GSD-2022-1002211 KVM: x86/mmu: do compare-and-exchange of gPTE via the user address

KVM: x86/mmu: do compare-and-exchange of gPTE via the user address 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 v5.4.189 by commit...

GSD-2022-1002037 KVM: x86/mmu: do compare-and-exchange of gPTE via the user address

KVM: x86/mmu: do compare-and-exchange of gPTE via the user address 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 v5.10.110 by commit...

GSD-2022-1001769 KVM: x86/mmu: do compare-and-exchange of gPTE via the user address

KVM: x86/mmu: do compare-and-exchange of gPTE via the user address 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 v5.15.33 by commit...

GSD-2022-1001448 KVM: x86/mmu: do compare-and-exchange of gPTE via the user address

KVM: x86/mmu: do compare-and-exchange of gPTE via the user address 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 v5.16.19 by commit...

GSD-2022-1001122 KVM: x86/mmu: do compare-and-exchange of gPTE via the user address

KVM: x86/mmu: do compare-and-exchange of gPTE via the user address 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 v5.17.2 by commit...

Unlimited Arm Atomics Operations

ISSUE DESCRIPTION Software targeting pre-Armv8.1-A hardware, Xen included, commonly implements atomics using Load/Store exclusive instructions in a loop that will terminate once the store succeeded. As per the Armv8-A Architecture Reference Manual ARM DDI0487D.a, paragraph 2.9.5 "Load-Exclusive a...