{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49455", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.573Z", "datePublished": "2025-02-26T02:13:04.116Z", "dateUpdated": "2025-02-26T02:13:04.116Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-02-26T02:13:04.116Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: ocxl: fix possible double free in ocxl_file_register_afu\n\ninfo_release() will be called in device_unregister() when info->dev's\nreference count is 0. So there is no need to call ocxl_afu_put() and\nkfree() again.\n\nFix this by adding free_minor() and return to err_unregister error path."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/misc/ocxl/file.c"], "versions": [{"version": "75ca758adbafc81804c39b2c200ecdc819a6c042", "lessThan": "de65c32ace9aa70d51facc61ba986607075e3a25", "status": "affected", "versionType": "git"}, {"version": "75ca758adbafc81804c39b2c200ecdc819a6c042", "lessThan": "ee89d8dee55ab4b3b8ad8b70866b2841ba334767", "status": "affected", "versionType": "git"}, {"version": "75ca758adbafc81804c39b2c200ecdc819a6c042", "lessThan": "8fb674216835e1f0c143762696d645facebb4685", "status": "affected", "versionType": "git"}, {"version": "75ca758adbafc81804c39b2c200ecdc819a6c042", "lessThan": "252768d32e92c1214aeebb5fec0844ca479bcf5c", "status": "affected", "versionType": "git"}, {"version": "75ca758adbafc81804c39b2c200ecdc819a6c042", "lessThan": "9e9087cf34ee69f4e95d146ac29385d6e367a97b", "status": "affected", "versionType": "git"}, {"version": "75ca758adbafc81804c39b2c200ecdc819a6c042", "lessThan": "950cf957fe34d40d63dfa3bf3968210430b6491e", "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/misc/ocxl/file.c"], "versions": [{"version": "5.2", "status": "affected"}, {"version": "0", "lessThan": "5.2", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.198", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.121", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.46", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.14", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.3", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/de65c32ace9aa70d51facc61ba986607075e3a25"}, {"url": "https://git.kernel.org/stable/c/ee89d8dee55ab4b3b8ad8b70866b2841ba334767"}, {"url": "https://git.kernel.org/stable/c/8fb674216835e1f0c143762696d645facebb4685"}, {"url": "https://git.kernel.org/stable/c/252768d32e92c1214aeebb5fec0844ca479bcf5c"}, {"url": "https://git.kernel.org/stable/c/9e9087cf34ee69f4e95d146ac29385d6e367a97b"}, {"url": "https://git.kernel.org/stable/c/950cf957fe34d40d63dfa3bf3968210430b6491e"}], "title": "misc: ocxl: fix possible double free in ocxl_file_register_afu", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F6A5879C-3AE9-495A-9327-7D3101F7E358", "versionEndExcluding": "5.4.198", "versionStartIncluding": "5.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "34ACD872-E5BC-401C-93D5-B357A62426E0", "versionEndExcluding": "5.10.121", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "20D41697-0E8B-4B7D-8842-F17BF2AA21E1", "versionEndExcluding": "5.15.46", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "15E2DD33-2255-4B76-9C15-04FF8CBAB252", "versionEndExcluding": "5.17.14", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8E122216-2E9E-4B3E-B7B8-D575A45BA3C2", "versionEndExcluding": "5.18.3", "versionStartIncluding": "5.18", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: ocxl: fix possible double free in ocxl_file_register_afu\n\ninfo_release() will be called in device_unregister() when info->dev's\nreference count is 0. So there is no need to call ocxl_afu_put() and\nkfree() again.\n\nFix this by adding free_minor() and return to err_unregister error path."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: misc: ocxl: se corrige la posible doble liberaci\u00f3n en ocxl_file_register_afu. Se llamar\u00e1 a info_release() en device_unregister() cuando el recuento de referencias de info->dev sea 0. Por lo tanto, no es necesario llamar a ocxl_afu_put() y kfree() nuevamente. Corrija esto agregando free_minor() y regrese a la ruta de error err_unregister."}], "id": "CVE-2022-49455", "lastModified": "2025-03-17T16:11:40.500", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-02-26T07:01:21.857", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/252768d32e92c1214aeebb5fec0844ca479bcf5c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8fb674216835e1f0c143762696d645facebb4685"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/950cf957fe34d40d63dfa3bf3968210430b6491e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9e9087cf34ee69f4e95d146ac29385d6e367a97b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/de65c32ace9aa70d51facc61ba986607075e3a25"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ee89d8dee55ab4b3b8ad8b70866b2841ba334767"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: misc: ocxl: fix possible double free in ocxl_file_register_afu", "id": "2347972", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347972"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-415", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmisc: ocxl: fix possible double free in ocxl_file_register_afu\ninfo_release() will be called in device_unregister() when info->dev's\nreference count is 0. So there is no need to call ocxl_afu_put() and\nkfree() again.\nFix this by adding free_minor() and return to err_unregister error path."], "name": "CVE-2022-49455", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "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": "Will not fix", "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-2022-49455\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49455\nhttps://lore.kernel.org/linux-cve-announce/2025022600-CVE-2022-49455-a338@gregkh/T"], "threat_severity": "Moderate"}