CVE-2022-49128

drm/bridge: Add missing pm_runtime_put_sync

MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.26 % · percentile 17 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: Add missing pm_runtime_put_sync pm_runtime_get_sync() will increase the rumtime PM counter even when it returns an error. Thus a pairing decrement is needed to prevent refcount leak. Fix this by replacing this API with pm_runtime_resume_and_get(), which will not change the runtime PM counter on error. Besides, a matching decrement is needed on the error handling path to keep the counter balanced.

References

Scores

VersionScoreVectorScored by
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)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 44cfc6233447cb2cf47aeb99457de35826a363f6 < ff13c90d7f7ab606b37be6d15140d19013d6736c ; affected 44cfc6233447cb2cf47aeb99457de35826a363f6 < 792533e54cd6e89191798ccd1abd590c62b9077e ; affected 44cfc6233447cb2cf47aeb99457de35826a363f6 < 9df80dc738926a2ea4bd1ce5993c3d0f4b0e855c ; affected 44cfc6233447cb2cf47aeb99457de35826a363f6 < 46f47807738441e354873546dde0b000106c068a
Linux · Linuxaffected 5.8 ; unaffected 0 < 5.8 ; unaffected 5.15.34 ≤ 5.15.* ; unaffected 5.16.20 ≤ 5.16.* ; unaffected 5.17.3 ≤ 5.17.* ; unaffected 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