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{"bugzilla": {"description": "kernel: use-after-free in fs/ext4/extents_status.c", "id": "2245711", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2245711"}, "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": "draft"}, "cwe": "CWE-416", "details": ["The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent.", "A use-after-free flaw was found in the EXT4 file system, related to ext4_es_insert_extent, in the Linux Kernel. This issue may allow an attacker to create a crafted EXT4 file system which will trigger the vulnerability and lead the kernel to PANIC, causing a denial of service on the targeted system."], "name": "CVE-2023-45898", "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": "2023-10-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-45898\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-45898"], "statement": "The Red Hat Enterprise Linux (all versions) not affected, because previous commit 2a69c45 not applied yet (that is \"ext4: using nofail preallocation in ext4_es_insert_extent()\").", "threat_severity": "Important"}