CVE-2022-33747

Arm: unbounded memory consumption for 2nd-level page tables Certain actions require e.g. removing pages from a guest's P2M Physical-to-Machine mapping. When large pages are in use to map guest pages in the 2nd-stage page tables, such a removal operation may incur a memory allocation to replace a...

CVE-2022-33746

P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing...

GSD-2022-1004922 xen/arm: Fix race in RB-tree based P2M accounting

xen/arm: Fix race in RB-tree based P2M accounting This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.322 by commit...

GSD-2022-1004871 xen/arm: Fix race in RB-tree based P2M accounting

xen/arm: Fix race in RB-tree based P2M accounting This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.287 by commit...

GSD-2022-1004716 xen/arm: Fix race in RB-tree based P2M accounting

xen/arm: Fix race in RB-tree based P2M accounting This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.204 by commit...

GSD-2022-1004595 xen/arm: Fix race in RB-tree based P2M accounting

xen/arm: Fix race in RB-tree based P2M accounting This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.129 by commit...

GSD-2022-1004429 xen/arm: Fix race in RB-tree based P2M accounting

xen/arm: Fix race in RB-tree based P2M accounting This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.53 by commit...

CVE-2022-23033

arm: guestphysmapremovepage not removing the p2m mappings The functions to remove one or more entries from a guest p2m pagetable on Arm p2mremovemapping, guestphysmapremovepage, and p2msetentry with mfn set to INVALIDMFN do not actually clear the pagetable entry if the entry doesn't have the vali...

CVE-2022-23033

arm: guestphysmapremovepage not removing the p2m mappings The functions to remove one or more entries from a guest p2m pagetable on Arm p2mremovemapping, guestphysmapremovepage, and p2msetentry with mfn set to INVALIDMFN do not actually clear the pagetable entry if the entry doesn't have the vali...

CVE-2022-23033

arm: guestphysmapremovepage not removing the p2m mappings The functions to remove one or more entries from a guest p2m pagetable on Arm p2mremovemapping, guestphysmapremovepage, and p2msetentry with mfn set to INVALIDMFN do not actually clear the pagetable entry if the entry doesn't have the vali...

CVE-2022-23033

arm: guestphysmapremovepage not removing the p2m mappings The functions to remove one or more entries from a guest p2m pagetable on Arm p2mremovemapping, guestphysmapremovepage, and p2msetentry with mfn set to INVALIDMFN do not actually clear the pagetable entry if the entry doesn't have the vali...

CVE-2022-23033

arm: guestphysmapremovepage not removing the p2m mappings The functions to remove one or more entries from a guest p2m pagetable on Arm p2mremovemapping, guestphysmapremovepage, and p2msetentry with mfn set to INVALIDMFN do not actually clear the pagetable entry if the entry doesn't have the vali...

UBUNTU-CVE-2022-23033

arm: guestphysmapremovepage not removing the p2m mappings The functions to remove one or more entries from a guest p2m pagetable on Arm p2mremovemapping, guestphysmapremovepage, and p2msetentry with mfn set to INVALIDMFN do not actually clear the pagetable entry if the entry doesn't have the vali...

CVE-2022-23033

CVE-2022-23033 affects the Xen hypervisor (Arm guest) where guest_physmap_remove_page and related p2m removal do not clear a pagetable entry if the valid bit is not set, allowing a guest that uses set/way cache maintenance instructions and then releases memory via XENMEM_decrease_reservation to r...

arm: guest_physmap_remove_page not removing the p2m mappings

ISSUE DESCRIPTION The functions to remove one or more entries from a guest p2m pagetable on Arm p2mremovemapping, guestphysmapremovepage, and p2msetentry with mfn set to INVALIDMFN do not actually clear the pagetable entry if the entry doesn't have the valid bit set. It is possible to have a vali...

OracleVM 3.4 : xen (OVMSA-2022-0004)

The remote OracleVM system is missing necessary patches to address security updates: - issues with partially successful P2M updates on x86 This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. x86 HVM and PVH guests may be...

SUSE SLED15: xen / xen-devel / xen-libs / xen-tools / xen-tools-domU / etc (SUSE-SU-2021:3968-1)

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3968-1 advisory. - CVE-2021-28702: Fixed PCI devices with RMRRs not deassigned correctly XSA-386 bsc1191363. - CVE-2021-28704, CVE-2021-28707,...

openSUSE 15 Security Update : xen (openSUSE-SU-2021:3968-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:3968-1 advisory. - PCI devices with RMRRs not deassigned correctly Certain PCI devices in a system might be assigned Reserved Memory Regions specified via...

openSUSE 15 Security Update : xen (openSUSE-SU-2021:1543-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:1543-1 advisory. - PCI devices with RMRRs not deassigned correctly Certain PCI devices in a system might be assigned Reserved Memory Regions specified via...

Security update for xen (moderate)

openSUSE Security Update: Security update for xen Announcement ID: openSUSE-SU-2021:3968-1 Rating: moderate References: 1027519 1191363 1192554 1192557 1192559 Cross-References: CVE-2021-28702 CVE-2021-28704 CVE-2021-28705 CVE-2021-28706 CVE-2021-28707 CVE-2021-28708 CVE-2021-28709 CVSS scores:...