CVE-2023-3301

Triggerable assertion due to race condition in hot-unplug

MEDIUM 5.6

En bref

Source
NVD
EPSS
EPSS 0.26 % · centile 18 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
redhat
Statut NVD
Modified

Description

A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service.

Faiblesses (CWE)

  • CWE-617 — Assertion atteignable
  • CWE-362 — Situation de compétition

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1MEDIUM 5.6CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:Hredhat
CVSS 3.1MEDIUM 5.6CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:HNVD · secalert@redhat.com (Secondary)
CVSS 3.1MEDIUM 5.6CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
qemuunaffected 8.1.0-rc0
Red Hat · Red Hat Enterprise Linux 6
Red Hat · Red Hat Enterprise Linux 7
Red Hat · Red Hat Enterprise Linux 7
Red Hat · Red Hat Enterprise Linux 8
Red Hat · Red Hat Enterprise Linux 8 Advanced Virtualization
Red Hat · Red Hat Enterprise Linux 9
Red Hat · Red Hat OpenStack Platform 13 (Queens)
Fedora · Extra Packages for Enterprise Linux
Fedora · Fedora

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