CVE-2023-1544
Assigner: fedora
Published: 2023-03-23T00:00:00
State: PUBLISHED
title: Qemu: pvrdma: out-of-bounds read in pvrdma_ring_next_elem_read()
metrics: other: content: value: Low
namespace: https://access.redhat.com/security/updates/classification/
type: Red Hat severity rating
cvssV3_1: attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 6
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: HIGH
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
version: 3.1
format: CVSS
descriptions: value: A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to allocate and initialize a huge number of page tables to be used as a ring of descriptors for CQ and async events, potentially leading to an out-of-bounds read and crash of QEMU.
affected: versions: status: unaffected
version: 8.2.0-rc0
lessThan: *
versionType: semver
packageName: qemu
collectionURL: https://gitlab.com/qemu-project/qemu
defaultStatus: affected
datePublic: 2023-02-27T00:00:00+00:00
problemTypes: descriptions: cweId: CWE-125
description: Out-of-bounds Read
type: CWE
x_redhatCweChain: CWE-125: Out-of-bounds Read
timeline: time: 2023-02-27T00:00:00+00:00
value: Reported to Red Hat.
time: 2023-02-27T00:00:00+00:00
value: Made public.
credits: value: Red Hat would like to thank SorryMybad (Kunlun Lab) for reporting this issue.