usb: fix various gadgets null ptr deref on 10gbps cabling. (Linux Linux)

CVE-2021-47270
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.23 % · centile 13 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: usb: fix various gadgets null ptr deref on 10gbps cabling. This avoids a null pointer dereference in f_{ecm,eem,hid,loopback,printer,rndis,serial,sourcesink,subset,tcm} by simply reusing the 5gbps config for 10gbps.

Faiblesses (CWE)

  • CWE-476 — Déréférencement de pointeur nul

Références

Scores

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

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected eaef50c760576bca70b87fdc26eb87a3660529f8 < beb1e67a5ca8d69703c776db9000527f44c0c93c ; affected eaef50c760576bca70b87fdc26eb87a3660529f8 < 8cd5f45c1b769e3e9e0f4325dd08b6c3749dc7ee ; affected eaef50c760576bca70b87fdc26eb87a3660529f8 < 10770d2ac0094b053c8897d96d7b2737cd72f7c5 ; affected eaef50c760576bca70b87fdc26eb87a3660529f8 < b4903f7fdc484628d0b8022daf86e2439d3ab4db ; affected eaef50c760576bca70b87fdc26eb87a3660529f8 < 4b289a0f3033f465b4fd51ba995251a7867a2aa2 ; affected eaef50c760576bca70b87fdc26eb87a3660529f8 < f17aae7c4009160f0630a91842a281773976a5bc
Linux · Linuxaffected 4.6 ; unaffected 0 < 4.6 ; unaffected 4.9.273 ≤ 4.9.* ; unaffected 4.14.237 ≤ 4.14.* ; unaffected 4.19.195 ≤ 4.19.* ; unaffected 5.4.126 ≤ 5.4.*

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