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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.

PUBLISHED Reserved 2025-04-16 | Published 2025-05-08 | Updated 2026-05-11 | Assigner Linux

Product status

Default status
unaffected

7733f6c32e36ff9d7adadf40001039bf219b1cbe (git) before eebfb64c624fc738b669100173344fb441c5e719
affected

7733f6c32e36ff9d7adadf40001039bf219b1cbe (git) before 59a760e4796a3cd88d8b9d7706e0a638de677751
affected

7733f6c32e36ff9d7adadf40001039bf219b1cbe (git) before b96239582531775f2fdcb14de29bdb6870fd4c8c
affected

7733f6c32e36ff9d7adadf40001039bf219b1cbe (git) before c27db84ed44e50ff90d9e3a2a25fae2e0a0fa015
affected

7733f6c32e36ff9d7adadf40001039bf219b1cbe (git) before 48a62deb857f0694f611949015e70ad194d97159
affected

7733f6c32e36ff9d7adadf40001039bf219b1cbe (git) before 74cd6e408a4c010e404832f0e4609d29bf1d0c41
affected

7733f6c32e36ff9d7adadf40001039bf219b1cbe (git) before 09e90a9689a4aac7a2f726dc2aa472b0b37937b7
affected

7733f6c32e36ff9d7adadf40001039bf219b1cbe (git) before a1059896f2bfdcebcdc7153c3be2307ea319501f
affected

Default status
affected

5.4
affected

Any version before 5.4
unaffected

5.4.293 (semver)
unaffected

5.10.237 (semver)
unaffected

5.15.181 (semver)
unaffected

6.1.136 (semver)
unaffected

6.6.89 (semver)
unaffected

6.12.26 (semver)
unaffected

6.14.5 (semver)
unaffected

6.15 (original_commit_for_fix)
unaffected

References

lists.debian.org/debian-lts-announce/2025/05/msg00045.html

lists.debian.org/debian-lts-announce/2025/05/msg00030.html

git.kernel.org/...c/eebfb64c624fc738b669100173344fb441c5e719

git.kernel.org/...c/59a760e4796a3cd88d8b9d7706e0a638de677751

git.kernel.org/...c/b96239582531775f2fdcb14de29bdb6870fd4c8c

git.kernel.org/...c/c27db84ed44e50ff90d9e3a2a25fae2e0a0fa015

git.kernel.org/...c/48a62deb857f0694f611949015e70ad194d97159

git.kernel.org/...c/74cd6e408a4c010e404832f0e4609d29bf1d0c41

git.kernel.org/...c/09e90a9689a4aac7a2f726dc2aa472b0b37937b7

git.kernel.org/...c/a1059896f2bfdcebcdc7153c3be2307ea319501f

cve.org (CVE-2025-37812)

nvd.nist.gov (CVE-2025-37812)

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