CVE-2022-32296

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}, {"affectedData": [{"defaultStatus": "unknown", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "vendor": "Siemens", "versions": [{"lessThan": "V1.1", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "25C3E3D8-C739-42D8-853F-3589B322CD1E", "versionEndExcluding": "5.17.9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 (\"Double-Hash Port Selection Algorithm\") of RFC 6056."}, {"lang": "es", "value": "El kernel de Linux anterior a la versi\u00f3n 5.17.9 permite a los servidores TCP identificar a los clientes observando qu\u00e9 puertos de origen se utilizan. Esto ocurre debido al uso del Algoritmo 4 (\"Double-Hash Port Selection Algorithm\") del RFC 6056"}], "id": "CVE-2022-32296", "lastModified": "2026-10-14T17:17:40.420", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-06-05T22:15:08.797", "references": [{"source": "cve@mitre.org", "url": "https://arxiv.org/abs/2209.12993"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5"}, {"source": "cve@mitre.org", "url": "https://github.com/0xkol/rfc6056-device-tracker"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html"}, {"source": "cve@mitre.org", "url": "https://www.debian.org/security/2022/dsa-5173"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://arxiv.org/abs/2209.12993"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/0xkol/rfc6056-device-tracker"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2022/dsa-5173"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-419740.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-794697.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-330"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: insufficient TCP source port randomness leads to client identification", "id": "2096901", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2096901"}, "csaw": false, "cvss3": {"cvss3_base_score": "0.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:N", "status": "draft"}, "cwe": "CWE-334->CWE-497", "details": ["The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 (\"Double-Hash Port Selection Algorithm\") of RFC 6056."], "name": "CVE-2022-32296", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Under investigation", "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": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2022-05-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-32296\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-32296"], "statement": "This flaw was found to be a duplicate of CVE-2022-1012. Please see https://access.redhat.com/security/cve/CVE-2022-1012 for information about affected products and security errata."}

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