usb: typec: ucsi: displayport: Fix deadlock (Linux Linux)

CVE-2025-37967
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.16 % · percentile 5 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: displayport: Fix deadlock This patch introduces the ucsi_con_mutex_lock / ucsi_con_mutex_unlock functions to the UCSI driver. ucsi_con_mutex_lock ensures the connector mutex is only locked if a connection is established and the partner pointer is valid. This resolves a deadlock scenario where ucsi_displayport_remove_partner holds con->mutex waiting for dp_altmode_work to complete while dp_altmode_work attempts to acquire it.

Weaknesses (CWE)

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:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected af8622f6a585d8d82b11cd7987e082861fd0edd3 < f4bd982563c2fd41ec9ca6c517c392d759db801c ; affected af8622f6a585d8d82b11cd7987e082861fd0edd3 < f32451ca4cb7dc53f2a0e2e66b84d34162747eb7 ; affected af8622f6a585d8d82b11cd7987e082861fd0edd3 < 962ce9028ca6eb450d5c205238a3ee27de9d214d ; affected af8622f6a585d8d82b11cd7987e082861fd0edd3 < 5924b324468845fc795bd76f588f51d7ab4f202d ; affected af8622f6a585d8d82b11cd7987e082861fd0edd3 < 61fc1a8e1e10cc784cab5829930838aaf1d37af5 ; affected af8622f6a585d8d82b11cd7987e082861fd0edd3 < 364618c89d4c57c85e5fc51a2446cd939bf57802
Linux · Linuxaffected 5.2 ; unaffected 0 < 5.2 ; unaffected 5.15.184 ≤ 5.15.* ; unaffected 6.1.140 ≤ 6.1.* ; unaffected 6.6.92 ≤ 6.6.* ; unaffected 6.12.30 ≤ 6.12.*

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