CVE-2022-49442

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Using compaction_unregister_node to fix\nthis issue."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/base/node.c"], "versions": [{"version": "ed4a6d7f0676db50b5023cc01f6cda82a2f2a307", "lessThan": "39642b0feddb9c39faa6de469a94bfeb4dc0d3a9", "status": "affected", "versionType": "git"}, {"version": "ed4a6d7f0676db50b5023cc01f6cda82a2f2a307", "lessThan": "606732650a2c88e66c59c22dd5464ea0d820250e", "status": "affected", "versionType": "git"}, {"version": "ed4a6d7f0676db50b5023cc01f6cda82a2f2a307", "lessThan": "f76ddc8fcf6d81fe89bfa4d3efcbc4fe69a91d48", "status": "affected", "versionType": "git"}, {"version": "ed4a6d7f0676db50b5023cc01f6cda82a2f2a307", "lessThan": "386e69e068177ee91cac27f2f0e6ebda1515f5ca", "status": "affected", "versionType": "git"}, {"version": "ed4a6d7f0676db50b5023cc01f6cda82a2f2a307", "lessThan": 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But we forgot to remove it in unregister_node. Thus\ncompaction sysfs file is leaked. Using compaction_unregister_node to fix\nthis issue."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drivers/base/node.c: se ha corregido la fuga del archivo sysfs de compactaci\u00f3n. El archivo sysfs de compactaci\u00f3n se crea mediante compaction_register_node en register_node. Pero olvidamos eliminarlo en unregister_node. Por lo tanto, se ha filtrado el archivo sysfs de compactaci\u00f3n. Se utiliza compaction_unregister_node para solucionar este problema."}], "id": "CVE-2022-49442", "lastModified": "2026-06-17T05:18:03.713", "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": "2025-02-26T07:01:20.630", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/386e69e068177ee91cac27f2f0e6ebda1515f5ca"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/39642b0feddb9c39faa6de469a94bfeb4dc0d3a9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/466134df7561aeb801baddf6666b512e0e1a1707"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/606732650a2c88e66c59c22dd5464ea0d820250e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6905be93d1ab54f73718047536fec0ca488d5315"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b3fcf1f583b1a0946d9d9bfb7362c9c186801775"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d8a5bdc767f17281da648555cdbd286f98fd98ee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/da63dc84befaa9e6079a0bc363ff0eaa975f9073"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f76ddc8fcf6d81fe89bfa4d3efcbc4fe69a91d48"}], "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-2023:2458", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-284.11.1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}, {"advisory": "RHSA-2023:2458", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-284.11.1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}], "bugzilla": {"description": "kernel: drivers/base/node.c: fix compaction sysfs file leak", "id": "2347659", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347659"}, "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"}, "cwe": "CWE-401", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrivers/base/node.c: fix compaction sysfs file leak\nCompaction sysfs file is created via compaction_register_node in\nregister_node. But we forgot to remove it in unregister_node. Thus\ncompaction sysfs file is leaked. Using compaction_unregister_node to fix\nthis issue."], "name": "CVE-2022-49442", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "Affected", "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-2022-49442\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49442\nhttps://lore.kernel.org/linux-cve-announce/2025022657-CVE-2022-49442-ae21@gregkh/T"], "threat_severity": "Moderate"}

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