FKIE_CVE-2026-23232

Vulnerability from fkie_nvd - Published: 2026-03-04 15:16 - Updated: 2026-03-17 21:21
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: block cache/dio write during f2fs_enable_checkpoint()" This reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a. Original patch may cause below deadlock, revert it. write remount - write_begin - lock_page --- lock A - prepare_write_begin - f2fs_map_lock - f2fs_enable_checkpoint - down_write(cp_enable_rwsem) --- lock B - sync_inode_sb - writepages - lock_page --- lock A - down_read(cp_enable_rwsem) --- lock A
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3996b70209f145bfcf2afc7d05dd92c27b233b48Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b6382273801bc7c778545dd8004c9a9d750b4f62Patch
Impacted products
Vendor Product Version
linux linux_kernel *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7853A337-FB2A-4E19-AB47-4E38343532AA",
              "versionEndExcluding": "6.19.3",
              "versionStartIncluding": "6.19",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRevert \"f2fs: block cache/dio write during f2fs_enable_checkpoint()\"\n\nThis reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a.\n\nOriginal patch may cause below deadlock, revert it.\n\nwrite\t\t\t\tremount\n- write_begin\n - lock_page  --- lock A\n - prepare_write_begin\n  - f2fs_map_lock\n\t\t\t\t- f2fs_enable_checkpoint\n\t\t\t\t - down_write(cp_enable_rwsem)  --- lock B\n\t\t\t\t - sync_inode_sb\n\t\t\t\t  - writepages\n\t\t\t\t   - lock_page\t\t\t--- lock A\n   - down_read(cp_enable_rwsem)  --- lock A"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Revertir \u00abf2fs: bloqueo de cach\u00e9/escritura dio durante f2fs_enable_checkpoint()\u00bb. Esto revierte la confirmaci\u00f3n 196c81fdd438f7ac429d5639090a9816abb9760a. El parche original puede causar el siguiente bloqueo, reviertelo. write remount - write_begin - lock_page --- lock A - prepare_write_begin - f2fs_map_lock - f2fs_enable_checkpoint - down_write (cp_enable_rwsem) --- bloqueo B - sync_inode_sb - writepages - lock_page --- bloqueo A - down_read(cp_enable_rwsem) --- bloqueo A"
    }
  ],
  "id": "CVE-2026-23232",
  "lastModified": "2026-03-17T21:21:42.327",
  "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": "2026-03-04T15:16:13.477",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/3996b70209f145bfcf2afc7d05dd92c27b233b48"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/b6382273801bc7c778545dd8004c9a9d750b4f62"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-667"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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