CVE-2022-23034

CVE-2022-23034 affects the Xen hypervisor. A PV guest could cause a Denial of Service by unmapping a grant when IOMMU is enabled; a reference count mis-decrement could trigger a hypervisor bug check (underflow). The issue is one of several Xen vulnerabilities reported across multiple distros (Deb...

CVE-2022-23034

A PV guest could DoS Xen while unmapping a grant To address XSA-380, reference counting was introduced for grant mappings for the case where a PV guest would have the IOMMU enabled. PV guests can request two forms of mappings. When both are in use for any individual mapping, unmapping of such a...

DRUPAL-CONTRIB-2022-002

This module enables you to implement OAuth 2.0 authentication for Drupal. The module doesn't sufficiently verify client secret keys for "confidential" OAuth 2.0 clients when using certain grant types. The token refresh and client credentials grants are not affected. This vulnerability is mitigate...

CVE-2021-23244

ColorOS pregrant dangerous permissions to apps which are listed in a whitelist xml named default-grant-permissions.But some apps in whitelist is not installed, attacker can disguise app with the same package name to obtain dangerous permission...

OPPO ColorOS 安全漏洞

OPPO ColorOS is a suite of Android-based operating systems for mobile devices from China's OPPO Guangdong Mobile Communications OPPO. ColorOS suffers from a security vulnerability that stems from ColorOS pre-granting dangerous permissions to applications listed in a whitelisted xml named...

SUSE-SU-2021:3977-1 Security update for xen

This update for xen fixes the following issues: - CVE-2021-28701: Fixed race condition in XENMAPSPACEgranttable handling XSA-384 bsc1189632. - CVE-2021-28702: Fixed PCI devices with RMRRs not deassigned correctly XSA-386 bsc1191363. - CVE-2021-28704, CVE-2021-28707, CVE-2021-28708: Fixed PoD...

CVE-2021-28703

grant table v2 status pages may remain accessible after de-allocation take two Guest get permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, get de-allocated whe...

CVE-2021-28703

grant table v2 status pages may remain accessible after de-allocation take two Guest get permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, get de-allocated whe...

ALPINE-CVE-2021-28703

grant table v2 status pages may remain accessible after de-allocation take two Guest get permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, get de-allocated whe...

DEBIAN-CVE-2021-28703

grant table v2 status pages may remain accessible after de-allocation take two Guest get permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, get de-allocated whe...

CVE-2021-28703

grant table v2 status pages may remain accessible after de-allocation take two Guest get permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, get de-allocated whe...

UBUNTU-CVE-2021-28703

grant table v2 status pages may remain accessible after de-allocation take two Guest get permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, get de-allocated whe...

CVE-2021-28703

grant table v2 status pages may remain accessible after de-allocation take two Guest get permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, get de-allocated whe...

CVE-2021-28703

grant table v2 status pages may remain accessible after de-allocation take two Guest get permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, get de-allocated whe...

SUSE SLES11: xen / xen-doc-html / xen-kmp-default / xen-kmp-pae / xen-libs / etc (SUSE-SU-2021:14848-1)

The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:14848-1 advisory. - CVE-2021-0089: Fixed Speculative Code Store Bypass XSA-375 bsc1186433. - CVE-2021-20255: Fixed stack overflow via infinite recursion in...

Authentication flaw

An issue was discovered in Jamf Pro before 10.32.0, aka PI-009921. An account can be granted incorrect privileges in response to authentication that uses specific sign-on workflows...

PT-2021-17907 · Xen +1 · Xen +1

Name of the Vulnerable Software and Affected Versions: Xen versions prior to 4.14 Description: The issue arises when grant table v2 status pages are de-allocated as a guest switches back from v2 to v1, potentially allowing a guest to retain access to a page that was freed and perhaps re-used for...

Privilege Escalation

xen is vulnerable to privilege escalation. The vulnerability exists because the grant table v2 status pages may remain accessible after de-allocation, leading to security restrictions bypass and privilege escalation...

grant table v2 status pages may remain accessible after de-allocation (take two)

ISSUE DESCRIPTION Guest get permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, get de-allocated when a guest switched back from v2 to v1. The freeing of such...

Can't enableCollateral after a disableCollateral

Handle gpersoon Vulnerability details Impact The function disableCollateral of OverlayV1Mothership.sol doesn't set collateralActivecollateral = false; But it does revoke the roles. Now enableCollateral can never be used because collateralActivecollateral ==true and it will never pass the second...