kernel

CVE-2021-3752
HIGH 7.1

En bref

Source
NVD
EPSS
EPSS 1.74 % · centile 78 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
redhat
Statut NVD
Modified

Description

A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Faiblesses (CWE)

  • CWE-416 — Utilisation après libération
  • CWE-362 — Situation de compétition

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.1CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)
CVSS 2.0HIGH 7.9AV:A/AC:M/Au:N/C:C/I:C/A:CNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
kernelaffected kernel 5.15.3

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