usb: cdns3: Fix deadlock when using NCM gadget (Linux Linux)

CVE-2025-37812
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: cdns3: Fix deadlock when using NCM gadget The cdns3 driver has the same NCM deadlock as fixed in cdnsp by commit 58f2fcb3a845 ("usb: cdnsp: Fix deadlock issue during using NCM gadget"). Under PREEMPT_RT the deadlock can be readily triggered by heavy network traffic, for example using "iperf --bidir" over NCM ethernet link. The deadlock occurs because the threaded interrupt handler gets preempted by a softirq, but both are protected by the same spinlock. Prevent deadlock by disabling softirq during threaded irq handler.

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 7733f6c32e36ff9d7adadf40001039bf219b1cbe < eebfb64c624fc738b669100173344fb441c5e719 ; affected 7733f6c32e36ff9d7adadf40001039bf219b1cbe < 59a760e4796a3cd88d8b9d7706e0a638de677751 ; affected 7733f6c32e36ff9d7adadf40001039bf219b1cbe < b96239582531775f2fdcb14de29bdb6870fd4c8c ; affected 7733f6c32e36ff9d7adadf40001039bf219b1cbe < c27db84ed44e50ff90d9e3a2a25fae2e0a0fa015 ; affected 7733f6c32e36ff9d7adadf40001039bf219b1cbe < 48a62deb857f0694f611949015e70ad194d97159 ; affected 7733f6c32e36ff9d7adadf40001039bf219b1cbe < 74cd6e408a4c010e404832f0e4609d29bf1d0c41
Linux · Linuxaffected 5.4 ; unaffected 0 < 5.4 ; unaffected 5.4.293 ≤ 5.4.* ; unaffected 5.10.237 ≤ 5.10.* ; unaffected 5.15.181 ≤ 5.15.* ; unaffected 6.1.136 ≤ 6.1.*

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