{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2022-49169",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49169",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T01:55:27.044Z",
    "updatedAt": "2026-08-12T23:58:09.122Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "f2fs: use spin_lock to avoid hang",
      "summary": "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",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "66af62ce7588736ae65edfdb1c0df597775c4d21",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2eff60346e7ae1a24cd868b8fdcf58e946e7dde1"
            },
            {
              "version": "66af62ce7588736ae65edfdb1c0df597775c4d21",
              "status": "affected",
              "versionType": "git",
              "lessThan": "738886004bd2885ac2db0bc63b4874aa471ca87e"
            },
            {
              "version": "66af62ce7588736ae65edfdb1c0df597775c4d21",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ec4187d45cc1c2d69fffeee5fa6aa4cb62477cfb"
            },
            {
              "version": "66af62ce7588736ae65edfdb1c0df597775c4d21",
              "status": "affected",
              "versionType": "git",
              "lessThan": "98237fcda4a24e67b0a4498c17d5aa4ad4537bc7"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.8",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.8"
            },
            {
              "version": "5.15.33",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.16.19",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.16.*"
            },
            {
              "version": "5.17.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.17.*"
            },
            {
              "version": "5.18",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}