{"id":"CVE-2022-50810","state":"PUBLISHED","title":"rapidio: devices: fix missing put_device in mport_cdev_open","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nrapidio: devices: fix missing put_device in mport_cdev_open\n\nWhen kfifo_alloc fails, the refcount of chdev->dev is left incremental. \nWe should use put_device(&chdev->dev) to decrease the ref count of\nchdev->dev to avoid refcount leak.","publishedAt":"2025-12-30T12:08:27.924Z","updatedAt":"2026-05-11T19:25:33.405Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"6e4540e0970030e140998ce8847f5f0171b5afa1","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"ae57222402bea455e60cc51d2f52ce73b63b7af8","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"dfee9fe93dd34cd9d49520718f6ec2072de25e48","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"bb7397f6312d2cbf05e415676ed5b1655cb82a34","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"53915ecc43c5139d6cdd1caa4fdc9290b9597008","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"a0d93aac54ce07a7cc71e90645d0cdabbda50450","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"162433a96079bfa5ec748c486b4570f138d04fb5","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"b596242585984b5f3085aa8f7a82c65640b384b6","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"d5b6e6eba3af11cb2a2791fa36a2524990fcde1a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/rapidio/devices/rio_mport_cdev.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.6","versionType":"semver"},{"version":"4.9.337","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/rapidio/devices/rio_mport_cdev.c"]}],"references":["https://git.kernel.org/stable/c/6e4540e0970030e140998ce8847f5f0171b5afa1","https://git.kernel.org/stable/c/ae57222402bea455e60cc51d2f52ce73b63b7af8","https://git.kernel.org/stable/c/dfee9fe93dd34cd9d49520718f6ec2072de25e48","https://git.kernel.org/stable/c/bb7397f6312d2cbf05e415676ed5b1655cb82a34","https://git.kernel.org/stable/c/53915ecc43c5139d6cdd1caa4fdc9290b9597008","https://git.kernel.org/stable/c/a0d93aac54ce07a7cc71e90645d0cdabbda50450","https://git.kernel.org/stable/c/162433a96079bfa5ec748c486b4570f138d04fb5","https://git.kernel.org/stable/c/b596242585984b5f3085aa8f7a82c65640b384b6","https://git.kernel.org/stable/c/d5b6e6eba3af11cb2a2791fa36a2524990fcde1a"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50810.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50810","state":"PUBLISHED","datePublished":"2025-12-30T12:08:27.924Z","dateUpdated":"2026-05-11T19:25:33.405Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-30T12:06:07.130Z"},"containers":{"cna":{"title":"rapidio: devices: fix missing put_device in mport_cdev_open","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nrapidio: devices: fix missing put_device in mport_cdev_open\n\nWhen kfifo_alloc fails, the refcount of chdev->dev is left incremental. \nWe should use put_device(&chdev->dev) to decrease the ref count of\nchdev->dev to avoid refcount leak."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"6e4540e0970030e140998ce8847f5f0171b5afa1","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"ae57222402bea455e60cc51d2f52ce73b63b7af8","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"dfee9fe93dd34cd9d49520718f6ec2072de25e48","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"bb7397f6312d2cbf05e415676ed5b1655cb82a34","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"53915ecc43c5139d6cdd1caa4fdc9290b9597008","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"a0d93aac54ce07a7cc71e90645d0cdabbda50450","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"162433a96079bfa5ec748c486b4570f138d04fb5","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"b596242585984b5f3085aa8f7a82c65640b384b6","versionType":"git"},{"version":"e8de370188d098bb49483c287b44925957c3c9b6","status":"affected","lessThan":"d5b6e6eba3af11cb2a2791fa36a2524990fcde1a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/rapidio/devices/rio_mport_cdev.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.6","versionType":"semver"},{"version":"4.9.337","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/rapidio/devices/rio_mport_cdev.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6e4540e0970030e140998ce8847f5f0171b5afa1"},{"url":"https://git.kernel.org/stable/c/ae57222402bea455e60cc51d2f52ce73b63b7af8"},{"url":"https://git.kernel.org/stable/c/dfee9fe93dd34cd9d49520718f6ec2072de25e48"},{"url":"https://git.kernel.org/stable/c/bb7397f6312d2cbf05e415676ed5b1655cb82a34"},{"url":"https://git.kernel.org/stable/c/53915ecc43c5139d6cdd1caa4fdc9290b9597008"},{"url":"https://git.kernel.org/stable/c/a0d93aac54ce07a7cc71e90645d0cdabbda50450"},{"url":"https://git.kernel.org/stable/c/162433a96079bfa5ec748c486b4570f138d04fb5"},{"url":"https://git.kernel.org/stable/c/b596242585984b5f3085aa8f7a82c65640b384b6"},{"url":"https://git.kernel.org/stable/c/d5b6e6eba3af11cb2a2791fa36a2524990fcde1a"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:25:33.405Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"4.9.337"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engin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