{"id":"CVE-2022-48877","summary":"f2fs: let's avoid panic if extent_tree is not created","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: let's avoid panic if extent_tree is not created\n\nThis patch avoids the below panic.\n\npc : __lookup_extent_tree+0xd8/0x760\nlr : f2fs_do_write_data_page+0x104/0x87c\nsp : ffffffc010cbb3c0\nx29: ffffffc010cbb3e0 x28: 0000000000000000\nx27: ffffff8803e7f020 x26: ffffff8803e7ed40\nx25: ffffff8803e7f020 x24: ffffffc010cbb460\nx23: ffffffc010cbb480 x22: 0000000000000000\nx21: 0000000000000000 x20: ffffffff22e90900\nx19: 0000000000000000 x18: ffffffc010c5d080\nx17: 0000000000000000 x16: 0000000000000020\nx15: ffffffdb1acdbb88 x14: ffffff888759e2b0\nx13: 0000000000000000 x12: ffffff802da49000\nx11: 000000000a001200 x10: ffffff8803e7ed40\nx9 : ffffff8023195800 x8 : ffffff802da49078\nx7 : 0000000000000001 x6 : 0000000000000000\nx5 : 0000000000000006 x4 : ffffffc010cbba28\nx3 : 0000000000000000 x2 : ffffffc010cbb480\nx1 : 0000000000000000 x0 : ffffff8803e7ed40\nCall trace:\n __lookup_extent_tree+0xd8/0x760\n f2fs_do_write_data_page+0x104/0x87c\n f2fs_write_single_data_page+0x420/0xb60\n f2fs_write_cache_pages+0x418/0xb1c\n __f2fs_write_data_pages+0x428/0x58c\n f2fs_write_data_pages+0x30/0x40\n do_writepages+0x88/0x190\n __writeback_single_inode+0x48/0x448\n writeback_sb_inodes+0x468/0x9e8\n __writeback_inodes_wb+0xb8/0x2a4\n wb_writeback+0x33c/0x740\n wb_do_writeback+0x2b4/0x400\n wb_workfn+0xe4/0x34c\n process_one_work+0x24c/0x5bc\n worker_thread+0x3e8/0xa50\n kthread+0x150/0x1b4","modified":"2026-04-02T08:27:06.376277Z","published":"2024-08-21T06:10:08.371Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48877.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1c38cdc747f00daf7394535eae5afc4c503c59bb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2c129e868992621a739bdd57a5bffa3985ef1b91"},{"type":"WEB","url":"https://git.kernel.org/stable/c/557e85ff9afef6d45020b6f09357111d38033c31"},{"type":"WEB","url":"https://git.kernel.org/stable/c/72009139a661ade5cb1da4239734ed02fa1cfff0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dd83a9763e29ed7a21c8a43f7a62cd0a6bf74692"},{"type":"WEB","url":"https://git.kernel.org/stable/c/df9d44b645b83fffccfb4e28c1f93376585fdec8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ff85a1dbd90d29f73033177ff8d8de4a27d9721c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48877.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-48877"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"98e4da8ca301e062d79ae168c67e56f3c3de3ce4"},{"fixed":"dd83a9763e29ed7a21c8a43f7a62cd0a6bf74692"},{"fixed":"ff85a1dbd90d29f73033177ff8d8de4a27d9721c"},{"fixed":"557e85ff9afef6d45020b6f09357111d38033c31"},{"fixed":"72009139a661ade5cb1da4239734ed02fa1cfff0"},{"fixed":"2c129e868992621a739bdd57a5bffa3985ef1b91"},{"fixed":"1c38cdc747f00daf7394535eae5afc4c503c59bb"},{"fixed":"df9d44b645b83fffccfb4e28c1f93376585fdec8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48877.json"}}],"schema_version":"1.7.5"}