{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"MEDIUM" }, "category":"csaf_vex", "csaf_version":"2.0", "distribution":{ "tlp":{ "label":"WHITE", "url":"https:/www.first.org/tlp/" } }, "lang":"en", "notes":[ { "text":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to truncate preallocated blocks in f2fs_file_open()\n\nchenyuwen reports a f2fs bug as below:\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000011\n fscrypt_set_bio_crypt_ctx+0x78/0x1e8\n f2fs_grab_read_bio+0x78/0x208\n f2fs_submit_page_read+0x44/0x154\n f2fs_get_read_data_page+0x288/0x5f4\n f2fs_get_lock_data_page+0x60/0x190\n truncate_partial_data_page+0x108/0x4fc\n f2fs_do_truncate_blocks+0x344/0x5f0\n f2fs_truncate_blocks+0x6c/0x134\n f2fs_truncate+0xd8/0x200\n f2fs_iget+0x20c/0x5ac\n do_garbage_collect+0x5d0/0xf6c\n f2fs_gc+0x22c/0x6a4\n f2fs_disable_checkpoint+0xc8/0x310\n f2fs_fill_super+0x14bc/0x1764\n mount_bdev+0x1b4/0x21c\n f2fs_mount+0x20/0x30\n legacy_get_tree+0x50/0xbc\n vfs_get_tree+0x5c/0x1b0\n do_new_mount+0x298/0x4cc\n path_mount+0x33c/0x5fc\n __arm64_sys_mount+0xcc/0x15c\n invoke_syscall+0x60/0x150\n el0_svc_common+0xb8/0xf8\n do_el0_svc+0x28/0xa0\n el0_svc+0x24/0x84\n el0t_64_sync_handler+0x88/0xec\n\nIt is because inode.i_crypt_info is not initialized during below path:\n- mount\n - f2fs_fill_super\n - f2fs_disable_checkpoint\n - f2fs_gc\n - f2fs_iget\n - f2fs_truncate\n\nSo, let's relocate truncation of preallocated blocks to f2fs_file_open(),\nafter fscrypt_file_open().", "category":"general", "title":"Synopsis" } ], "publisher":{ "issuing_authority":"openEuler security committee", "name":"openEuler", "namespace":"https://www.openeuler.org", "contact_details":"openeuler-security@openeuler.org", "category":"vendor" }, "references":[ { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2024-43859" }, { "summary":"CVE-2024-43859 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2024/csaf-openeuler-cve-2024-43859.json" }, { "summary":"openEuler-SA-2024-2124", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2124" }, { "summary":"CVE-2024-43859", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2024-43859&packageName=kernel" } ], "title":"openEuler cve CVE-2024-43859", "tracking":{ "initial_release_date":"2024-09-14T20:21:42+08:00", "revision_history":[ { "date":"2024-09-14T20:21:42+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2024-09-14T20:21:42+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2024-09-14T20:21:42+08:00", "id":"CVE-2024-43859", "version":"1.0.0", "status":"interim" } }, "product_tree":{ "branches":[ { "name":"openEuler", "category":"vendor", "branches":[ { "name":"openEuler", 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truncate preallocated blocks in f2fs_file_open()\n\nchenyuwen reports a f2fs bug as below:\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000011\n fscrypt_set_bio_crypt_ctx+0x78/0x1e8\n f2fs_grab_read_bio+0x78/0x208\n f2fs_submit_page_read+0x44/0x154\n f2fs_get_read_data_page+0x288/0x5f4\n f2fs_get_lock_data_page+0x60/0x190\n truncate_partial_data_page+0x108/0x4fc\n f2fs_do_truncate_blocks+0x344/0x5f0\n f2fs_truncate_blocks+0x6c/0x134\n f2fs_truncate+0xd8/0x200\n f2fs_iget+0x20c/0x5ac\n do_garbage_collect+0x5d0/0xf6c\n f2fs_gc+0x22c/0x6a4\n f2fs_disable_checkpoint+0xc8/0x310\n f2fs_fill_super+0x14bc/0x1764\n mount_bdev+0x1b4/0x21c\n f2fs_mount+0x20/0x30\n legacy_get_tree+0x50/0xbc\n vfs_get_tree+0x5c/0x1b0\n do_new_mount+0x298/0x4cc\n path_mount+0x33c/0x5fc\n __arm64_sys_mount+0xcc/0x15c\n invoke_syscall+0x60/0x150\n el0_svc_common+0xb8/0xf8\n do_el0_svc+0x28/0xa0\n el0_svc+0x24/0x84\n el0t_64_sync_handler+0x88/0xec\n\nIt is because inode.i_crypt_info is not initialized during below path:\n- mount\n - f2fs_fill_super\n - f2fs_disable_checkpoint\n - f2fs_gc\n - f2fs_iget\n - f2fs_truncate\n\nSo, let's relocate truncation of preallocated blocks to f2fs_file_open(),\nafter fscrypt_file_open().", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-24.03-LTS:bpftool-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:bpftool-debuginfo-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-debuginfo-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-debugsource-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-devel-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-headers-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-source-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-tools-6.6.0-41.0.0.48.oe2403.aarch64", 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"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version":"3.1" }, "products":[ "openEuler-24.03-LTS:bpftool-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:bpftool-debuginfo-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-debuginfo-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-debugsource-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-devel-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-headers-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-source-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-tools-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-tools-debuginfo-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:kernel-tools-devel-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:perf-6.6.0-41.0.0.48.oe2403.aarch64", "openEuler-24.03-LTS:perf-debuginfo-6.6.0-41.0.0.48.oe2403.aarch64", 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"openEuler-24.03-LTS:perf-debuginfo-6.6.0-41.0.0.48.oe2403.x86_64", "openEuler-24.03-LTS:python3-perf-6.6.0-41.0.0.48.oe2403.x86_64", "openEuler-24.03-LTS:python3-perf-debuginfo-6.6.0-41.0.0.48.oe2403.x86_64", "openEuler-24.03-LTS:kernel-6.6.0-41.0.0.48.oe2403.src" ] } ], "threats":[ { "details":"Medium", "category":"impact" } ], "title":"CVE-2024-43859" } ] }