{"cve":"CVE-2022-49169","nvd":{"published":"2025-02-26T07:00:54.017","modified":"2026-08-13T00:17:29.890","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: use spin_lock to avoid hang\n\n[14696.634553] task:cat             state:D stack:    0 pid:1613738 ppid:1613735 flags:0x00000004\n[14696.638285] Call Trace:\n[14696.639038]  <TASK>\n[14696.640032]  __schedule+0x302/0x930\n[14696.640969]  schedule+0x58/0xd0\n[14696.641799]  schedule_preempt_disabled+0x18/0x30\n[14696.642890]  __mutex_lock.constprop.0+0x2fb/0x4f0\n[14696.644035]  ? mod_objcg_state+0x10c/0x310\n[14696.645040]  ? obj_cgroup_charge+0xe1/0x170\n[14696.646067]  __mutex_lock_slowpath+0x13/0x20\n[14696.647126]  mutex_lock+0x34/0x40\n[14696.648070]  stat_show+0x25/0x17c0 [f2fs]\n[14696.649218]  seq_read_iter+0x120/0x4b0\n[14696.650289]  ? aa_file_perm+0x12a/0x500\n[14696.651357]  ? lru_cache_add+0x1c/0x20\n[14696.652470]  seq_read+0xfd/0x140\n[14696.653445]  full_proxy_read+0x5c/0x80\n[14696.654535]  vfs_read+0xa0/0x1a0\n[14696.655497]  ksys_read+0x67/0xe0\n[14696.656502]  __x64_sys_read+0x1a/0x20\n[14696.657580]  do_syscall_64+0x3b/0xc0\n[14696.658671]  entry_SYSCALL_64_after_hwframe+0x44/0xae\n[14696.660068] RIP: 0033:0x7efe39df1cb2\n[14696.661133] RSP: 002b:00007ffc8badd948 EFLAGS: 00000246 ORIG_RAX: 0000000000000000\n[14696.662958] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007efe39df1cb2\n[14696.664757] RDX: 0000000000020000 RSI: 00007efe399df000 RDI: 0000000000000003\n[14696.666542] RBP: 00007efe399df000 R08: 00007efe399de010 R09: 00007efe399de010\n[14696.668363] R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000000000\n[14696.670155] R13: 0000000000000003 R14: 0000000000020000 R15: 0000000000020000\n[14696.671965]  </TASK>\n[14696.672826] task:umount          state:D stack:    0 pid:1614985 ppid:1614984 flags:0x00004000\n[14696.674930] Call Trace:\n[14696.675903]  <TASK>\n[14696.676780]  __schedule+0x302/0x930\n[14696.677927]  schedule+0x58/0xd0\n[14696.679019]  schedule_preempt_disabled+0x18/0x30\n[14696.680412]  __mutex_lock.constprop.0+0x2fb/0x4f0\n[14696.681783]  ? destroy_inode+0x65/0x80\n[14696.683006]  __mutex_lock_slowpath+0x13/0x20\n[14696.684305]  mutex_lock+0x34/0x40\n[14696.685442]  f2fs_destroy_stats+0x1e/0x60 [f2fs]\n[14696.686803]  f2fs_put_super+0x158/0x390 [f2fs]\n[14696.688238]  generic_shutdown_super+0x7a/0x120\n[14696.689621]  kill_block_super+0x27/0x50\n[14696.690894]  kill_f2fs_super+0x7f/0x100 [f2fs]\n[14696.692311]  deactivate_locked_super+0x35/0xa0\n[14696.693698]  deactivate_super+0x40/0x50\n[14696.694985]  cleanup_mnt+0x139/0x190\n[14696.696209]  __cleanup_mnt+0x12/0x20\n[14696.697390]  task_work_run+0x64/0xa0\n[14696.698587]  exit_to_user_mode_prepare+0x1b7/0x1c0\n[14696.700053]  syscall_exit_to_user_mode+0x27/0x50\n[14696.701418]  do_syscall_64+0x48/0xc0\n[14696.702630]  entry_SYSCALL_64_after_hwframe+0x44/0xae","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/2eff60346e7ae1a24cd868b8fdcf58e946e7dde1","https://git.kernel.org/stable/c/738886004bd2885ac2db0bc63b4874aa471ca87e","https://git.kernel.org/stable/c/98237fcda4a24e67b0a4498c17d5aa4ad4537bc7","https://git.kernel.org/stable/c/ec4187d45cc1c2d69fffeee5fa6aa4cb62477cfb"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49169","score":0.00261,"percentile":0.17911,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}