PT-2022-34954 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.6 Description: The issue is related to the KVM arm64 vgic, specifically with the exit condition in the scan its table function. The actual impact and attack plausibility have not yet been proven...

PT-2022-35818 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v4.14.298 Description: The issue concerns the KVM arm64 vgic, specifically with the exit condition in the scan its table function. The actual impact and attack plausibility have not yet been proven...

Xen 'xen/arch/arm/vgic.c' Denial of Service Vulnerability

Xen is an open source virtual machine monitor product developed at the University of Cambridge in the United Kingdom. A denial-of-service vulnerability exists in Xen 'xen/arch/arm/vgic.c', which allows an attacker to exploit the vulnerability by submitting a special request to crash the system...

FreeBSD : xen-kernel -- arm: vgic-v2: GICD_SGIR is not properly emulated (785c86b1-27d6-11e5-a4a5-002590263bf5)

The Xen Project reports : When decoding a guest write to a specific register in the virtual interrupt controller Xen would treat an invalid value as a critical error and crash the host. By writing an invalid value to the GICD.SGIR register a guest can crash the host, resulting in a Denial of...

FreeBSD : xen-kernel -- arm: vgic: incorrect rate limiting of guest triggered logging (912cb7f7-27df-11e5-a4a5-002590263bf5)

The Xen Project reports : On ARM systems the code which deals with virtualizing the GIC distributor would, under various circumstances, log messages on a guest accessible code path without appropriate rate limiting. A malicious guest could cause repeated logging to the hypervisor console, leading...

Fedora 21 : xen-4.4.1-16.fc21 (2015-3944)

Additional patch for XSA-98 on arm64 HVM qemu unexpectedly enabling emulated VGA graphics backends XSA-119, CVE-2015-2152 Hypervisor memory corruption due to x86 emulator flaw XSA-123, CVE-2015-2151 enable building pngs from fig files which is working again, fix oxenstored.service preset...

xen-kernel -- arm: vgic-v2: GICD_SGIR is not properly emulated

The Xen Project reports: When decoding a guest write to a specific register in the virtual interrupt controller Xen would treat an invalid value as a critical error and crash the host. By writing an invalid value to the GICD.SGIR register a guest can crash the host, resulting in a Denial of Servi...