dma-buf: heaps: Fix potential spectre v1 gadget (Linux Linux)

CVE-2022-48730
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.26 % · centile 17 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fix potential spectre v1 gadget It appears like nr could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via speculative execution by using array_index_nospec. [sumits: added fixes and cc: stable tags]

Faiblesses (CWE)

  • CWE-203 — Écart observable

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected c02a81fba74fe3488ad6b08bfb5a1329005418f8 < 5d40f1bdad3dd1a177f21a90ad4353c1ed40ba3a ; affected c02a81fba74fe3488ad6b08bfb5a1329005418f8 < 24f8e12d965b24f8aea762589e0e9fe2025c005e ; affected c02a81fba74fe3488ad6b08bfb5a1329005418f8 < cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed ; affected c02a81fba74fe3488ad6b08bfb5a1329005418f8 < 92c4cfaee6872038563c5b6f2e8e613f9d84d47d
Linux · Linuxaffected 5.6 ; unaffected 0 < 5.6 ; unaffected 5.10.99 ≤ 5.10.* ; unaffected 5.15.22 ≤ 5.15.* ; unaffected 5.16.8 ≤ 5.16.* ; unaffected 5.17 ≤ *

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