CVE-2024-40971 (GCVE-0-2024-40971)

Vulnerability from cvelistv5 – Published: 2024-07-12 12:32 – Updated: 2026-08-05 11:34
VLAI
Title
f2fs: remove clear SB_INLINECRYPT flag in default_options
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: remove clear SB_INLINECRYPT flag in default_options In f2fs_remount, SB_INLINECRYPT flag will be clear and re-set. If create new file or open file during this gap, these files will not use inlinecrypt. Worse case, it may lead to data corruption if wrappedkey_v0 is enable. Thread A: Thread B: -f2fs_remount -f2fs_file_open or f2fs_new_inode -default_options <- clear SB_INLINECRYPT flag -fscrypt_select_encryption_impl -parse_options <- set SB_INLINECRYPT again
Severity
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 17:02 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < 38a82c8d00638bb642bef787eb1d5e0e4d3b7d71 (git)
Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < 724429db09e21ee153fef35e34342279d33df6ae (git)
Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < a9cea0489c562c97cd56bb345e78939f9909e7f4 (git)
Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < eddeb8d941d5be11a9da5637dbe81ac37e8449a2 (git)
Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < ae39c8ec4250d2a35ddaab1c40faacfec306ff66 (git)
Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < ac5eecf481c29942eb9a862e758c0c8b68090c33 (git)
guessed Create a notification for this product.
Linux Linux Affected: 3.8
Unaffected: 0 , < 3.8 (semver)
Unaffected: 5.10.221 , ≤ 5.10.* (semver)
Unaffected: 5.15.162 , ≤ 5.15.* (semver)
Unaffected: 6.1.96 , ≤ 6.1.* (semver)
Unaffected: 6.6.36 , ≤ 6.6.* (semver)
Unaffected: 6.9.7 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Siemens RUGGEDCOM RST2428P Unaffected: 0 , < * (custom)
guessed Create a notification for this product.
Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Unaffected: 0 , < * (custom)
guessed Create a notification for this product.
Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family Unaffected: 0 , < * (custom)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
guessed Create a notification for this product.
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                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.10",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.10.221",
                      "versionStartIncluding": "3.8",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.162",
                      "versionStartIncluding": "3.8",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.96",
                      "versionStartIncluding": "3.8",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.6.36",
                      "versionStartIncluding": "3.8",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.9.7",
                      "versionStartIncluding": "3.8",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.10",
                      "versionStartIncluding": "3.8",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: remove clear SB_INLINECRYPT flag in default_options\n\nIn f2fs_remount, SB_INLINECRYPT flag will be clear and re-set.\nIf create new file or open file during this gap, these files\nwill not use inlinecrypt. Worse case, it may lead to data\ncorruption if wrappedkey_v0 is enable.\n\nThread A:                               Thread B:\n\n-f2fs_remount\t\t\t\t-f2fs_file_open or f2fs_new_inode\n  -default_options\n\t\u003c- clear SB_INLINECRYPT flag\n\n                                          -fscrypt_select_encryption_impl\n\n  -parse_options\n\t\u003c- set SB_INLINECRYPT again"
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T20:23:23.303Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/38a82c8d00638bb642bef787eb1d5e0e4d3b7d71"
            },
            {
              "url": "https://git.kernel.org/stable/c/724429db09e21ee153fef35e34342279d33df6ae"
            },
            {
              "url": "https://git.kernel.org/stable/c/a9cea0489c562c97cd56bb345e78939f9909e7f4"
            },
            {
              "url": "https://git.kernel.org/stable/c/eddeb8d941d5be11a9da5637dbe81ac37e8449a2"
            },
            {
              "url": "https://git.kernel.org/stable/c/ae39c8ec4250d2a35ddaab1c40faacfec306ff66"
            },
            {
              "url": "https://git.kernel.org/stable/c/ac5eecf481c29942eb9a862e758c0c8b68090c33"
            }
          ],
          "title": "f2fs: remove clear SB_INLINECRYPT flag in default_options",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-40971",
        "datePublished": "2024-07-12T12:32:09.440Z",
        "dateReserved": "2024-07-12T12:17:45.603Z",
        "dateUpdated": "2026-05-12T11:56:00.292Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.