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{"acknowledgement": "Red Hat would like to thank Alec Petridis (alecthechop@gmail.com), Hrvoje Mi\u0161eti\u0107 (misetichrvoje@gmail.com), Isaac Badipe (isaac.badipe@gmail.com), Jamie Hill-Daniel (jamie@hill-daniel.co.uk), Philip Papurt (g@gnk.io), and William Liu (willsroot@protonmail.com) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2022:0176", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-348.12.2.rt7.143.el8_5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-01-19T00:00:00Z"}, {"advisory": "RHSA-2022:0188", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-348.12.2.el8_5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-01-19T00:00:00Z"}, {"advisory": "RHSA-2022:0232", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-01-24T00:00:00Z"}, {"advisory": "RHSA-2022:0187", "cpe": "cpe:/a:redhat:rhel_eus:8.4::nfv", "package": "kernel-rt-0:4.18.0-305.34.2.rt7.107.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-01-19T00:00:00Z"}, {"advisory": "RHSA-2022:0186", "cpe": "cpe:/o:redhat:rhel_eus:8.4", "package": "kernel-0:4.18.0-305.34.2.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-01-19T00:00:00Z"}, {"advisory": "RHSA-2022:0231", "cpe": "cpe:/o:redhat:rhel_eus:8.4", "package": "kpatch-patch", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2022-01-24T00:00:00Z"}, {"advisory": "RHSA-2022:0540", "cpe": "cpe:/o:redhat:rhev_hypervisor:4.4::el8", "package": "redhat-virtualization-host-0:4.4.10-202202081536_8.5", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8", "release_date": "2022-02-15T00:00:00Z"}], "bugzilla": {"description": "kernel: fs_context: heap overflow in legacy parameter handling", "id": "2040358", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2040358"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-191", "details": ["A heap-based buffer overflow flaw was found in the way the legacy_parse_param function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. 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Previous Red Hat Enterprise Linux versions are not affected.", "threat_severity": "Important"}