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{"bugzilla": {"description": "kernel: f2fs: compress: fix to avoid use-after-free on dic", "id": "2282747", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282747"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nf2fs: compress: fix to avoid use-after-free on dic\nCall trace:\n__memcpy+0x128/0x250\nf2fs_read_multi_pages+0x940/0xf7c\nf2fs_mpage_readpages+0x5a8/0x624\nf2fs_readahead+0x5c/0x110\npage_cache_ra_unbounded+0x1b8/0x590\ndo_sync_mmap_readahead+0x1dc/0x2e4\nfilemap_fault+0x254/0xa8c\nf2fs_filemap_fault+0x2c/0x104\n__do_fault+0x7c/0x238\ndo_handle_mm_fault+0x11bc/0x2d14\ndo_mem_abort+0x3a8/0x1004\nel0_da+0x3c/0xa0\nel0t_64_sync_handler+0xc4/0xec\nel0t_64_sync+0x1b4/0x1b8\nIn f2fs_read_multi_pages(), once f2fs_decompress_cluster() was called if\nwe hit cached page in compress_inode's cache, dic may be released, it needs\nbreak the loop rather than continuing it, in order to avoid accessing\ninvalid dic pointer."], "name": "CVE-2023-52852", "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": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52852\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52852\nhttps://lore.kernel.org/linux-cve-announce/2024052114-CVE-2023-52852-e55a@gregkh/T"], "threat_severity": "Moderate"}

{}