CVE-2022-49836

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So fix this\nby calling put_device(), then the name can be freed in\nkobject_cleanup(), and sdevice is freed in siox_device_release(),\nset it to null in error path."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/siox/siox-core.c"], "versions": [{"version": "bbecb07fa0af9a41507ce06d4631fdb3b5059417", "lessThan": "0a5da069603ecc3d7aa09167450235462adaa295", "status": "affected", "versionType": "git"}, {"version": "bbecb07fa0af9a41507ce06d4631fdb3b5059417", "lessThan": "f9fe7ba4ea5b24ffdf8e125f660aca3ba4a147fb", "status": "affected", "versionType": "git"}, {"version": "bbecb07fa0af9a41507ce06d4631fdb3b5059417", "lessThan": "a4b5423f88a17a36550ae8c16c46779b1ee42f4b", "status": "affected", "versionType": "git"}, {"version": "bbecb07fa0af9a41507ce06d4631fdb3b5059417", "lessThan": "5d03c2911c529ea4d6ebfec53425f1091e8d402b", "status": "affected", "versionType": "git"}, {"version": "bbecb07fa0af9a41507ce06d4631fdb3b5059417", "lessThan": "d9c31e728843259209fb530c59995e4fe262699f", "status": "affected", "versionType": "git"}, {"version": "bbecb07fa0af9a41507ce06d4631fdb3b5059417", "lessThan": "6e63153db50059fb78b8a8447b132664887d24e3", "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/siox/siox-core.c"], "versions": [{"version": "4.16", "status": "affected"}, {"version": "0", "lessThan": "4.16", "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": "4.16", "versionEndExcluding": "4.19.267"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "5.4.225"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "5.10.156"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "5.15.80"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "6.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0a5da069603ecc3d7aa09167450235462adaa295"}, {"url": "https://git.kernel.org/stable/c/f9fe7ba4ea5b24ffdf8e125f660aca3ba4a147fb"}, {"url": "https://git.kernel.org/stable/c/a4b5423f88a17a36550ae8c16c46779b1ee42f4b"}, {"url": "https://git.kernel.org/stable/c/5d03c2911c529ea4d6ebfec53425f1091e8d402b"}, {"url": "https://git.kernel.org/stable/c/d9c31e728843259209fb530c59995e4fe262699f"}, {"url": "https://git.kernel.org/stable/c/6e63153db50059fb78b8a8447b132664887d24e3"}], "title": "siox: fix possible memory leak in siox_device_add()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-49836", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-05T19:50:31.324631Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-05T20:00:09.305Z"}}]}}

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As\ncomment of device_register() says, it should use put_device()\nto give up the reference in the error path. 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As\ncomment of device_register() says, it should use put_device()\nto give up the reference in the error path. So fix this\nby calling put_device(), then the name can be freed in\nkobject_cleanup(), and sdevice is freed in siox_device_release(),\nset it to null in error path."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: siox: Se corrige una posible fuga de memoria en siox_device_add(). Si device_register() devuelve un error en siox_device_add(), se debe liberar el nombre asignado por dev_set_name(). Como se indica en el comentario de device_register(), se debe usar put_device() para liberar la referencia en la ruta de error. Para solucionar esto, se debe llamar a put_device(); de esta manera, se puede liberar el nombre en kobject_cleanup() y sdevice se libera en siox_device_release(); config\u00farelo como nulo en la ruta de error."}], "id": "CVE-2022-49836", "lastModified": "2026-11-05T20:17:15.703", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-49836", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T19:50:31.324631Z", "version": "2.0.3"}}]}, "published": "2025-05-01T15:16:07.087", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0a5da069603ecc3d7aa09167450235462adaa295"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5d03c2911c529ea4d6ebfec53425f1091e8d402b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6e63153db50059fb78b8a8447b132664887d24e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a4b5423f88a17a36550ae8c16c46779b1ee42f4b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d9c31e728843259209fb530c59995e4fe262699f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f9fe7ba4ea5b24ffdf8e125f660aca3ba4a147fb"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: siox: fix possible memory leak in siox_device_add()", "id": "2363507", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363507"}, "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"}, "cwe": "CWE-401", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nsiox: fix possible memory leak in siox_device_add()\nIf device_register() returns error in siox_device_add(),\nthe name allocated by dev_set_name() need be freed. As\ncomment of device_register() says, it should use put_device()\nto give up the reference in the error path. So fix this\nby calling put_device(), then the name can be freed in\nkobject_cleanup(), and sdevice is freed in siox_device_release(),\nset it to null in error path."], "name": "CVE-2022-49836", "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": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49836\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49836\nhttps://lore.kernel.org/linux-cve-announce/2025050138-CVE-2022-49836-510d@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-06-23T09:16:29.762655+00:00", "updated": "2025-06-23T09:16:29.762707+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}