CVE-2025-23130 (GCVE-0-2025-23130)

Vulnerability from cvelistv5 – Published: 2025-04-16 14:13 – Updated: 2025-11-02 13:30
VLAI?
Title
f2fs: fix to avoid panic once fallocation fails for pinfile
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid panic once fallocation fails for pinfile syzbot reports a f2fs bug as below: ------------[ cut here ]------------ kernel BUG at fs/f2fs/segment.c:2746! CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #0 RIP: 0010:get_new_segment fs/f2fs/segment.c:2746 [inline] RIP: 0010:new_curseg+0x1f52/0x1f70 fs/f2fs/segment.c:2876 Call Trace: <TASK> __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3210 f2fs_allocate_new_section fs/f2fs/segment.c:3224 [inline] f2fs_allocate_pinning_section+0xfa/0x4e0 fs/f2fs/segment.c:3238 f2fs_expand_inode_data+0x696/0xca0 fs/f2fs/file.c:1830 f2fs_fallocate+0x537/0xa10 fs/f2fs/file.c:1940 vfs_fallocate+0x569/0x6e0 fs/open.c:327 do_vfs_ioctl+0x258c/0x2e40 fs/ioctl.c:885 __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl+0x80/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Concurrent pinfile allocation may run out of free section, result in panic in get_new_segment(), let's expand pin_sem lock coverage to include f2fs_gc(), so that we can make sure to reclaim enough free space for following allocation. In addition, do below changes to enhance error path handling: - call f2fs_bug_on() only in non-pinfile allocation path in get_new_segment(). - call reset_curseg_fields() to reset all fields of curseg in new_curseg()
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: f5a53edcf01eae21dc3ef1845515229e8459e5cc , < 2dda0930fb79b847b4bfceb737577d0f6bc24d7d (git)
Affected: f5a53edcf01eae21dc3ef1845515229e8459e5cc , < 9392862608d081a8346a3b841f862d732fce954b (git)
Affected: f5a53edcf01eae21dc3ef1845515229e8459e5cc , < 48ea8b200414ac69ea96f4c231f5c7ef1fbeffef (git)
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    Linux Linux Affected: 5.5
Unaffected: 0 , < 5.5 (semver)
Unaffected: 6.12.57 , ≤ 6.12.* (semver)
Unaffected: 6.14.2 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)
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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/file.c",
            "fs/f2fs/segment.c"
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          "vendor": "Linux",
          "versions": [
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              "version": "6.14.2",
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              "versionType": "original_commit_for_fix"
            }
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      ],
      "cpeApplicability": [
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                  "versionStartIncluding": "5.5",
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
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        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid panic once fallocation fails for pinfile\n\nsyzbot reports a f2fs bug as below:\n\n------------[ cut here ]------------\nkernel BUG at fs/f2fs/segment.c:2746!\nCPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #0\nRIP: 0010:get_new_segment fs/f2fs/segment.c:2746 [inline]\nRIP: 0010:new_curseg+0x1f52/0x1f70 fs/f2fs/segment.c:2876\nCall Trace:\n \u003cTASK\u003e\n __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3210\n f2fs_allocate_new_section fs/f2fs/segment.c:3224 [inline]\n f2fs_allocate_pinning_section+0xfa/0x4e0 fs/f2fs/segment.c:3238\n f2fs_expand_inode_data+0x696/0xca0 fs/f2fs/file.c:1830\n f2fs_fallocate+0x537/0xa10 fs/f2fs/file.c:1940\n vfs_fallocate+0x569/0x6e0 fs/open.c:327\n do_vfs_ioctl+0x258c/0x2e40 fs/ioctl.c:885\n __do_sys_ioctl fs/ioctl.c:904 [inline]\n __se_sys_ioctl+0x80/0x170 fs/ioctl.c:892\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nConcurrent pinfile allocation may run out of free section, result in\npanic in get_new_segment(), let\u0027s expand pin_sem lock coverage to\ninclude f2fs_gc(), so that we can make sure to reclaim enough free\nspace for following allocation.\n\nIn addition, do below changes to enhance error path handling:\n- call f2fs_bug_on() only in non-pinfile allocation path in\nget_new_segment().\n- call reset_curseg_fields() to reset all fields of curseg in\nnew_curseg()"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-02T13:30:29.954Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/2dda0930fb79b847b4bfceb737577d0f6bc24d7d"
        },
        {
          "url": "https://git.kernel.org/stable/c/9392862608d081a8346a3b841f862d732fce954b"
        },
        {
          "url": "https://git.kernel.org/stable/c/48ea8b200414ac69ea96f4c231f5c7ef1fbeffef"
        }
      ],
      "title": "f2fs: fix to avoid panic once fallocation fails for pinfile",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-23130",
    "datePublished": "2025-04-16T14:13:12.333Z",
    "dateReserved": "2025-01-11T14:28:41.510Z",
    "dateUpdated": "2025-11-02T13:30:29.954Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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