CVE-2025-38333 (GCVE-0-2025-38333)

Vulnerability from cvelistv5 – Published: 2025-07-10 08:15 – Updated: 2025-07-28 04:19
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to bail out in get_new_segment() ------------[ cut here ]------------ WARNING: CPU: 3 PID: 579 at fs/f2fs/segment.c:2832 new_curseg+0x5e8/0x6dc pc : new_curseg+0x5e8/0x6dc Call trace: new_curseg+0x5e8/0x6dc f2fs_allocate_data_block+0xa54/0xe28 do_write_page+0x6c/0x194 f2fs_do_write_node_page+0x38/0x78 __write_node_page+0x248/0x6d4 f2fs_sync_node_pages+0x524/0x72c f2fs_write_checkpoint+0x4bc/0x9b0 __checkpoint_and_complete_reqs+0x80/0x244 issue_checkpoint_thread+0x8c/0xec kthread+0x114/0x1bc ret_from_fork+0x10/0x20 get_new_segment() detects inconsistent status in between free_segmap and free_secmap, let's record such error into super block, and bail out get_new_segment() instead of continue using the segment.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < f0023d7a2a86999c8e1300e911d92f995a5310a8 (git)
Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < ca860f507a61c7c3d4dde47b830a5c0d555cf83c (git)
Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < bb5eb8a5b222fa5092f60d5555867a05ebc3bdf2 (git)
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    Linux Linux Affected: 3.8
Unaffected: 0 , < 3.8 (semver)
Unaffected: 6.12.35 , ≤ 6.12.* (semver)
Unaffected: 6.15.4 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/segment.c",
            "include/linux/f2fs_fs.h"
          ],
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          "vendor": "Linux",
          "versions": [
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              "status": "affected",
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              "versionType": "git"
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          "vendor": "Linux",
          "versions": [
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              "version": "6.15.4",
              "versionType": "semver"
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              "version": "6.16",
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              "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 bail out in get_new_segment()\n\n------------[ cut here ]------------\nWARNING: CPU: 3 PID: 579 at fs/f2fs/segment.c:2832 new_curseg+0x5e8/0x6dc\npc : new_curseg+0x5e8/0x6dc\nCall trace:\n new_curseg+0x5e8/0x6dc\n f2fs_allocate_data_block+0xa54/0xe28\n do_write_page+0x6c/0x194\n f2fs_do_write_node_page+0x38/0x78\n __write_node_page+0x248/0x6d4\n f2fs_sync_node_pages+0x524/0x72c\n f2fs_write_checkpoint+0x4bc/0x9b0\n __checkpoint_and_complete_reqs+0x80/0x244\n issue_checkpoint_thread+0x8c/0xec\n kthread+0x114/0x1bc\n ret_from_fork+0x10/0x20\n\nget_new_segment() detects inconsistent status in between free_segmap\nand free_secmap, let\u0027s record such error into super block, and bail\nout get_new_segment() instead of continue using the segment."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-28T04:19:07.525Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/f0023d7a2a86999c8e1300e911d92f995a5310a8"
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        },
        {
          "url": "https://git.kernel.org/stable/c/bb5eb8a5b222fa5092f60d5555867a05ebc3bdf2"
        }
      ],
      "title": "f2fs: fix to bail out in get_new_segment()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38333",
    "datePublished": "2025-07-10T08:15:05.768Z",
    "dateReserved": "2025-04-16T04:51:24.005Z",
    "dateUpdated": "2025-07-28T04:19:07.525Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38333\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-07-10T09:15:27.827\",\"lastModified\":\"2025-11-18T12:53:08.077\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nf2fs: fix to bail out in get_new_segment()\\n\\n------------[ cut here ]------------\\nWARNING: CPU: 3 PID: 579 at fs/f2fs/segment.c:2832 new_curseg+0x5e8/0x6dc\\npc : new_curseg+0x5e8/0x6dc\\nCall trace:\\n new_curseg+0x5e8/0x6dc\\n f2fs_allocate_data_block+0xa54/0xe28\\n do_write_page+0x6c/0x194\\n f2fs_do_write_node_page+0x38/0x78\\n __write_node_page+0x248/0x6d4\\n f2fs_sync_node_pages+0x524/0x72c\\n f2fs_write_checkpoint+0x4bc/0x9b0\\n __checkpoint_and_complete_reqs+0x80/0x244\\n issue_checkpoint_thread+0x8c/0xec\\n kthread+0x114/0x1bc\\n ret_from_fork+0x10/0x20\\n\\nget_new_segment() detects inconsistent status in between free_segmap\\nand free_secmap, let\u0027s record such error into super block, and bail\\nout get_new_segment() instead of continue using the segment.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: correcci\u00f3n para salir en get_new_segment() ------------[ cortar aqu\u00ed ]------------ ADVERTENCIA: CPU: 3 PID: 579 at fs/f2fs/segment.c:2832 new_curseg+0x5e8/0x6dc pc : new_curseg+0x5e8/0x6dc Call trace: new_curseg+0x5e8/0x6dc f2fs_allocate_data_block+0xa54/0xe28 do_write_page+0x6c/0x194 f2fs_do_write_node_page+0x38/0x78 __write_node_page+0x248/0x6d4 f2fs_sync_node_pages+0x524/0x72c f2fs_write_checkpoint+0x4bc/0x9b0 __checkpoint_and_complete_reqs+0x80/0x244 issue_checkpoint_thread+0x8c/0xec kthread+0x114/0x1bc ret_from_fork+0x10/0x20 get_new_segment() detecta un estado inconsistente entre free_segmap y free_secmap, registremos dicho error en el superbloque y rescatemos get_new_segment() en lugar de continuar usando el segmento.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.8\",\"versionEndExcluding\":\"6.12.35\",\"matchCriteriaId\":\"51D4EF45-6311-417A-88AB-8B1FA4105DC3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.15.4\",\"matchCriteriaId\":\"DFD174C5-1AA2-4671-BDDC-1A9FCC753655\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/bb5eb8a5b222fa5092f60d5555867a05ebc3bdf2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ca860f507a61c7c3d4dde47b830a5c0d555cf83c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f0023d7a2a86999c8e1300e911d92f995a5310a8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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