{"id":"CVE-2025-37812","state":"PUBLISHED","title":"usb: cdns3: Fix deadlock when using NCM gadget","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdns3: Fix deadlock when using NCM gadget\n\nThe cdns3 driver has the same NCM deadlock as fixed in cdnsp by commit\n58f2fcb3a845 (\"usb: cdnsp: Fix deadlock issue during using NCM gadget\").\n\nUnder PREEMPT_RT the deadlock can be readily triggered by heavy network\ntraffic, for example using \"iperf --bidir\" over NCM ethernet link.\n\nThe deadlock occurs because the threaded interrupt handler gets\npreempted by a softirq, but both are protected by the same spinlock.\nPrevent deadlock by disabling softirq during threaded irq handler.","publishedAt":"2025-05-08T06:26:09.355Z","updatedAt":"2026-05-11T21:15:37.289Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"eebfb64c624fc738b669100173344fb441c5e719","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"59a760e4796a3cd88d8b9d7706e0a638de677751","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"b96239582531775f2fdcb14de29bdb6870fd4c8c","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"c27db84ed44e50ff90d9e3a2a25fae2e0a0fa015","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"48a62deb857f0694f611949015e70ad194d97159","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"74cd6e408a4c010e404832f0e4609d29bf1d0c41","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"09e90a9689a4aac7a2f726dc2aa472b0b37937b7","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"a1059896f2bfdcebcdc7153c3be2307ea319501f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/cdns3/cdns3-gadget.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.4","versionType":"semver"},{"version":"5.4.293","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.237","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.181","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.136","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.89","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.26","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.14.5","status":"unaffected","lessThanOrEqual":"6.14.*","versionType":"semver"},{"version":"6.15","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/cdns3/cdns3-gadget.c"]}],"references":["https://git.kernel.org/stable/c/eebfb64c624fc738b669100173344fb441c5e719","https://git.kernel.org/stable/c/59a760e4796a3cd88d8b9d7706e0a638de677751","https://git.kernel.org/stable/c/b96239582531775f2fdcb14de29bdb6870fd4c8c","https://git.kernel.org/stable/c/c27db84ed44e50ff90d9e3a2a25fae2e0a0fa015","https://git.kernel.org/stable/c/48a62deb857f0694f611949015e70ad194d97159","https://git.kernel.org/stable/c/74cd6e408a4c010e404832f0e4609d29bf1d0c41","https://git.kernel.org/stable/c/09e90a9689a4aac7a2f726dc2aa472b0b37937b7","https://git.kernel.org/stable/c/a1059896f2bfdcebcdc7153c3be2307ea319501f","https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html","https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:03.054Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/37xxx/CVE-2025-37812.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-37812","state":"PUBLISHED","datePublished":"2025-05-08T06:26:09.355Z","dateUpdated":"2026-05-11T21:15:37.289Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:23.942Z"},"containers":{"cna":{"title":"usb: cdns3: Fix deadlock when using NCM gadget","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdns3: Fix deadlock when using NCM gadget\n\nThe cdns3 driver has the same NCM deadlock as fixed in cdnsp by commit\n58f2fcb3a845 (\"usb: cdnsp: Fix deadlock issue during using NCM gadget\").\n\nUnder PREEMPT_RT the deadlock can be readily triggered by heavy network\ntraffic, for example using \"iperf --bidir\" over NCM ethernet link.\n\nThe deadlock occurs because the threaded interrupt handler gets\npreempted by a softirq, but both are protected by the same spinlock.\nPrevent deadlock by disabling softirq during threaded irq handler."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"eebfb64c624fc738b669100173344fb441c5e719","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"59a760e4796a3cd88d8b9d7706e0a638de677751","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"b96239582531775f2fdcb14de29bdb6870fd4c8c","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"c27db84ed44e50ff90d9e3a2a25fae2e0a0fa015","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"48a62deb857f0694f611949015e70ad194d97159","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"74cd6e408a4c010e404832f0e4609d29bf1d0c41","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"09e90a9689a4aac7a2f726dc2aa472b0b37937b7","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","status":"affected","lessThan":"a1059896f2bfdcebcdc7153c3be2307ea319501f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/cdns3/cdns3-gadget.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.4","versionType":"semver"},{"version":"5.4.293","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.237","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.181","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.136","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.89","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.26","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.14.5","status":"unaffected","lessThanOrEqual":"6.14.*","versionType":"semver"},{"version":"6.15","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/cdns3/cdns3-gadget.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/eebfb64c624fc738b669100173344fb441c5e719"},{"url":"https://git.kernel.org/stable/c/59a760e4796a3cd88d8b9d7706e0a638de677751"},{"url":"https://git.kernel.org/stable/c/b96239582531775f2fdcb14de29bdb6870fd4c8c"},{"url":"https://git.kernel.org/stable/c/c27db84ed44e50ff90d9e3a2a25fae2e0a0fa015"},{"url":"https://git.kernel.org/stable/c/48a62deb857f0694f611949015e70ad194d97159"},{"url":"https://git.kernel.org/stable/c/74cd6e408a4c010e404832f0e4609d29bf1d0c41"},{"url":"https://git.kernel.org/stable/c/09e90a9689a4aac7a2f726dc2aa472b0b37937b7"},{"url":"https://git.kernel.org/stable/c/a1059896f2bfdcebcdc7153c3be2307ea319501f"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:15:37.289Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.4.293"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.10.237"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.15.181"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.1.136"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.6.89"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.12.26"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.14.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.15"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T19:55:45.167Z"}}]}}}