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{"bugzilla": {"description": "kernel: comedi: Flush partial mappings in error case", "id": "2333970", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2333970"}, "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": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncomedi: Flush partial mappings in error case\nIf some remap_pfn_range() calls succeeded before one failed, we still have\nbuffer pages mapped into the userspace page tables when we drop the buffer\nreference with comedi_buf_map_put(bm). The userspace mappings are only\ncleaned up later in the mmap error path.\nFix it by explicitly flushing all mappings in our VMA on the error path.\nSee commit 79a61cc3fc04 (\"mm: avoid leaving partial pfn mappings around in\nerror case\")."], "name": "CVE-2024-53148", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-12-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-53148\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-53148\nhttps://lore.kernel.org/linux-cve-announce/2024122426-CVE-2024-53148-2c24@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-13T11:22:32.594436+00:00", "updated": "2025-07-13T11:22:32.594490+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}