Qemu: pvrdma: out-of-bounds read in pvrdma_ring_next_elem_read() (qemu)

CVE-2023-1544
MEDIUM 6.0

At a glance

Source
NVD
EPSS
EPSS 0.31 % · percentile 24 ()
State
PUBLISHED
Published
Updated
Assigner
fedora
NVD status
Modified

Description

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.

Weaknesses (CWE)

  • CWE-125 — Out-of-bounds Read
  • CWE-770 — Allocation of Resources Without Limits or Throttling

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 6.0CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:Hfedora
CVSS 3.1MEDIUM 6.0CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:HNVD · patrick@puiterwijk.org (Secondary)
CVSS 3.1MEDIUM 6.3CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
qemuunaffected 8.2.0-rc0 < *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD