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{"acknowledgement": "Red Hat would like to thank Jann Horn (Google Project Zero) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2023:6583", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-362.8.1.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}, {"advisory": "RHSA-2023:6583", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-362.8.1.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}], "bugzilla": {"description": "kernel: missing mmap_lock in file_files_note that could possibly lead to a use after free in the coredump code", "id": "2169719", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2169719"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["A use-after-free flaw was found in the Linux kernel\u2019s core dump subsystem. This flaw allows a local user to crash the system. Only if patch 390031c94211 (\"coredump: Use the vma snapshot in fill_files_note\") not applied yet, then kernel could be affected.", "A use-after-free flaw was found in the Linux kernel\u2019s core dump subsystem. This flaw allows a local user to crash the system. Only if patch 390031c94211 (\"coredump: Use the vma snapshot in fill_files_note\") not applied yet, then kernel could be affected."], "name": "CVE-2023-1249", "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:8", "fix_state": "Not affected", "package_name": "kernel", "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": "2022-01-31T10:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-1249\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-1249\nhttps://patchwork.kernel.org/project/linux-fsdevel/patch/[email protected]/"], "statement": "This flaw is challenging to execute, as the attacker must race the vulnerable code twice. Therefore it is considered Low severity.", "threat_severity": "Low"}