CVE-2022-50169

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Just use memdup_user()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/ath/wil6210/debugfs.c"], "versions": [{"version": "ff974e4083341383d3dd4079e52ed30f57f376f0", "lessThan": "c1216e699a1ce83ea005510844bd7508d34c6cef", "status": "affected", "versionType": "git"}, {"version": "ff974e4083341383d3dd4079e52ed30f57f376f0", "lessThan": "4615458db7793fadc6d546ac3564b36819e77a22", "status": "affected", "versionType": "git"}, {"version": "ff974e4083341383d3dd4079e52ed30f57f376f0", "lessThan": "60c9983425167ec5073c628d83a6875760d18059", "status": "affected", "versionType": "git"}, {"version": "ff974e4083341383d3dd4079e52ed30f57f376f0", "lessThan": "05ceda14ef7c73104e709c414c3680d8a59f51d4", "status": "affected", "versionType": "git"}, {"version": "ff974e4083341383d3dd4079e52ed30f57f376f0", "lessThan": "074e865b37da55aa87baa16d68b96896f85f8adb", "status": "affected", "versionType": "git"}, {"version": "ff974e4083341383d3dd4079e52ed30f57f376f0", "lessThan": "789edc1af9c1a2293956e8534bfef3d18d629de9", "status": "affected", "versionType": "git"}, {"version": "ff974e4083341383d3dd4079e52ed30f57f376f0", "lessThan": "67470920cd3f3cb38699b1ad23234f96bead4d21", "status": "affected", "versionType": "git"}, {"version": "ff974e4083341383d3dd4079e52ed30f57f376f0", "lessThan": "7a4836560a6198d245d5732e26f94898b12eb760", "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/net/wireless/ath/wil6210/debugfs.c"], "versions": [{"version": "3.17", "status": "affected"}, {"version": "0", "lessThan": "3.17", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.291", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.256", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.211", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.137", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.61", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.18", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.2", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0", "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": "3.17", "versionEndExcluding": "4.14.291"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "4.19.256"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "5.4.211"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "5.10.137"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "5.15.61"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "5.18.18"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "5.19.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "6.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c1216e699a1ce83ea005510844bd7508d34c6cef"}, {"url": "https://git.kernel.org/stable/c/4615458db7793fadc6d546ac3564b36819e77a22"}, {"url": "https://git.kernel.org/stable/c/60c9983425167ec5073c628d83a6875760d18059"}, {"url": "https://git.kernel.org/stable/c/05ceda14ef7c73104e709c414c3680d8a59f51d4"}, {"url": "https://git.kernel.org/stable/c/074e865b37da55aa87baa16d68b96896f85f8adb"}, {"url": "https://git.kernel.org/stable/c/789edc1af9c1a2293956e8534bfef3d18d629de9"}, {"url": "https://git.kernel.org/stable/c/67470920cd3f3cb38699b1ad23234f96bead4d21"}, {"url": "https://git.kernel.org/stable/c/7a4836560a6198d245d5732e26f94898b12eb760"}], "title": "wifi: wil6210: debugfs: fix info leak in wil_write_file_wmi()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

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However, we need to initialize the whole buffer\nto prevent information leaks. Just use memdup_user()."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: wil6210: debugfs: correcci\u00f3n de fuga de informaci\u00f3n en wil_write_file_wmi(). La funci\u00f3n simple_write_to_buffer() funcionar\u00e1 correctamente incluso si se inicializa un solo byte. Sin embargo, es necesario inicializar todo el b\u00fafer para evitar fugas de informaci\u00f3n. Simplemente use memdup_user()."}], "id": "CVE-2022-50169", "lastModified": "2026-06-17T05:22:54.040", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-06-18T11:15:47.227", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/05ceda14ef7c73104e709c414c3680d8a59f51d4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/074e865b37da55aa87baa16d68b96896f85f8adb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4615458db7793fadc6d546ac3564b36819e77a22"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/60c9983425167ec5073c628d83a6875760d18059"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/67470920cd3f3cb38699b1ad23234f96bead4d21"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/789edc1af9c1a2293956e8534bfef3d18d629de9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7a4836560a6198d245d5732e26f94898b12eb760"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c1216e699a1ce83ea005510844bd7508d34c6cef"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-909"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: wifi: wil6210: debugfs: fix info leak in wil_write_file_wmi()", "id": "2373604", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373604"}, "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:H/I:N/A:N", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: wil6210: debugfs: fix info leak in wil_write_file_wmi()\nThe simple_write_to_buffer() function will succeed if even a single\nbyte is initialized. However, we need to initialize the whole buffer\nto prevent information leaks. Just use memdup_user()."], "name": "CVE-2022-50169", "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": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "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": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50169\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50169\nhttps://lore.kernel.org/linux-cve-announce/2025061828-CVE-2022-50169-540a@gregkh/T"], "statement": "A sensitive information leak was discovered in the wil6210 WiFi driver\u2019s wil_write_file_wmi() debugfs interface. The previous implementation used simple_write_to_buffer() without zero-initializing the buffer, potentially exposing uninitialized kernel memory to user space. This issue is resolved by using memdup_user() instead. The vulnerability can be exploited by local users with access to the debugfs interface and may result in a minor disclosure of kernel memory contents.", "threat_severity": "Moderate"}

{"created": "2025-06-23T08:20:14.591917+00:00", "updated": "2025-06-23T08:20:14.591959+00:00", "vendors": ["linux", "linux$PRODUCT$linux", "linux$PRODUCT$linux_kernel"]}