CVE-2022-49787

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There is no problem for the 'smbus_dev ==\nNULL' branch because pci_dev_put() can also handle the NULL input\nparameter case."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/mmc/host/sdhci-pci-core.c"], "versions": [{"version": "659c9bc114a810b3a3c1e50585cc57f1312a6d60", "lessThan": "7570e5b5419ffd34b6dc45a88c51e113a9a187e3", "status": "affected", "versionType": "git"}, {"version": "659c9bc114a810b3a3c1e50585cc57f1312a6d60", "lessThan": "5dbd6378dbf96787d6dbcca44156c511ae085ea3", "status": "affected", "versionType": "git"}, {"version": "659c9bc114a810b3a3c1e50585cc57f1312a6d60", "lessThan": "27f712cd47d65e14cd52cc32a23d42aeef583d5d", "status": "affected", "versionType": "git"}, {"version": "659c9bc114a810b3a3c1e50585cc57f1312a6d60", "lessThan": "4423866d31a06a810db22062ed13389416a66b22", "status": "affected", "versionType": "git"}, {"version": "659c9bc114a810b3a3c1e50585cc57f1312a6d60", "lessThan": "a99a547658e5d451f01ed307426286716b6f01bf", "status": "affected", "versionType": "git"}, {"version": "659c9bc114a810b3a3c1e50585cc57f1312a6d60", "lessThan": "35bca18092685b488003509fef7055aa2d4f2ebc", "status": "affected", "versionType": "git"}, {"version": "659c9bc114a810b3a3c1e50585cc57f1312a6d60", "lessThan": "222cfa0118aa68687ace74aab8fdf77ce8fbd7e6", "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/mmc/host/sdhci-pci-core.c"], "versions": [{"version": "4.4", "status": "affected"}, {"version": "0", "lessThan": "4.4", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.300", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.267", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.225", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.156", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.80", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.10", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "4.4", "versionEndExcluding": "4.14.300"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4", "versionEndExcluding": "4.19.267"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4", "versionEndExcluding": "5.4.225"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4", "versionEndExcluding": "5.10.156"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4", "versionEndExcluding": "5.15.80"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4", "versionEndExcluding": "6.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7570e5b5419ffd34b6dc45a88c51e113a9a187e3"}, {"url": "https://git.kernel.org/stable/c/5dbd6378dbf96787d6dbcca44156c511ae085ea3"}, {"url": "https://git.kernel.org/stable/c/27f712cd47d65e14cd52cc32a23d42aeef583d5d"}, {"url": "https://git.kernel.org/stable/c/4423866d31a06a810db22062ed13389416a66b22"}, {"url": "https://git.kernel.org/stable/c/a99a547658e5d451f01ed307426286716b6f01bf"}, {"url": "https://git.kernel.org/stable/c/35bca18092685b488003509fef7055aa2d4f2ebc"}, {"url": "https://git.kernel.org/stable/c/222cfa0118aa68687ace74aab8fdf77ce8fbd7e6"}], "title": "mmc: sdhci-pci: Fix possible memory leak caused by missing pci_dev_put()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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We need to use pci_dev_put() to decrease the reference count\nbefore amd_probe() returns. There is no problem for the 'smbus_dev ==\nNULL' branch because pci_dev_put() can also handle the NULL input\nparameter case."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mmc: sdhci-pci: Se corrige una posible fuga de memoria causada por la omisi\u00f3n de pci_dev_put(). pci_get_device() aumentar\u00e1 el recuento de referencias para el pci_dev devuelto. Necesitamos usar pci_dev_put() para disminuir el recuento de referencias antes de que amd_probe() regrese. No hay problema para la rama 'smbus_dev == NULL', ya que pci_dev_put() tambi\u00e9n puede gestionar el caso del par\u00e1metro de entrada NULL."}], "id": "CVE-2022-49787", "lastModified": "2026-06-17T05:19:08.783", "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": "2025-05-01T15:16:01.920", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/222cfa0118aa68687ace74aab8fdf77ce8fbd7e6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/27f712cd47d65e14cd52cc32a23d42aeef583d5d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/35bca18092685b488003509fef7055aa2d4f2ebc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4423866d31a06a810db22062ed13389416a66b22"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5dbd6378dbf96787d6dbcca44156c511ae085ea3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7570e5b5419ffd34b6dc45a88c51e113a9a187e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a99a547658e5d451f01ed307426286716b6f01bf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: mmc: sdhci-pci: Fix possible memory leak caused by missing pci_dev_put()", "id": "2363396", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363396"}, "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": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmmc: sdhci-pci: Fix possible memory leak caused by missing pci_dev_put()\npci_get_device() will increase the reference count for the returned\npci_dev. We need to use pci_dev_put() to decrease the reference count\nbefore amd_probe() returns. There is no problem for the 'smbus_dev ==\nNULL' branch because pci_dev_put() can also handle the NULL input\nparameter case."], "name": "CVE-2022-49787", "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": "Out of support scope", "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": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49787\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49787\nhttps://lore.kernel.org/linux-cve-announce/2025050121-CVE-2022-49787-7fb0@gregkh/T"], "threat_severity": "Moderate"}

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