i2c: cadence: fix reference leak when pm_runtime_get_sync fails (Linux Linux)

CVE-2020-36784
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.22 % · 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: i2c: cadence: fix reference leak when pm_runtime_get_sync fails The PM reference count is not expected to be incremented on return in functions cdns_i2c_master_xfer and cdns_reg_slave. However, pm_runtime_get_sync will increment pm usage counter even failed. Forgetting to putting operation will result in a reference leak here. Replace it with pm_runtime_resume_and_get to keep usage counter balanced.

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 7fa32329ca03148fb2c07b4ef3247b8fc0488d6a < 30410519328c94367e561fd878e5f0d3a0303585 ; affected 7fa32329ca03148fb2c07b4ef3247b8fc0488d6a < d57ff04e0ed6f3be1682ae861ead33f879225e07 ; affected 7fa32329ca03148fb2c07b4ef3247b8fc0488d6a < a45fc41beed8e0fe31864619c34aa00797fb60c1 ; affected 7fa32329ca03148fb2c07b4ef3247b8fc0488d6a < 23ceb8462dc6f4b4decdb5536a7e5fc477cdf0b6
Linux · Linuxaffected 4.5 ; unaffected 0 < 4.5 ; unaffected 5.10.37 ≤ 5.10.* ; unaffected 5.11.21 ≤ 5.11.* ; unaffected 5.12.4 ≤ 5.12.* ; unaffected 5.13 ≤ *

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