DEBIAN-CVE-2021-28701

Another race in XENMAPSPACEgranttable handling Guests are 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, are de-allocated when a guest switches back from v2...

CVE-2021-28701

Another race in XENMAPSPACEgranttable handling Guests are 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, are de-allocated when a guest switches back from v2...

UBUNTU-CVE-2021-28701

Another race in XENMAPSPACEgranttable handling Guests are 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, are de-allocated when a guest switches back from v2...

Another race in XENMAPSPACE_grant_table handling

ISSUE DESCRIPTION Guests are 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, are de-allocated when a guest switches back from v2 to v1. Freeing such pages...

Denial Of Service (DoS)

xen is vulnerable to denial of service. Long running loops in grant table handling In order to properly monitor resource use, Xen maintains information on the grant mappings a domain may create to map grants offered by other domains. In the process of carrying out certain actions, Xen would itera...

openSUSE 15 Security Update : xen (openSUSE-SU-2021:1236-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:1236-1 advisory. - Observable response discrepancy in some IntelR Processors may allow an authorized user to potentially enable information disclosure via...

SUSE-SU-2021:2957-1 Security update for xen

This update for xen fixes the following issues: - CVE-2021-3594: slirp: invalid pointer initialization may lead to information disclosure udpbsc1187378. - CVE-2021-3595: slirp: invalid pointer initialization may lead to information disclosure tftpbsc1187376. - CVE-2021-28698: long running loops i...

SUSE SLES12: xen / xen-doc-html / xen-libs / xen-libs-32bit / xen-tools / etc (SUSE-SU-2021:2957-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2957-1 advisory. - CVE-2021-3594: slirp: invalid pointer initialization may lead to information disclosure udpbsc1187378. - CVE-2021-3595: slirp:...

openSUSE 15 Security Update : xen (openSUSE-SU-2021:2923-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:2923-1 advisory. - Observable response discrepancy in some IntelR Processors may allow an authorized user to potentially enable information disclosure via...

SUSE SLES15 Security Update : xen (SUSE-SU-2021:2943-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2943-1 advisory. - CVE-2021-28698: long running loops in grant table handling XSA-380bsc1189378. - CVE-2021-28692: xen: inappropriate x86 IOMMU...

SUSE SLED12: xen / xen-devel / xen-doc-html / xen-libs / xen-libs-32bit / etc (SUSE-SU-2021:2924-1)

The remote SUSE Linux SLED12 / SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2924-1 advisory. Security issues fixed: - CVE-2021-28693: xen/arm: Boot modules are not scrubbed bsc1186428 - CVE-2021-28692: xen:...

SUSE SLED15: xen / xen-devel / xen-libs / xen-tools / xen-tools-domU / etc (SUSE-SU-2021:2922-1)

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2922-1 advisory. Update to Xen 4.13.3 general bug fix release bsc1027519. Security issues fixed: - CVE-2021-28693: xen/arm: Boot modules are not scrubb...

SUSE SLES12: xen / xen-doc-html / xen-libs / xen-libs-32bit / xen-tools / etc (SUSE-SU-2021:2955-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2955-1 advisory. Security issues fixed: - CVE-2021-28698: long running loops in grant table handling XSA-380bsc1189378. - CVE-2021-28697: grant tabl...

SUSE SLED15: xen / xen-devel / xen-libs / xen-tools / xen-tools-domU / etc (SUSE-SU-2021:2923-1)

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2923-1 advisory. Update to Xen 4.13.3 general bug fix release bsc1027519. Security issues fixed: - CVE-2021-28693: xen/arm: Boot modules are not scrubb...

SUSE-SU-2021:2955-1 Security update for xen

This update for xen fixes the following issues: Security issues fixed: - CVE-2021-28698: long running loops in grant table handling XSA-380bsc1189378. - CVE-2021-28697: grant table v2 status pages may remain accessible after de-allocation XSA-379bsc1189376. -...

SUSE-SU-2021:2925-1 Security update for xen

This update for xen fixes the following issues: Security issues fixed: - CVE-2021-28693: xen/arm: Boot modules are not scrubbed bsc1186428 - CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling bsc1186429 - CVE-2021-0089: xen: Speculative Code Store Bypass bsc1186433 -...

OPENSUSE-SU-2021:2923-1 Security update for xen

This update for xen fixes the following issues: Update to Xen 4.13.3 general bug fix release bsc1027519. Security issues fixed: - CVE-2021-28693: xen/arm: Boot modules are not scrubbed bsc1186428 - CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling bsc1186429 - CVE-2021-008...

PT-2021-6469 · Xen +1 · Xen +1

Name of the Vulnerable Software and Affected Versions: Xen affected versions not specified Description: The issue is related to the handling of XENMAPSPACE grant table in the Xen hypervisor, where guests are allowed access to certain Xen-owned pages of memory. The majority of these pages remain...

CVE-2021-28699

inadequate grant-v2 status frames array bounds check The v2 grant table interface separates grant attributes from grant status. That is, when operating in this mode, a guest has two tables. As a result, guests also need to be able to retrieve the addresses that the new status tracking table can b...

ALPINE-CVE-2021-28699

inadequate grant-v2 status frames array bounds check The v2 grant table interface separates grant attributes from grant status. That is, when operating in this mode, a guest has two tables. As a result, guests also need to be able to retrieve the addresses that the new status tracking table can b...