CVE-2024-39472 (GCVE-0-2024-39472)

Vulnerability from cvelistv5 – Published: 2024-07-05 06:42 – Updated: 2026-08-05 11:33
VLAI
Title
xfs: fix log recovery buffer allocation for the legacy h_size fixup
Summary
In the Linux kernel, the following vulnerability has been resolved: xfs: fix log recovery buffer allocation for the legacy h_size fixup Commit a70f9fe52daa ("xfs: detect and handle invalid iclog size set by mkfs") added a fixup for incorrect h_size values used for the initial umount record in old xfsprogs versions. Later commit 0c771b99d6c9 ("xfs: clean up calculation of LR header blocks") cleaned up the log reover buffer calculation, but stoped using the fixed up h_size value to size the log recovery buffer, which can lead to an out of bounds access when the incorrect h_size does not come from the old mkfs tool, but a fuzzer. Fix this by open coding xlog_logrec_hblks and taking the fixed h_size into account for this calculation.
Severity
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 17:07 UTC
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 7033 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 0c771b99d6c9a0552fea5cc43669b726dad8f659 , < f754591b17d0ee91c2b45fe9509d0cdc420527cb (git)
Affected: 0c771b99d6c9a0552fea5cc43669b726dad8f659 , < 57835c0e7152e36b03875dd6c56dfeed685c1b1f (git)
Affected: 0c771b99d6c9a0552fea5cc43669b726dad8f659 , < c2389c074973aa94e34992e7f66dac0de37595b5 (git)
Affected: 0c771b99d6c9a0552fea5cc43669b726dad8f659 , < 45cf976008ddef4a9c9a30310c9b4fb2a9a6602a (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.10
Unaffected: 0 , < 5.10 (semver)
Unaffected: 5.15.165 , ≤ 5.15.* (semver)
Unaffected: 6.1.105 , ≤ 6.1.* (semver)
Unaffected: 6.6.46 , ≤ 6.6.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-09-10T17:07:45.783551Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-09-11T12:42:25.222Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "fs/xfs/xfs_log_recover.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "lessThan": "f754591b17d0ee91c2b45fe9509d0cdc420527cb",
                  "status": "affected",
                  "version": "0c771b99d6c9a0552fea5cc43669b726dad8f659",
                  "versionType": "git"
                },
                {
                  "lessThan": "57835c0e7152e36b03875dd6c56dfeed685c1b1f",
                  "status": "affected",
                  "version": "0c771b99d6c9a0552fea5cc43669b726dad8f659",
                  "versionType": "git"
                },
                {
                  "lessThan": "c2389c074973aa94e34992e7f66dac0de37595b5",
                  "status": "affected",
                  "version": "0c771b99d6c9a0552fea5cc43669b726dad8f659",
                  "versionType": "git"
                },
                {
                  "lessThan": "45cf976008ddef4a9c9a30310c9b4fb2a9a6602a",
                  "status": "affected",
                  "version": "0c771b99d6c9a0552fea5cc43669b726dad8f659",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "fs/xfs/xfs_log_recover.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "5.10"
                },
                {
                  "lessThan": "5.10",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.165",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.1.*",
                  "status": "unaffected",
                  "version": "6.1.105",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.6.*",
                  "status": "unaffected",
                  "version": "6.6.46",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.10",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: fix log recovery buffer allocation for the legacy h_size fixup\n\nCommit a70f9fe52daa (\"xfs: detect and handle invalid iclog size set by\nmkfs\") added a fixup for incorrect h_size values used for the initial\numount record in old xfsprogs versions.  Later commit 0c771b99d6c9\n(\"xfs: clean up calculation of LR header blocks\") cleaned up the log\nreover buffer calculation, but stoped using the fixed up h_size value\nto size the log recovery buffer, which can lead to an out of bounds\naccess when the incorrect h_size does not come from the old mkfs\ntool, but a fuzzer.\n\nFix this by open coding xlog_logrec_hblks and taking the fixed h_size\ninto account for this calculation."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2024-12-19T09:06:49.651Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/f754591b17d0ee91c2b45fe9509d0cdc420527cb"
            },
            {
              "url": "https://git.kernel.org/stable/c/57835c0e7152e36b03875dd6c56dfeed685c1b1f"
            },
            {
              "url": "https://git.kernel.org/stable/c/c2389c074973aa94e34992e7f66dac0de37595b5"
            },
            {
              "url": "https://git.kernel.org/stable/c/45cf976008ddef4a9c9a30310c9b4fb2a9a6602a"
            }
          ],
          "title": "xfs: fix log recovery buffer allocation for the legacy h_size fixup",
          "x_generator": {
            "engine": "bippy-5f407fcff5a0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-39472",
        "datePublished": "2024-07-05T06:42:03.495Z",
        "dateReserved": "2024-06-25T14:23:23.745Z",
        "dateUpdated": "2024-12-19T09:06:49.651Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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