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CVE-2022-49169 (GCVE-0-2022-49169)

Vulnerability from cvelistv5 – Published: 2025-02-26 01:55 – Updated: 2026-08-12 23:58
VLAI
Title
f2fs: use spin_lock to avoid hang
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: use spin_lock to avoid hang [14696.634553] task:cat state:D stack: 0 pid:1613738 ppid:1613735 flags:0x00000004 [14696.638285] Call Trace: [14696.639038] <TASK> [14696.640032] __schedule+0x302/0x930 [14696.640969] schedule+0x58/0xd0 [14696.641799] schedule_preempt_disabled+0x18/0x30 [14696.642890] __mutex_lock.constprop.0+0x2fb/0x4f0 [14696.644035] ? mod_objcg_state+0x10c/0x310 [14696.645040] ? obj_cgroup_charge+0xe1/0x170 [14696.646067] __mutex_lock_slowpath+0x13/0x20 [14696.647126] mutex_lock+0x34/0x40 [14696.648070] stat_show+0x25/0x17c0 [f2fs] [14696.649218] seq_read_iter+0x120/0x4b0 [14696.650289] ? aa_file_perm+0x12a/0x500 [14696.651357] ? lru_cache_add+0x1c/0x20 [14696.652470] seq_read+0xfd/0x140 [14696.653445] full_proxy_read+0x5c/0x80 [14696.654535] vfs_read+0xa0/0x1a0 [14696.655497] ksys_read+0x67/0xe0 [14696.656502] __x64_sys_read+0x1a/0x20 [14696.657580] do_syscall_64+0x3b/0xc0 [14696.658671] entry_SYSCALL_64_after_hwframe+0x44/0xae [14696.660068] RIP: 0033:0x7efe39df1cb2 [14696.661133] RSP: 002b:00007ffc8badd948 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [14696.662958] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007efe39df1cb2 [14696.664757] RDX: 0000000000020000 RSI: 00007efe399df000 RDI: 0000000000000003 [14696.666542] RBP: 00007efe399df000 R08: 00007efe399de010 R09: 00007efe399de010 [14696.668363] R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000000000 [14696.670155] R13: 0000000000000003 R14: 0000000000020000 R15: 0000000000020000 [14696.671965] </TASK> [14696.672826] task:umount state:D stack: 0 pid:1614985 ppid:1614984 flags:0x00004000 [14696.674930] Call Trace: [14696.675903] <TASK> [14696.676780] __schedule+0x302/0x930 [14696.677927] schedule+0x58/0xd0 [14696.679019] schedule_preempt_disabled+0x18/0x30 [14696.680412] __mutex_lock.constprop.0+0x2fb/0x4f0 [14696.681783] ? destroy_inode+0x65/0x80 [14696.683006] __mutex_lock_slowpath+0x13/0x20 [14696.684305] mutex_lock+0x34/0x40 [14696.685442] f2fs_destroy_stats+0x1e/0x60 [f2fs] [14696.686803] f2fs_put_super+0x158/0x390 [f2fs] [14696.688238] generic_shutdown_super+0x7a/0x120 [14696.689621] kill_block_super+0x27/0x50 [14696.690894] kill_f2fs_super+0x7f/0x100 [f2fs] [14696.692311] deactivate_locked_super+0x35/0xa0 [14696.693698] deactivate_super+0x40/0x50 [14696.694985] cleanup_mnt+0x139/0x190 [14696.696209] __cleanup_mnt+0x12/0x20 [14696.697390] task_work_run+0x64/0xa0 [14696.698587] exit_to_user_mode_prepare+0x1b7/0x1c0 [14696.700053] syscall_exit_to_user_mode+0x27/0x50 [14696.701418] do_syscall_64+0x48/0xc0 [14696.702630] entry_SYSCALL_64_after_hwframe+0x44/0xae
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 66af62ce7588736ae65edfdb1c0df597775c4d21 , < 2eff60346e7ae1a24cd868b8fdcf58e946e7dde1 (git)
Affected: 66af62ce7588736ae65edfdb1c0df597775c4d21 , < 738886004bd2885ac2db0bc63b4874aa471ca87e (git)
Affected: 66af62ce7588736ae65edfdb1c0df597775c4d21 , < ec4187d45cc1c2d69fffeee5fa6aa4cb62477cfb (git)
Affected: 66af62ce7588736ae65edfdb1c0df597775c4d21 , < 98237fcda4a24e67b0a4498c17d5aa4ad4537bc7 (git)
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Linux Linux Affected: 3.8
Unaffected: 0 , < 3.8 (semver)
Unaffected: 5.15.33 , ≤ 5.15.* (semver)
Unaffected: 5.16.19 , ≤ 5.16.* (semver)
Unaffected: 5.17.2 , ≤ 5.17.* (semver)
Unaffected: 5.18 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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{
  "containers": {
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          "lang": "en",
          "value": "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]  \u003cTASK\u003e\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]  \u003c/TASK\u003e\n[14696.672826] task:umount          state:D stack:    0 pid:1614985 ppid:1614984 flags:0x00004000\n[14696.674930] Call Trace:\n[14696.675903]  \u003cTASK\u003e\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"
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      "providerMetadata": {
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/2eff60346e7ae1a24cd868b8fdcf58e946e7dde1"
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          "url": "https://git.kernel.org/stable/c/738886004bd2885ac2db0bc63b4874aa471ca87e"
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          "url": "https://git.kernel.org/stable/c/ec4187d45cc1c2d69fffeee5fa6aa4cb62477cfb"
        },
        {
          "url": "https://git.kernel.org/stable/c/98237fcda4a24e67b0a4498c17d5aa4ad4537bc7"
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      ],
      "title": "f2fs: use spin_lock to avoid hang",
      "x_generator": {
        "engine": "bippy-1.2.0"
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49169",
    "datePublished": "2025-02-26T01:55:27.044Z",
    "dateReserved": "2025-02-26T01:49:39.279Z",
    "dateUpdated": "2026-08-12T23:58:09.122Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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  "vulnerability-lookup:meta": {
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      "date": "2026-09-20",
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      "percentile": "0.17558"
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    "nvd": {
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                "programFiles": [
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            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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        "configurations": [
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        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "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]  \u003cTASK\u003e\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]  \u003c/TASK\u003e\n[14696.672826] task:umount          state:D stack:    0 pid:1614985 ppid:1614984 flags:0x00004000\n[14696.674930] Call Trace:\n[14696.675903]  \u003cTASK\u003e\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"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: usar spin_lock para evitar que se cuelgue [14696.634553] task:cat state:D stack: 0 pid:1613738 ppid:1613735 flags:0x00000004 [14696.638285] Seguimiento de llamadas: [14696.639038]  [14696.640032] __schedule+0x302/0x930 [14696.640969] schedule+0x58/0xd0 [14696.641799] schedule_preempt_disabled+0x18/0x30 [14696.642890] __mutex_lock.constprop.0+0x2fb/0x4f0 [14696.644035] ? mod_objcg_state+0x10c/0x310 [14696.645040] ? obj_cgroup_charge+0xe1/0x170 [14696.646067] __mutex_lock_slowpath+0x13/0x20 [14696.647126] mutex_lock+0x34/0x40 [14696.648070] stat_show+0x25/0x17c0 [f2fs] [14696.649218] seq_read_iter+0x120/0x4b0 [14696.650289] ? aa_file_perm+0x12a/0x500 [14696.651357] ? lru_cache_add+0x1c/0x20 [14696.652470] seq_read+0xfd/0x140 [14696.653445] full_proxy_read+0x5c/0x80 [14696.654535] vfs_read+0xa0/0x1a0 [14696.655497] ksys_read+0x67/0xe0 [14696.656502] __x64_sys_read+0x1a/0x20 [14696.657580] do_syscall_64+0x3b/0xc0 [14696.658671] entry_SYSCALL_64_after_hwframe+0x44/0xae [14696.660068] RIP: 0033:0x7efe39df1cb2 [14696.661133] RSP: 002b:00007ffc8badd948 EFLAGS: 00000246 ORIG_RAX: 000000000000000 [14696.662958] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007efe39df1cb2 [14696.664757] RDX: 0000000000020000 RSI: 00007efe399df000 RDI: 0000000000000003 [14696.666542] RBP: 00007efe399df000 R08: 00007efe399de010 R09: 00007efe399de010 [14696.668363] R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000000000 [14696.670155] R13: 000000000000003 R14: 0000000000020000 R15: 0000000000020000 [14696.671965]  [14696.672826] tarea: desmontaje estado: D pila: 0 pid: 1614985 ppid: 1614984 indicadores: 0x00004000 [14696.674930] Seguimiento de llamadas: [14696.675903]  [14696.676780] __schedule+0x302/0x930 [14696.677927] schedule+0x58/0xd0 [14696.679019] schedule_preempt_disabled+0x18/0x30 [14696.680412] __mutex_lock.constprop.0+0x2fb/0x4f0 [14696.681783] ? destroy_inode+0x65/0x80 [14696.683006] __mutex_lock_slowpath+0x13/0x20 [14696.684305] mutex_lock+0x34/0x40 [14696.685442] f2fs_destroy_stats+0x1e/0x60 [f2fs] [14696.686803] f2fs_put_super+0x158/0x390 [f2fs] [14696.688238] generic_shutdown_super+0x7a/0x120 [14696.689621] kill_block_super+0x27/0x50 [14696.690894] kill_f2fs_super+0x7f/0x100 [f2fs] [14696.692311] deactivate_locked_super+0x35/0xa0 [14696.693698] deactivate_super+0x40/0x50 [14696.694985] cleanup_mnt+0x139/0x190 [14696.696209] __cleanup_mnt+0x12/0x20 [14696.697390] task_work_run+0x64/0xa0 [14696.698587] exit_to_user_mode_prepare+0x1b7/0x1c0 [14696.700053] syscall_exit_to_user_mode+0x27/0x50 [14696.701418] do_syscall_64+0x48/0xc0 [14696.702630] entry_SYSCALL_64_after_hwframe+0x44/0xae"
          }
        ],
        "id": "CVE-2022-49169",
        "lastModified": "2026-08-13T00:17:29.890",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2025-02-26T07:00:54.017",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/2eff60346e7ae1a24cd868b8fdcf58e946e7dde1"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/738886004bd2885ac2db0bc63b4874aa471ca87e"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/98237fcda4a24e67b0a4498c17d5aa4ad4537bc7"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/ec4187d45cc1c2d69fffeee5fa6aa4cb62477cfb"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-30T10:27:20+00:00",
      "cve": "CVE-2022-49169",
      "id": "CVE-2022-49169",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: f2fs: use spin_lock to avoid hang",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49169.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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