{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"HIGH" }, "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\next4: fix race condition between ext4_write and ext4_convert_inline_data\n\nHulk Robot reported a BUG_ON:\n ==================================================================\n EXT4-fs error (device loop3): ext4_mb_generate_buddy:805: group 0,\n block bitmap and bg descriptor inconsistent: 25 vs 31513 free clusters\n kernel BUG at fs/ext4/ext4_jbd2.c:53!\n invalid opcode: 0000 [#1] SMP KASAN PTI\n CPU: 0 PID: 25371 Comm: syz-executor.3 Not tainted 5.10.0+ #1\n RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline]\n RIP: 0010:__ext4_journal_stop+0x10e/0x110 fs/ext4/ext4_jbd2.c:116\n [...]\n Call Trace:\n ext4_write_inline_data_end+0x59a/0x730 fs/ext4/inline.c:795\n generic_perform_write+0x279/0x3c0 mm/filemap.c:3344\n ext4_buffered_write_iter+0x2e3/0x3d0 fs/ext4/file.c:270\n ext4_file_write_iter+0x30a/0x11c0 fs/ext4/file.c:520\n do_iter_readv_writev+0x339/0x3c0 fs/read_write.c:732\n do_iter_write+0x107/0x430 fs/read_write.c:861\n vfs_writev fs/read_write.c:934 [inline]\n do_pwritev+0x1e5/0x380 fs/read_write.c:1031\n [...]\n ==================================================================\n\nAbove issue may happen as follows:\n cpu1 cpu2\n__________________________|__________________________\ndo_pwritev\n vfs_writev\n do_iter_write\n ext4_file_write_iter\n ext4_buffered_write_iter\n generic_perform_write\n ext4_da_write_begin\n vfs_fallocate\n ext4_fallocate\n ext4_convert_inline_data\n ext4_convert_inline_data_nolock\n ext4_destroy_inline_data_nolock\n clear EXT4_STATE_MAY_INLINE_DATA\n ext4_map_blocks\n ext4_ext_map_blocks\n ext4_mb_new_blocks\n ext4_mb_regular_allocator\n ext4_mb_good_group_nolock\n ext4_mb_init_group\n ext4_mb_init_cache\n ext4_mb_generate_buddy --> error\n ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)\n ext4_restore_inline_data\n set EXT4_STATE_MAY_INLINE_DATA\n ext4_block_write_begin\n ext4_da_write_end\n ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)\n ext4_write_inline_data_end\n handle=NULL\n ext4_journal_stop(handle)\n __ext4_journal_stop\n ext4_put_nojournal(handle)\n ref_cnt = (unsigned long)handle\n BUG_ON(ref_cnt == 0) ---> BUG_ON\n\nThe lock held by ext4_convert_inline_data is xattr_sem, but the lock\nheld by generic_perform_write is i_rwsem. Therefore, the two locks can\nbe concurrent.\n\nTo solve above issue, we add inode_lock() for ext4_convert_inline_data().\nAt the same time, move ext4_convert_inline_data() in front of\next4_punch_hole(), remove similar handling from ext4_punch_hole().", "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-2022-49414" }, { "summary":"CVE-2022-49414 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2022/csaf-openeuler-cve-2022-49414.json" }, { "summary":"openEuler-SA-2025-1317", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1317" }, { "summary":"CVE-2022-49414", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2022-49414&packageName=kernel" } ], "title":"openEuler cve CVE-2022-49414", "tracking":{ "initial_release_date":"2025-03-21T21:19:32+08:00", "revision_history":[ { "date":"2025-03-21T21:19:32+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2025-03-21T21:19:32+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2025-03-21T21:19:32+08:00", "id":"CVE-2022-49414", "version":"1.0.0", "status":"interim" } }, "product_tree":{ "branches":[ { "name":"openEuler", "category":"vendor", "branches":[ { "name":"openEuler", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, "product_id":"openEuler-20.03-LTS-SP4", "name":"openEuler-20.03-LTS-SP4" }, "name":"openEuler-20.03-LTS-SP4", "category":"product_version" } ], "category":"product_name" }, { "name":"aarch64", "branches":[ { "product":{ 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fs/ext4/ext4_jbd2.c:53!\n invalid opcode: 0000 [#1] SMP KASAN PTI\n CPU: 0 PID: 25371 Comm: syz-executor.3 Not tainted 5.10.0+ #1\n RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline]\n RIP: 0010:__ext4_journal_stop+0x10e/0x110 fs/ext4/ext4_jbd2.c:116\n [...]\n Call Trace:\n ext4_write_inline_data_end+0x59a/0x730 fs/ext4/inline.c:795\n generic_perform_write+0x279/0x3c0 mm/filemap.c:3344\n ext4_buffered_write_iter+0x2e3/0x3d0 fs/ext4/file.c:270\n ext4_file_write_iter+0x30a/0x11c0 fs/ext4/file.c:520\n do_iter_readv_writev+0x339/0x3c0 fs/read_write.c:732\n do_iter_write+0x107/0x430 fs/read_write.c:861\n vfs_writev fs/read_write.c:934 [inline]\n do_pwritev+0x1e5/0x380 fs/read_write.c:1031\n [...]\n ==================================================================\n\nAbove issue may happen as follows:\n cpu1 cpu2\n__________________________|__________________________\ndo_pwritev\n vfs_writev\n do_iter_write\n ext4_file_write_iter\n ext4_buffered_write_iter\n generic_perform_write\n ext4_da_write_begin\n vfs_fallocate\n ext4_fallocate\n ext4_convert_inline_data\n ext4_convert_inline_data_nolock\n ext4_destroy_inline_data_nolock\n clear EXT4_STATE_MAY_INLINE_DATA\n ext4_map_blocks\n ext4_ext_map_blocks\n ext4_mb_new_blocks\n ext4_mb_regular_allocator\n ext4_mb_good_group_nolock\n ext4_mb_init_group\n ext4_mb_init_cache\n ext4_mb_generate_buddy --> error\n ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)\n ext4_restore_inline_data\n set EXT4_STATE_MAY_INLINE_DATA\n ext4_block_write_begin\n ext4_da_write_end\n ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)\n ext4_write_inline_data_end\n handle=NULL\n ext4_journal_stop(handle)\n __ext4_journal_stop\n ext4_put_nojournal(handle)\n ref_cnt = (unsigned long)handle\n BUG_ON(ref_cnt == 0) ---> BUG_ON\n\nThe lock held by ext4_convert_inline_data is xattr_sem, but the lock\nheld by generic_perform_write is i_rwsem. Therefore, the two locks can\nbe concurrent.\n\nTo solve above issue, we add inode_lock() for ext4_convert_inline_data().\nAt the same time, move ext4_convert_inline_data() in front of\next4_punch_hole(), remove similar handling from ext4_punch_hole().", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-20.03-LTS-SP4:bpftool-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:bpftool-debuginfo-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debuginfo-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debugsource-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-devel-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-source-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-tools-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", 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"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1317" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"MEDIUM", "baseScore":5.5, "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-20.03-LTS-SP4:bpftool-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:bpftool-debuginfo-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debuginfo-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debugsource-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-devel-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-source-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-tools-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-tools-debuginfo-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", 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"details":"Medium", "category":"impact" } ], "title":"CVE-2022-49414" } ] }