iommu/arm-smmu: fix possible null-ptr-deref in arm_smmu_device_probe() (Linux Linux)

CVE-2022-49323
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.28 % · 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: iommu/arm-smmu: fix possible null-ptr-deref in arm_smmu_device_probe() It will cause null-ptr-deref when using 'res', if platform_get_resource() returns NULL, so move using 'res' after devm_ioremap_resource() that will check it to avoid null-ptr-deref. And use devm_platform_get_and_ioremap_resource() to simplify code.

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:HCISA-ADP
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)
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 9648cbc9625b67c91ed1aaf4b8b77f3f0c537496 < 3660db29b0305f9a1d95979c7af0f5db6ea99f5d ; affected 9648cbc9625b67c91ed1aaf4b8b77f3f0c537496 < 98dd53a92825747395649f54d23512a13c3ed471 ; affected 9648cbc9625b67c91ed1aaf4b8b77f3f0c537496 < 80776a71340f57d6a4952635fc89f0342072f3ca ; affected 9648cbc9625b67c91ed1aaf4b8b77f3f0c537496 < 449fc4561762ad9ad85362d5f01f0d0df397457a ; affected 9648cbc9625b67c91ed1aaf4b8b77f3f0c537496 < d9ed8af1dee37f181096631fb03729ece98ba816
Linux · Linuxaffected 4.11 ; unaffected 0 < 4.11 ; unaffected 5.10.122 ≤ 5.10.* ; unaffected 5.15.47 ≤ 5.15.* ; unaffected 5.17.15 ≤ 5.17.* ; unaffected 5.18.4 ≤ 5.18.*

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