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CVE-2022-4144

Status Candidate

Overview

An out-of-bounds read flaw was found in the QXL display device emulation in QEMU. The qxl_phys2virt() function does not check the size of the structure pointed to by the guest physical address, potentially reading past the end of the bar space into adjacent pages. A malicious guest user could use this flaw to crash the QEMU process on the host causing a denial of service condition.

Related Files

Red Hat Security Advisory 2023-0432-01
Posted Jan 25, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-0432-01 - Kernel-based Virtual Machine offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems. Issues addressed include an out of bounds read vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2022-4144
SHA-256 | 3e3a0b366e2b42cf9eb338b1c1861a10ed5f9565f19a5df98afc59f5dc528ffc
Red Hat Security Advisory 2023-0099-01
Posted Jan 12, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-0099-01 - Kernel-based Virtual Machine offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems. Issues addressed include an out of bounds read vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2022-4144
SHA-256 | 8753f93fa0258ef75515559ad4767a2976163ac109746fa49270f8969ef50a83
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