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{"acknowledgement": "Red Hat would like to thank Jia-Ju Bai (School of Cyber Science and Technology of Beihang University) and Zi-Xuan Fu (School of Cyber Science and Technology of Beihang University) for reporting this issue.", "bugzilla": {"description": "kernel: Use after free in prepare_to_relocate in fs/btrfs/relocation.c", "id": "2212513", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2212513"}, "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": ["A use after free vulnerability was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag().", "A use-after-free flaw was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This issue can be triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag()."], "name": "CVE-2023-3111", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "2022-07-21T06:30:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-3111\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-3111\nhttps://patchwork.kernel.org/project/linux-btrfs/patch/20220721074829.2905233-1-r33s3n6@gmail.com/"], "statement": "No shipped kernel version was seen affected with this problem. These files are not built in our source code.", "threat_severity": "Low", "upstream_fix": "Kernel 6.0-rc2"}