{"id":"CVE-2022-49317","state":"PUBLISHED","title":"f2fs: avoid infinite loop to flush node pages","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: avoid infinite loop to flush node pages\n\nxfstests/generic/475 can give EIO all the time which give an infinite loop\nto flush node page like below. Let's avoid it.\n\n[16418.518551] Call Trace:\n[16418.518553]  ? dm_submit_bio+0x48/0x400\n[16418.518574]  ? submit_bio_checks+0x1ac/0x5a0\n[16418.525207]  __submit_bio+0x1a9/0x230\n[16418.525210]  ? kmem_cache_alloc+0x29e/0x3c0\n[16418.525223]  submit_bio_noacct+0xa8/0x2b0\n[16418.525226]  submit_bio+0x4d/0x130\n[16418.525238]  __submit_bio+0x49/0x310 [f2fs]\n[16418.525339]  ? bio_add_page+0x6a/0x90\n[16418.525344]  f2fs_submit_page_bio+0x134/0x1f0 [f2fs]\n[16418.525365]  read_node_page+0x125/0x1b0 [f2fs]\n[16418.525388]  __get_node_page.part.0+0x58/0x3f0 [f2fs]\n[16418.525409]  __get_node_page+0x2f/0x60 [f2fs]\n[16418.525431]  f2fs_get_dnode_of_data+0x423/0x860 [f2fs]\n[16418.525452]  ? asm_sysvec_apic_timer_interrupt+0x12/0x20\n[16418.525458]  ? __mod_memcg_state.part.0+0x2a/0x30\n[16418.525465]  ? __mod_memcg_lruvec_state+0x27/0x40\n[16418.525467]  ? __xa_set_mark+0x57/0x70\n[16418.525472]  f2fs_do_write_data_page+0x10e/0x7b0 [f2fs]\n[16418.525493]  f2fs_write_single_data_page+0x555/0x830 [f2fs]\n[16418.525514]  ? sysvec_apic_timer_interrupt+0x4e/0x90\n[16418.525518]  ? asm_sysvec_apic_timer_interrupt+0x12/0x20\n[16418.525523]  f2fs_write_cache_pages+0x303/0x880 [f2fs]\n[16418.525545]  ? blk_flush_plug_list+0x47/0x100\n[16418.525548]  f2fs_write_data_pages+0xfd/0x320 [f2fs]\n[16418.525569]  do_writepages+0xd5/0x210\n[16418.525648]  filemap_fdatawrite_wbc+0x7d/0xc0\n[16418.525655]  filemap_fdatawrite+0x50/0x70\n[16418.525658]  f2fs_sync_dirty_inodes+0xa4/0x230 [f2fs]\n[16418.525679]  f2fs_write_checkpoint+0x16d/0x1720 [f2fs]\n[16418.525699]  ? ttwu_do_wakeup+0x1c/0x160\n[16418.525709]  ? ttwu_do_activate+0x6d/0xd0\n[16418.525711]  ? __wait_for_common+0x11d/0x150\n[16418.525715]  kill_f2fs_super+0xca/0x100 [f2fs]\n[16418.525733]  deactivate_locked_super+0x3b/0xb0\n[16418.525739]  deactivate_super+0x40/0x50\n[16418.525741]  cleanup_mnt+0x139/0x190\n[16418.525747]  __cleanup_mnt+0x12/0x20\n[16418.525749]  task_work_run+0x6d/0xa0\n[16418.525765]  exit_to_user_mode_prepare+0x1ad/0x1b0\n[16418.525771]  syscall_exit_to_user_mode+0x27/0x50\n[16418.525774]  do_syscall_64+0x48/0xc0\n[16418.525776]  entry_SYSCALL_64_after_hwframe+0x44/0xae","publishedAt":"2025-02-26T02:10:44.055Z","updatedAt":"2026-08-15T12:22:34.443Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"127e670abfa7fa150f6550d620ded930f5bdb4e7","status":"affected","lessThan":"bd47ea5d776d8b524fb6f60de3240f95603901dd","versionType":"git"},{"version":"127e670abfa7fa150f6550d620ded930f5bdb4e7","status":"affected","lessThan":"a7b8618aa2f0f926ce85f2486ac835a85c753ca7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/checkpoint.c","fs/f2fs/f2fs.h","fs/f2fs/node.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.8","versionType":"semver"},{"version":"5.18.4","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/checkpoint.c","fs/f2fs/f2fs.h","fs/f2fs/node.c"]}],"references":["https://git.kernel.org/stable/c/bd47ea5d776d8b524fb6f60de3240f95603901dd","https://git.kernel.org/stable/c/a7b8618aa2f0f926ce85f2486ac835a85c753ca7"],"weaknesses":["CWE-835"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49317.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49317","state":"PUBLISHED","datePublished":"2025-02-26T02:10:44.055Z","dateUpdated":"2026-08-15T12:22:34.443Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.537Z"},"containers":{"cna":{"title":"f2fs: avoid infinite loop to flush node pages","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: avoid infinite loop to flush node pages\n\nxfstests/generic/475 can give EIO all the time which give an infinite loop\nto flush node page like below. Let's avoid it.\n\n[16418.518551] Call Trace:\n[16418.518553]  ? dm_submit_bio+0x48/0x400\n[16418.518574]  ? submit_bio_checks+0x1ac/0x5a0\n[16418.525207]  __submit_bio+0x1a9/0x230\n[16418.525210]  ? kmem_cache_alloc+0x29e/0x3c0\n[16418.525223]  submit_bio_noacct+0xa8/0x2b0\n[16418.525226]  submit_bio+0x4d/0x130\n[16418.525238]  __submit_bio+0x49/0x310 [f2fs]\n[16418.525339]  ? bio_add_page+0x6a/0x90\n[16418.525344]  f2fs_submit_page_bio+0x134/0x1f0 [f2fs]\n[16418.525365]  read_node_page+0x125/0x1b0 [f2fs]\n[16418.525388]  __get_node_page.part.0+0x58/0x3f0 [f2fs]\n[16418.525409]  __get_node_page+0x2f/0x60 [f2fs]\n[16418.525431]  f2fs_get_dnode_of_data+0x423/0x860 [f2fs]\n[16418.525452]  ? asm_sysvec_apic_timer_interrupt+0x12/0x20\n[16418.525458]  ? __mod_memcg_state.part.0+0x2a/0x30\n[16418.525465]  ? __mod_memcg_lruvec_state+0x27/0x40\n[16418.525467]  ? __xa_set_mark+0x57/0x70\n[16418.525472]  f2fs_do_write_data_page+0x10e/0x7b0 [f2fs]\n[16418.525493]  f2fs_write_single_data_page+0x555/0x830 [f2fs]\n[16418.525514]  ? sysvec_apic_timer_interrupt+0x4e/0x90\n[16418.525518]  ? asm_sysvec_apic_timer_interrupt+0x12/0x20\n[16418.525523]  f2fs_write_cache_pages+0x303/0x880 [f2fs]\n[16418.525545]  ? blk_flush_plug_list+0x47/0x100\n[16418.525548]  f2fs_write_data_pages+0xfd/0x320 [f2fs]\n[16418.525569]  do_writepages+0xd5/0x210\n[16418.525648]  filemap_fdatawrite_wbc+0x7d/0xc0\n[16418.525655]  filemap_fdatawrite+0x50/0x70\n[16418.525658]  f2fs_sync_dirty_inodes+0xa4/0x230 [f2fs]\n[16418.525679]  f2fs_write_checkpoint+0x16d/0x1720 [f2fs]\n[16418.525699]  ? ttwu_do_wakeup+0x1c/0x160\n[16418.525709]  ? ttwu_do_activate+0x6d/0xd0\n[16418.525711]  ? __wait_for_common+0x11d/0x150\n[16418.525715]  kill_f2fs_super+0xca/0x100 [f2fs]\n[16418.525733]  deactivate_locked_super+0x3b/0xb0\n[16418.525739]  deactivate_super+0x40/0x50\n[16418.525741]  cleanup_mnt+0x139/0x190\n[16418.525747]  __cleanup_mnt+0x12/0x20\n[16418.525749]  task_work_run+0x6d/0xa0\n[16418.525765]  exit_to_user_mode_prepare+0x1ad/0x1b0\n[16418.525771]  syscall_exit_to_user_mode+0x27/0x50\n[16418.525774]  do_syscall_64+0x48/0xc0\n[16418.525776]  entry_SYSCALL_64_after_hwframe+0x44/0xae"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"127e670abfa7fa150f6550d620ded930f5bdb4e7","status":"affected","lessThan":"bd47ea5d776d8b524fb6f60de3240f95603901dd","versionType":"git"},{"version":"127e670abfa7fa150f6550d620ded930f5bdb4e7","status":"affected","lessThan":"a7b8618aa2f0f926ce85f2486ac835a85c753ca7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/checkpoint.c","fs/f2fs/f2fs.h","fs/f2fs/node.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.8","versionType":"semver"},{"version":"5.18.4","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/checkpoint.c","fs/f2fs/f2fs.h","fs/f2fs/node.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/bd47ea5d776d8b524fb6f60de3240f95603901dd"},{"url":"https://git.kernel.org/stable/c/a7b8618aa2f0f926ce85f2486ac835a85c753ca7"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-15T12:22:34.443Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"5.18.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49317","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:43:54.982504Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-835","lang":"en","type":"CWE","description":"CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:46:57.119Z"}}]}}}