{"id":"CVE-2022-50033","state":"PUBLISHED","title":"usb: host: ohci-ppc-of: Fix refcount leak bug","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: host: ohci-ppc-of: Fix refcount leak bug\n\nIn ohci_hcd_ppc_of_probe(), of_find_compatible_node() will return\na node pointer with refcount incremented. We should use of_node_put()\nwhen it is not used anymore.","publishedAt":"2025-06-18T11:01:35.679Z","updatedAt":"2026-05-11T19:11:31.681Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"fe6fe64403710287f0ae61a516954d8a4f7c9e3f","versionType":"git"},{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"c5c5bd5cdcc6dc9f75f53d1c89af463d39a2bb96","versionType":"git"},{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"ec583e300aee9f152a64911445092d18e1c36729","versionType":"git"},{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"0334d23c56ecf1ee1563bb83e29cc5a51ed7fb4e","versionType":"git"},{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"cb5dd65e889163e723df1c2f02288cc527a57785","versionType":"git"},{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"0fc62bbc95319bbd330e3645afc7c286acec9ef8","versionType":"git"},{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"403132881e66db7aa98b55c6655daedd80d407fd","versionType":"git"},{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"40a959d7042bb7711e404ad2318b30e9f92c6b9b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/host/ohci-ppc-of.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.29","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.29","versionType":"semver"},{"version":"4.9.326","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.291","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.256","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.211","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.138","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.63","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.4","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/host/ohci-ppc-of.c"]}],"references":["https://git.kernel.org/stable/c/fe6fe64403710287f0ae61a516954d8a4f7c9e3f","https://git.kernel.org/stable/c/c5c5bd5cdcc6dc9f75f53d1c89af463d39a2bb96","https://git.kernel.org/stable/c/ec583e300aee9f152a64911445092d18e1c36729","https://git.kernel.org/stable/c/0334d23c56ecf1ee1563bb83e29cc5a51ed7fb4e","https://git.kernel.org/stable/c/cb5dd65e889163e723df1c2f02288cc527a57785","https://git.kernel.org/stable/c/0fc62bbc95319bbd330e3645afc7c286acec9ef8","https://git.kernel.org/stable/c/403132881e66db7aa98b55c6655daedd80d407fd","https://git.kernel.org/stable/c/40a959d7042bb7711e404ad2318b30e9f92c6b9b"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50033.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50033","state":"PUBLISHED","datePublished":"2025-06-18T11:01:35.679Z","dateUpdated":"2026-05-11T19:11:31.681Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-06-18T10:57:27.395Z"},"containers":{"cna":{"title":"usb: host: ohci-ppc-of: Fix refcount leak bug","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: host: ohci-ppc-of: Fix refcount leak bug\n\nIn ohci_hcd_ppc_of_probe(), of_find_compatible_node() will return\na node pointer with refcount incremented. We should use of_node_put()\nwhen it is not used anymore."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"fe6fe64403710287f0ae61a516954d8a4f7c9e3f","versionType":"git"},{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"c5c5bd5cdcc6dc9f75f53d1c89af463d39a2bb96","versionType":"git"},{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"ec583e300aee9f152a64911445092d18e1c36729","versionType":"git"},{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"0334d23c56ecf1ee1563bb83e29cc5a51ed7fb4e","versionType":"git"},{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"cb5dd65e889163e723df1c2f02288cc527a57785","versionType":"git"},{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"0fc62bbc95319bbd330e3645afc7c286acec9ef8","versionType":"git"},{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"403132881e66db7aa98b55c6655daedd80d407fd","versionType":"git"},{"version":"796bcae7361c28cf825780f6f1aac9dd3411394e","status":"affected","lessThan":"40a959d7042bb7711e404ad2318b30e9f92c6b9b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/host/ohci-ppc-of.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.29","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.29","versionType":"semver"},{"version":"4.9.326","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.291","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.256","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.211","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.138","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.63","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.19.4","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/host/ohci-ppc-of.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/fe6fe64403710287f0ae61a516954d8a4f7c9e3f"},{"url":"https://git.kernel.org/stable/c/c5c5bd5cdcc6dc9f75f53d1c89af463d39a2bb96"},{"url":"https://git.kernel.org/stable/c/ec583e300aee9f152a64911445092d18e1c36729"},{"url":"https://git.kernel.org/stable/c/0334d23c56ecf1ee1563bb83e29cc5a51ed7fb4e"},{"url":"https://git.kernel.org/stable/c/cb5dd65e889163e723df1c2f02288cc527a57785"},{"url":"https://git.kernel.org/stable/c/0fc62bbc95319bbd330e3645afc7c286acec9ef8"},{"url":"https://git.kernel.org/stable/c/403132881e66db7aa98b55c6655daedd80d407fd"},{"url":"https://git.kernel.org/stable/c/40a959d7042bb7711e404ad2318b30e9f92c6b9b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:11:31.681Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"4.9.326"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"4.14.291"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"4.19.256"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"5.4.211"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"5.10.138"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"5.15.63"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"5.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}