CVE-2026-43419 (GCVE-0-2026-43419)

Vulnerability from cvelistv5 – Published: 2026-05-08 14:21 – Updated: 2026-05-23 16:06
VLAI
Title
ceph: fix memory leaks in ceph_mdsc_build_path()
Summary
In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leaks in ceph_mdsc_build_path() Add __putname() calls to error code paths that did not free the "path" pointer obtained by __getname(). If ownership of this pointer is not passed to the caller via path_info.path, the function must free it before returning.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 3fd945a79e147ee10f84213976889b29049c3519 , < 657dc653b06a3cc0282aea447a3f137fa94066a4 (git)
Affected: 3fd945a79e147ee10f84213976889b29049c3519 , < 5895d0164c84d7fec6abc198920c257f55c51899 (git)
Affected: 3fd945a79e147ee10f84213976889b29049c3519 , < 097cd68f46686391a98f2618188f0cb7b7570de2 (git)
Affected: 3fd945a79e147ee10f84213976889b29049c3519 , < 13b8b9d6f59ef17fb96c298c3a0d62a8306950cc (git)
Affected: 3fd945a79e147ee10f84213976889b29049c3519 , < 040d159a45ded7f33201421a81df0aa2a86e5a0b (git)
Affected: 0f2b2d9e881c90402dbe28f9ba831775b7992e1f (git)
Affected: d42ad3f161a5a487f81915c406f46943c7187a0a (git)
Affected: e4b168c64da06954be5d520f6c16469b1cadc069 (git)
Affected: 5.10.234 , < 5.11 (semver)
Affected: 5.15.177 , < 5.16 (semver)
Affected: 6.1.125 , < 6.2 (semver)
Create a notification for this product.
Linux Linux Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 6.6.130 , ≤ 6.6.* (semver)
Unaffected: 6.12.78 , ≤ 6.12.* (semver)
Unaffected: 6.18.19 , ≤ 6.18.* (semver)
Unaffected: 6.19.9 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ceph/mds_client.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "657dc653b06a3cc0282aea447a3f137fa94066a4",
              "status": "affected",
              "version": "3fd945a79e147ee10f84213976889b29049c3519",
              "versionType": "git"
            },
            {
              "lessThan": "5895d0164c84d7fec6abc198920c257f55c51899",
              "status": "affected",
              "version": "3fd945a79e147ee10f84213976889b29049c3519",
              "versionType": "git"
            },
            {
              "lessThan": "097cd68f46686391a98f2618188f0cb7b7570de2",
              "status": "affected",
              "version": "3fd945a79e147ee10f84213976889b29049c3519",
              "versionType": "git"
            },
            {
              "lessThan": "13b8b9d6f59ef17fb96c298c3a0d62a8306950cc",
              "status": "affected",
              "version": "3fd945a79e147ee10f84213976889b29049c3519",
              "versionType": "git"
            },
            {
              "lessThan": "040d159a45ded7f33201421a81df0aa2a86e5a0b",
              "status": "affected",
              "version": "3fd945a79e147ee10f84213976889b29049c3519",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0f2b2d9e881c90402dbe28f9ba831775b7992e1f",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "d42ad3f161a5a487f81915c406f46943c7187a0a",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "e4b168c64da06954be5d520f6c16469b1cadc069",
              "versionType": "git"
            },
            {
              "lessThan": "5.11",
              "status": "affected",
              "version": "5.10.234",
              "versionType": "semver"
            },
            {
              "lessThan": "5.16",
              "status": "affected",
              "version": "5.15.177",
              "versionType": "semver"
            },
            {
              "lessThan": "6.2",
              "status": "affected",
              "version": "6.1.125",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/ceph/mds_client.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.6"
            },
            {
              "lessThan": "6.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.130",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.78",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.19",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.130",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.78",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.19",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.9",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "5.10.234",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "5.15.177",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "6.1.125",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nceph: fix memory leaks in ceph_mdsc_build_path()\n\nAdd __putname() calls to error code paths that did not free the \"path\"\npointer obtained by __getname().  If ownership of this pointer is not\npassed to the caller via path_info.path, the function must free it\nbefore returning."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-23T16:06:58.376Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/657dc653b06a3cc0282aea447a3f137fa94066a4"
        },
        {
          "url": "https://git.kernel.org/stable/c/5895d0164c84d7fec6abc198920c257f55c51899"
        },
        {
          "url": "https://git.kernel.org/stable/c/097cd68f46686391a98f2618188f0cb7b7570de2"
        },
        {
          "url": "https://git.kernel.org/stable/c/13b8b9d6f59ef17fb96c298c3a0d62a8306950cc"
        },
        {
          "url": "https://git.kernel.org/stable/c/040d159a45ded7f33201421a81df0aa2a86e5a0b"
        }
      ],
      "title": "ceph: fix memory leaks in ceph_mdsc_build_path()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43419",
    "datePublished": "2026-05-08T14:21:55.037Z",
    "dateReserved": "2026-05-01T14:12:56.008Z",
    "dateUpdated": "2026-05-23T16:06:58.376Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-43419",
      "date": "2026-05-28",
      "epss": "0.00013",
      "percentile": "0.02292"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-43419\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-05-08T15:16:53.910\",\"lastModified\":\"2026-05-12T14:10:27.343\",\"vulnStatus\":\"Undergoing Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nceph: fix memory leaks in ceph_mdsc_build_path()\\n\\nAdd __putname() calls to error code paths that did not free the \\\"path\\\"\\npointer obtained by __getname().  If ownership of this pointer is not\\npassed to the caller via path_info.path, the function must free it\\nbefore returning.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/040d159a45ded7f33201421a81df0aa2a86e5a0b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/097cd68f46686391a98f2618188f0cb7b7570de2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/13b8b9d6f59ef17fb96c298c3a0d62a8306950cc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5895d0164c84d7fec6abc198920c257f55c51899\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/657dc653b06a3cc0282aea447a3f137fa94066a4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.

Sightings

Author Source Type Date Other

Nomenclature

  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.