtruncatelist function allows local users to trigger a page mapping error and cause a denial of service attack...

win32k Desktop and Clipboard - Null Pointer Dereference

win32k Desktop and Clipboard - Null Pointer Dereference Source: https://code.google.com/p/google-security-research/issues/detail?id=534 The attached PoC triggers a null pointer condition on Windows 7 32-bit, which can potentially be exploited on versions of Windows that allow mapping the null pag...

Oracle Linux 5 : Important:kernel (ELSA-2007-0940)

The remote Oracle Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2007-0940 advisory. 2.6.18-8.1.15.0.1.el5 - Fix bonding primary=ethX Bert Barbe IT 101532 ORA 5136660 - Add entropy module option to e1000/bnx2 John Sobecki ORA 6045759...

Oracle Linux 5 : Important: / kernel (ELSA-2007-0936)

The remote Oracle Linux 5 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2007-0936 advisory. 2.6.18-8.1.14.0.2.el5 - Fix bonding primary=ethX Bert Barbe IT 101532 ORA 5136660 - Add entropy module option to e1000/bnx2 John Sobecki ORA 6045759...

DEBIAN-CVE-2012-4537

Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the setp2mentry function fails, which allows local HVM guest OS administrators to cause a denial of service memory consumption and assertion failure, aka "Memory mapping failure DoS...

kernel LTC31426-4k page mapping support for userspace in 64k kernels

The eHCA driver in Linux kernel 2.6 before 2.6.22, when running on PowerPC, does not properly map userspace resources, which allows local users to read portions of physical address space...

Important: kernel security update

2.6.18-8.1.14.0.2.el5 - Fix bonding primary=ethX Bert Barbe IT 101532 ORA 5136660 - Add entropy module option to e1000/bnx2 John Sobecki ORA 6045759 2.6.18-8.1.14.el5 - Revert changes back to 2.6.18-8.1.10. - x8664 Zero extend all registers after ptrace in 32bit entry path Anton Arapov 297871...