{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49212", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T01:49:39.292Z", "datePublished": "2025-02-26T01:55:48.690Z", "dateUpdated": "2025-02-26T01:55:48.690Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-02-26T01:55:48.690Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init\n\nThe reference counting issue happens in several error handling paths\non a refcounted object \"nc->dmac\". In these paths, the function simply\nreturns the error code, forgetting to balance the reference count of\n\"nc->dmac\", increased earlier by dma_request_channel(), which may\ncause refcount leaks.\n\nFix it by decrementing the refcount of specific object in those error\npaths."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/mtd/nand/raw/atmel/nand-controller.c"], "versions": [{"version": "f88fc122cc34c2545dec9562eaab121494e401ef", "lessThan": "0856bf27057561f42b37df111603cf5a0d040294", "status": "affected", "versionType": "git"}, {"version": "f88fc122cc34c2545dec9562eaab121494e401ef", "lessThan": "9843c9c98f26c6ad843260b19bfdaa2598f2ae1e", "status": "affected", "versionType": "git"}, {"version": "f88fc122cc34c2545dec9562eaab121494e401ef", "lessThan": "9b08d211db4c447eb1a07df65e45e0aa772e0fa6", "status": "affected", "versionType": "git"}, {"version": "f88fc122cc34c2545dec9562eaab121494e401ef", "lessThan": "a3587259ae553e41d1ce8c7435351a5d6b299a11", "status": "affected", "versionType": "git"}, {"version": "f88fc122cc34c2545dec9562eaab121494e401ef", "lessThan": "fe0e2ce5c87e9c0b9485ff566362030aa55972cf", "status": "affected", "versionType": "git"}, {"version": "f88fc122cc34c2545dec9562eaab121494e401ef", "lessThan": "8baea2b96fa90af8d0f937caf4cf2105ee094d93", "status": "affected", "versionType": "git"}, {"version": "f88fc122cc34c2545dec9562eaab121494e401ef", "lessThan": "f1694169f3674cdf7553aed06864254635679878", "status": "affected", "versionType": "git"}, {"version": "f88fc122cc34c2545dec9562eaab121494e401ef", "lessThan": "fecbd4a317c95d73c849648c406bcf1b6a0ec1cf", "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/mtd/nand/raw/atmel/nand-controller.c"], "versions": [{"version": "4.12", "status": "affected"}, {"version": "0", "lessThan": "4.12", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.276", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.238", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.189", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.110", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.33", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.16.19", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.2", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/0856bf27057561f42b37df111603cf5a0d040294"}, {"url": "https://git.kernel.org/stable/c/9843c9c98f26c6ad843260b19bfdaa2598f2ae1e"}, {"url": "https://git.kernel.org/stable/c/9b08d211db4c447eb1a07df65e45e0aa772e0fa6"}, {"url": "https://git.kernel.org/stable/c/a3587259ae553e41d1ce8c7435351a5d6b299a11"}, {"url": "https://git.kernel.org/stable/c/fe0e2ce5c87e9c0b9485ff566362030aa55972cf"}, {"url": "https://git.kernel.org/stable/c/8baea2b96fa90af8d0f937caf4cf2105ee094d93"}, {"url": "https://git.kernel.org/stable/c/f1694169f3674cdf7553aed06864254635679878"}, {"url": "https://git.kernel.org/stable/c/fecbd4a317c95d73c849648c406bcf1b6a0ec1cf"}], "title": "mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "76EDAF8B-A61C-4220-A866-7A0A933212D4", "versionEndExcluding": "4.14.276", "versionStartIncluding": "4.12", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FA28527A-11D3-41D2-9C4C-ECAC0D6A4A2D", "versionEndExcluding": "4.19.238", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8CB6E8F5-C2B1-46F3-A807-0F6104AC340F", "versionEndExcluding": "5.4.189", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "91D3BFD0-D3F3-4018-957C-96CCBF357D79", "versionEndExcluding": "5.10.110", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "27C42AE8-B387-43E2-938A-E1C8B40BE6D5", "versionEndExcluding": "5.15.33", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "20C43679-0439-405A-B97F-685BEE50613B", "versionEndExcluding": "5.16.19", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "210C679C-CF84-44A3-8939-E629C87E54BF", "versionEndExcluding": "5.17.2", "versionStartIncluding": "5.17", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init\n\nThe reference counting issue happens in several error handling paths\non a refcounted object \"nc->dmac\". In these paths, the function simply\nreturns the error code, forgetting to balance the reference count of\n\"nc->dmac\", increased earlier by dma_request_channel(), which may\ncause refcount leaks.\n\nFix it by decrementing the refcount of specific object in those error\npaths."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mtd: rawnand: atmel: soluciona el problema de recuento de referencias en atmel_nand_controller_init El problema de recuento de referencias ocurre en varias rutas de manejo de errores en un objeto con recuento de referencias \"nc->dmac\". En estas rutas, la funci\u00f3n simplemente devuelve el c\u00f3digo de error, olvidando equilibrar el recuento de referencias de \"nc->dmac\", aumentado anteriormente por dma_request_channel(), lo que puede causar fugas de recuento de referencias. Arr\u00e9glelo disminuyendo el recuento de referencias de un objeto espec\u00edfico en esas rutas de error."}], "id": "CVE-2022-49212", "lastModified": "2025-03-18T19:31:39.623", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-02-26T07:00:58.293", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0856bf27057561f42b37df111603cf5a0d040294"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8baea2b96fa90af8d0f937caf4cf2105ee094d93"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9843c9c98f26c6ad843260b19bfdaa2598f2ae1e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9b08d211db4c447eb1a07df65e45e0aa772e0fa6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a3587259ae553e41d1ce8c7435351a5d6b299a11"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f1694169f3674cdf7553aed06864254635679878"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fe0e2ce5c87e9c0b9485ff566362030aa55972cf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fecbd4a317c95d73c849648c406bcf1b6a0ec1cf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init", "id": "2348357", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348357"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\nmtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init\nThe reference counting issue happens in several error handling paths\non a refcounted object \"nc->dmac\". In these paths, the function simply\nreturns the error code, forgetting to balance the reference count of\n\"nc->dmac\", increased earlier by dma_request_channel(), which may\ncause refcount leaks.\nFix it by decrementing the refcount of specific object in those error\npaths."], "name": "CVE-2022-49212", "package_state": [{"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": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49212\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49212\nhttps://lore.kernel.org/linux-cve-announce/2025022619-CVE-2022-49212-d8e6@gregkh/T"], "threat_severity": "Low"}