uio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind (Linux Linux)

CVE-2024-46739
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.27 % · centile 20 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind For primary VM Bus channels, primary_channel pointer is always NULL. This pointer is valid only for the secondary channels. Also, rescind callback is meant for primary channels only. Fix NULL pointer dereference by retrieving the device_obj from the parent for the primary channel.

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 ca3cda6fcf1e922213a0cc58e708ffb999151db3 < 3d414b64ecf6fd717d7510ffb893c6f23acbf50e ; affected ca3cda6fcf1e922213a0cc58e708ffb999151db3 < f38f46da80a2ab7d1b2f8fcb444c916034a2dac4 ; affected ca3cda6fcf1e922213a0cc58e708ffb999151db3 < 1d8e020e51ab07e40f9dd00b52f1da7d96fec04c ; affected ca3cda6fcf1e922213a0cc58e708ffb999151db3 < 3005091cd537ef8cdb7530dcb2ecfba8d2ef475c ; affected ca3cda6fcf1e922213a0cc58e708ffb999151db3 < 2be373469be1774bbe03b0fa7e2854e65005b1cc ; affected ca3cda6fcf1e922213a0cc58e708ffb999151db3 < de6946be9c8bc7d2279123433495af7c21011b99
Linux · Linuxaffected 4.16 ; unaffected 0 < 4.16 ; unaffected 4.19.322 ≤ 4.19.* ; unaffected 5.4.284 ≤ 5.4.* ; unaffected 5.10.226 ≤ 5.10.* ; unaffected 5.15.167 ≤ 5.15.*

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