CVE-2022-49957

{"id": "CVE-2022-49957", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-06-18T11:15:22.897", "references": [{"url": "https://git.kernel.org/stable/c/0946ff31d1a8778787bf6708beb20f38715267cc", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/1b6666964ca1de93a7bf06e122bcf3616dbd33a9", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/473f394953216614087f4179e55cdf0cf616a13b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/55fb8c3baa8071c5d533a9ad48624e44e2a04ef5", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8fc29ff3910f3af08a7c40a75d436b5720efe2bf", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a8a0c321319ad64a5427d6172cd9c23b4d6ca1e8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f865976baa85915c7672f351b74d5974b93215f6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-908"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nkcm: fix strp_init() order and cleanup\n\nstrp_init() is called just a few lines above this csk->sk_user_data\ncheck, it also initializes strp->work etc., therefore, it is\nunnecessary to call strp_done() to cancel the freshly initialized\nwork.\n\nAnd if sk_user_data is already used by KCM, psock->strp should not be\ntouched, particularly strp->work state, so we need to move strp_init()\nafter the csk->sk_user_data check.\n\nThis also makes a lockdep warning reported by syzbot go away."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: kcm: correcci\u00f3n del orden y la limpieza de strp_init(). strp_init() se llama solo unas l\u00edneas por encima de la comprobaci\u00f3n csk->sk_user_data; tambi\u00e9n inicializa strp->work, etc., por lo que no es necesario llamar a strp_done() para cancelar el trabajo reci\u00e9n inicializado. Si KCM ya utiliza sk_user_data, no se debe modificar psock->strp, en particular el estado strp->work, por lo que es necesario mover strp_init() despu\u00e9s de la comprobaci\u00f3n csk->sk_user_data. Esto tambi\u00e9n elimina la advertencia de lockdep reportada por syzbot."}], "lastModified": "2025-11-14T18:10:23.750", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C5DD8A70-F034-42A4-A740-48D356380D59", "versionEndExcluding": "4.10", "versionStartIncluding": "4.9.84"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B0260526-FA42-4FB4-B047-599A719B6B88", "versionEndExcluding": "4.10", "versionStartIncluding": "4.9.100"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3CE25529-E206-4232-88A9-7BEDBEF5C5A7", "versionEndExcluding": "4.14.293", "versionStartIncluding": "4.14.22"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F9EC0120-5F42-4FE1-9DE9-3386113E1E28", "versionEndExcluding": "4.15", "versionStartIncluding": "4.14.41"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BA722121-014F-4B12-A5E9-2E964FFEA0CA", "versionEndExcluding": "4.19.258", "versionStartIncluding": "4.15.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4C373116-9E23-44BA-A6B7-87C8BF5C3B85", "versionEndExcluding": "5.4.213", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D44AD643-5591-432E-BD41-C2C737F54AC0", "versionEndExcluding": "5.10.142", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "52AE7E2B-7BE3-4B8A-89CC-AB62434899A3", "versionEndExcluding": "5.15.66", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7FEC7656-4CE2-424C-8830-EDB160E701C8", "versionEndExcluding": "5.19.8", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.15:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3B4D39AF-668B-442B-8085-639A6D4FA5AC"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E8BD11A3-8643-49B6-BADE-5029A0117325"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5F0AD220-F6A9-4012-8636-155F1B841FAD"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A46498B3-78E1-4623-AAE1-94D29A42BE4E"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}