{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50576", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-22T13:20:23.761Z", "datePublished": "2025-10-22T13:23:30.250Z", "dateUpdated": "2026-05-11T19:22:05.824Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:22:05.824Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: pch: Fix PCI device refcount leak in pch_request_dma()\n\nAs comment of pci_get_slot() says, it returns a pci_device with its\nrefcount increased. The caller must decrement the reference count by\ncalling pci_dev_put().\n\nSince 'dma_dev' is only used to filter the channel in filter(), we can\ncall pci_dev_put() before exiting from pch_request_dma(). Add the\nmissing pci_dev_put() for the normal and error path."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/tty/serial/pch_uart.c"], "versions": [{"version": "3c6a483275f47a2ef7119309ad3d791c10cf30da", "lessThan": "90ff030ca10b69feeebda1427550ebf9ed2ad868", "status": "affected", "versionType": "git"}, {"version": "3c6a483275f47a2ef7119309ad3d791c10cf30da", "lessThan": "56e5a7c5ee3f0dc8978b5df2b1a98a1b060c5e2a", "status": "affected", "versionType": "git"}, {"version": "3c6a483275f47a2ef7119309ad3d791c10cf30da", "lessThan": "dfd15c5550b9190d5b0f9bcacb3e6436322f3854", "status": "affected", "versionType": "git"}, {"version": "3c6a483275f47a2ef7119309ad3d791c10cf30da", "lessThan": "d165388227aa7e46a9751b90bae6337b5335cdbb", "status": "affected", "versionType": "git"}, {"version": "3c6a483275f47a2ef7119309ad3d791c10cf30da", "lessThan": "07f4ca68b0f6bf84b6b391c14b59fd179fcde9c5", "status": "affected", "versionType": "git"}, {"version": "3c6a483275f47a2ef7119309ad3d791c10cf30da", "lessThan": "6f7d82380fbeaed3a940efc33c23f0c4bbd0fc02", "status": "affected", "versionType": "git"}, {"version": "3c6a483275f47a2ef7119309ad3d791c10cf30da", "lessThan": "4f5d28865c665c9064de631a518f9bc8099d9ce4", "status": "affected", "versionType": "git"}, {"version": "3c6a483275f47a2ef7119309ad3d791c10cf30da", "lessThan": "516614a371c26e3334625b4bca19a5362bf658d6", "status": "affected", "versionType": "git"}, {"version": "3c6a483275f47a2ef7119309ad3d791c10cf30da", "lessThan": "8be3a7bf773700534a6e8f87f6ed2ed111254be5", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/tty/serial/pch_uart.c"], "versions": [{"version": "2.6.38", "status": "affected"}, {"version": "0", "lessThan": "2.6.38", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.337", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.303", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.270", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.229", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.163", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.86", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.16", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.2", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.38", "versionEndExcluding": "4.9.337"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.38", "versionEndExcluding": "4.14.303"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.38", "versionEndExcluding": "4.19.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.38", "versionEndExcluding": "5.4.229"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.38", "versionEndExcluding": "5.10.163"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.38", "versionEndExcluding": "5.15.86"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.38", "versionEndExcluding": "6.0.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.38", "versionEndExcluding": "6.1.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.38", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/90ff030ca10b69feeebda1427550ebf9ed2ad868"}, {"url": "https://git.kernel.org/stable/c/56e5a7c5ee3f0dc8978b5df2b1a98a1b060c5e2a"}, {"url": "https://git.kernel.org/stable/c/dfd15c5550b9190d5b0f9bcacb3e6436322f3854"}, {"url": "https://git.kernel.org/stable/c/d165388227aa7e46a9751b90bae6337b5335cdbb"}, {"url": "https://git.kernel.org/stable/c/07f4ca68b0f6bf84b6b391c14b59fd179fcde9c5"}, {"url": "https://git.kernel.org/stable/c/6f7d82380fbeaed3a940efc33c23f0c4bbd0fc02"}, {"url": "https://git.kernel.org/stable/c/4f5d28865c665c9064de631a518f9bc8099d9ce4"}, {"url": "https://git.kernel.org/stable/c/516614a371c26e3334625b4bca19a5362bf658d6"}, {"url": "https://git.kernel.org/stable/c/8be3a7bf773700534a6e8f87f6ed2ed111254be5"}], "title": "serial: pch: Fix PCI device refcount leak in pch_request_dma()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: pch: Fix PCI device refcount leak in pch_request_dma()\n\nAs comment of pci_get_slot() says, it returns a pci_device with its\nrefcount increased. The caller must decrement the reference count by\ncalling pci_dev_put().\n\nSince 'dma_dev' is only used to filter the channel in filter(), we can\ncall pci_dev_put() before exiting from pch_request_dma(). Add the\nmissing pci_dev_put() for the normal and error path."}], "id": "CVE-2022-50576", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-10-22T14:15:42.560", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/07f4ca68b0f6bf84b6b391c14b59fd179fcde9c5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4f5d28865c665c9064de631a518f9bc8099d9ce4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/516614a371c26e3334625b4bca19a5362bf658d6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/56e5a7c5ee3f0dc8978b5df2b1a98a1b060c5e2a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6f7d82380fbeaed3a940efc33c23f0c4bbd0fc02"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8be3a7bf773700534a6e8f87f6ed2ed111254be5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/90ff030ca10b69feeebda1427550ebf9ed2ad868"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d165388227aa7e46a9751b90bae6337b5335cdbb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dfd15c5550b9190d5b0f9bcacb3e6436322f3854"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: serial: pch: Fix PCI device refcount leak in pch_request_dma()", "id": "2405742", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2405742"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2022-50576", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-10-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50576\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50576\nhttps://lore.kernel.org/linux-cve-announce/2025102209-CVE-2022-50576-98f3@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-10-23T10:07:35.793430+00:00", "updated": "2025-10-23T10:07:35.793456+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}