iommu/amd: Fix I/O page table memory leak (Linux Linux)

CVE-2022-48904
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.21 % · centile 11 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix I/O page table memory leak The current logic updates the I/O page table mode for the domain before calling the logic to free memory used for the page table. This results in IOMMU page table memory leak, and can be observed when launching VM w/ pass-through devices. Fix by freeing the memory used for page table before updating the mode.

Faiblesses (CWE)

  • CWE-401 — Mémoire non libérée après sa durée de vie utile

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 e42ba0633064ef23eb1c8c21edf96bac1541bd4b < 378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6 ; affected e42ba0633064ef23eb1c8c21edf96bac1541bd4b < c78627f757e37c2cf386b59c700c4e1574988597 ; affected e42ba0633064ef23eb1c8c21edf96bac1541bd4b < 6b0b2d9a6a308bcd9300c2d83000a82812c56cea
Linux · Linuxaffected 5.12 ; unaffected 0 < 5.12 ; unaffected 5.15.27 ≤ 5.15.* ; unaffected 5.16.13 ≤ 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