CVE-2022-29901

Arbitrary Memory Disclosure through CPU Side-Channel Attacks (Retbleed)

MEDIUM 5.6

En bref

Source
NVD
EPSS
EPSS 5.01 % · centile 92 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
intel
Statut NVD
Modified

Description

Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under certain microarchitecture-dependent conditions.

Faiblesses (CWE)

  • CWE-200 — Exposition d'informations sensibles à un acteur non autorisé
  • CWE-668 — Exposition d'une ressource à la mauvaise sphère

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1MEDIUM 5.6CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:Nintel
CVSS 3.1MEDIUM 5.6CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:NNVD · secure@intel.com (Secondary)
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:NNVD · nvd@nist.gov (Primary)
CVSS 2.0LOW 1.9AV:L/AC:M/Au:N/C:P/I:N/A:NNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Intel · Intel Microprocessorsaffected generations 6 to 8

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