{
  "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-2025-39868",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-39868",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-23T06:00:43.308Z",
    "updatedAt": "2026-08-05T12:05:46.658Z",
    "importedAt": "2026-10-24T01:57:34.152Z",
    "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": "erofs: fix runtime warning on truncate_folio_batch_exceptionals()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix runtime warning on truncate_folio_batch_exceptionals()\n\nCommit 0e2f80afcfa6(\"fs/dax: ensure all pages are idle prior to\nfilesystem unmount\") introduced the WARN_ON_ONCE to capture whether\nthe filesystem has removed all DAX entries or not and applied the\nfix to xfs and ext4.\n\nApply the missed fix on erofs to fix the runtime warning:\n\n[  5.266254] ------------[ cut here ]------------\n[  5.266274] WARNING: CPU: 6 PID: 3109 at mm/truncate.c:89 truncate_folio_batch_exceptionals+0xff/0x260\n[  5.266294] Modules linked in:\n[  5.266999] CPU: 6 UID: 0 PID: 3109 Comm: umount Tainted: G S                  6.16.0+ #6 PREEMPT(voluntary)\n[  5.267012] Tainted: [S]=CPU_OUT_OF_SPEC\n[  5.267017] Hardware name: Dell Inc. OptiPlex 5000/05WXFV, BIOS 1.5.1 08/24/2022\n[  5.267024] RIP: 0010:truncate_folio_batch_exceptionals+0xff/0x260\n[  5.267076] Code: 00 00 41 39 df 7f 11 eb 78 83 c3 01 49 83 c4 08 41 39 df 74 6c 48 63 f3 48 83 fe 1f 0f 83 3c 01 00 00 43 f6 44 26 08 01 74 df <0f> 0b 4a 8b 34 22 4c 89 ef 48 89 55 90 e8 ff 54 1f 00 48 8b 55 90\n[  5.267083] RSP: 0018:ffffc900013f36c8 EFLAGS: 00010202\n[  5.267095] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000\n[  5.267101] RDX: ffffc900013f3790 RSI: 0000000000000000 RDI: ffff8882a1407898\n[  5.267108] RBP: ffffc900013f3740 R08: 0000000000000000 R09: 0000000000000000\n[  5.267113] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000\n[  5.267119] R13: ffff8882a1407ab8 R14: ffffc900013f3888 R15: 0000000000000001\n[  5.267125] FS:  00007aaa8b437800(0000) GS:ffff88850025b000(0000) knlGS:0000000000000000\n[  5.267132] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[  5.267138] CR2: 00007aaa8b3aac10 CR3: 000000024f764000 CR4: 0000000000f52ef0\n[  5.267144] PKRU: 55555554\n[  5.267150] Call Trace:\n[  5.267154]  <TASK>\n[  5.267181]  truncate_inode_pages_range+0x118/0x5e0\n[  5.267193]  ? save_trace+0x54/0x390\n[  5.267296]  truncate_inode_pages_final+0x43/0x60\n[  5.267309]  evict+0x2a4/0x2c0\n[  5.267339]  dispose_list+0x39/0x80\n[  5.267352]  evict_inodes+0x150/0x1b0\n[  5.267376]  generic_shutdown_super+0x41/0x180\n[  5.267390]  kill_block_super+0x1b/0x50\n[  5.267402]  erofs_kill_sb+0x81/0x90 [erofs]\n[  5.267436]  deactivate_locked_super+0x32/0xb0\n[  5.267450]  deactivate_super+0x46/0x60\n[  5.267460]  cleanup_mnt+0xc3/0x170\n[  5.267475]  __cleanup_mnt+0x12/0x20\n[  5.267485]  task_work_run+0x5d/0xb0\n[  5.267499]  exit_to_user_mode_loop+0x144/0x170\n[  5.267512]  do_syscall_64+0x2b9/0x7c0\n[  5.267523]  ? __lock_acquire+0x665/0x2ce0\n[  5.267535]  ? __lock_acquire+0x665/0x2ce0\n[  5.267560]  ? lock_acquire+0xcd/0x300\n[  5.267573]  ? find_held_lock+0x31/0x90\n[  5.267582]  ? mntput_no_expire+0x97/0x4e0\n[  5.267606]  ? mntput_no_expire+0xa1/0x4e0\n[  5.267625]  ? mntput+0x24/0x50\n[  5.267634]  ? path_put+0x1e/0x30\n[  5.267647]  ? do_faccessat+0x120/0x2f0\n[  5.267677]  ? do_syscall_64+0x1a2/0x7c0\n[  5.267686]  ? from_kgid_munged+0x17/0x30\n[  5.267703]  ? from_kuid_munged+0x13/0x30\n[  5.267711]  ? __do_sys_getuid+0x3d/0x50\n[  5.267724]  ? do_syscall_64+0x1a2/0x7c0\n[  5.267732]  ? irqentry_exit+0x77/0xb0\n[  5.267743]  ? clear_bhb_loop+0x30/0x80\n[  5.267752]  ? clear_bhb_loop+0x30/0x80\n[  5.267765]  entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[  5.267772] RIP: 0033:0x7aaa8b32a9fb\n[  5.267781] Code: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 31 f6 e9 05 00 00 00 0f 1f 44 00 00 f3 0f 1e fa b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 e9 83 0d 00 f7 d8\n[  5.267787] RSP: 002b:00007ffd7c4c9468 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6\n[  5.267796] RAX: 0000000000000000 RBX: 00005a61592a8b00 RCX: 00007aaa8b32a9fb\n[  5.267802] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00005a61592b2080\n[  5.267806] RBP: 00007ffd7c4c9540 R08: 00007aaa8b403b20 R09: 0000000000000020\n[  5.267812] R10: 0000000000000001 R11: 0000000000000246 R12: 00005a61592a8c00\n[  5.267817] R13: 00000000\n---truncated---",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "bde708f1a65d025c45575bfe1e7bf7bdf7e71e87",
              "status": "affected",
              "versionType": "git",
              "lessThan": "91c34cd6ca1bc67ccf2d104834956af56b5893de"
            },
            {
              "version": "bde708f1a65d025c45575bfe1e7bf7bdf7e71e87",
              "status": "affected",
              "versionType": "git",
              "lessThan": "181993bb0d626cf88cc803f4356ce5c5abe86278"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.15",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.15"
            },
            {
              "version": "6.16.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.16.*"
            },
            {
              "version": "6.17",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}