CVE-2022-50251

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added before mmc_add_host() needs be del.\n\nAnd this patch fixes another missing call mmc_free_host() if usb_control_msg()\nfails."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/mmc/host/vub300.c"], "versions": [{"version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89", "lessThan": "41ed46bdbd2878cd6567abe0974a445f8b1b8ec8", "status": "affected", "versionType": "git"}, {"version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89", "lessThan": "25f05d762ca5e1c685002a53dd44f68e78ca3feb", "status": "affected", "versionType": "git"}, {"version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89", "lessThan": "a46e681151bbdacdf6b89ee8c4e5bad0555142bb", "status": "affected", "versionType": "git"}, {"version": "88095e7b473a3d9ec3b9c60429576e9cbd327c89", "lessThan": "3b29f8769d32016b2d89183db4d80c7a71b7e35e", "status": "affected", "versionType": "git"}, {"version": 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{}

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memory\nthat allocated in mmc_alloc_host() will be leaked and it will lead a kernel\ncrash because of deleting not added device in the remove path.\n\nSo fix this by checking the return value and goto error path which will call\nmmc_free_host(), besides, the timer added before mmc_add_host() needs be del.\n\nAnd this patch fixes another missing call mmc_free_host() if usb_control_msg()\nfails."}], "id": "CVE-2022-50251", "lastModified": "2026-06-17T05:23:04.633", "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": "2025-09-15T14:15:35.750", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0613ad2401f88bdeae5594c30afe318e93b14676"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2044b2ea77945f372ef161d1bbf814e471767ff2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/25f05d762ca5e1c685002a53dd44f68e78ca3feb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3049a3b927a40d89d4582ff1033cd7953be773c7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3b29f8769d32016b2d89183db4d80c7a71b7e35e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/41ed46bdbd2878cd6567abe0974a445f8b1b8ec8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": 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{"bugzilla": {"description": "kernel: mmc: vub300: fix return value check of mmc_add_host()", "id": "2395251", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2395251"}, "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-2022-50251", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-09-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50251\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50251\nhttps://lore.kernel.org/linux-cve-announce/2025091549-CVE-2022-50251-c216@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-09-17T10:08:28.976764+00:00", "updated": "2025-09-17T10:08:28.976823+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}