FKIE_CVE-2025-40055

Vulnerability from fkie_nvd - Published: 2025-10-28 12:15 - Updated: 2026-06-17 09:21
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix double free in user_cluster_connect() user_cluster_disconnect() frees "conn->cc_private" which is "lc" but then the error handling frees "lc" a second time. Set "lc" to NULL on this path to avoid a double free.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/283333079d96c84baa91f0c62b5e0cbec246b7a2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/694d5b401036a614f8080085a9de6f86ff0742dc
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7e76fe9dfadbc00364d7523d5a109e9d3e4a7db2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/827c8efa0d1afe817b90f3618afff552e88348d2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/892f41e12c8689130d552a9eb2b77bafd26484ab
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8f45f089337d924db24397f55697cda0e6960516
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bfe011297ddd2d0cd64752978baaa0c04cd20573
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f992bc72f681c32a682d474a29c2135a64d4f4e5
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ocfs2/stack_user.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "283333079d96c84baa91f0c62b5e0cbec246b7a2",
              "status": "affected",
              "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
              "versionType": "git"
            },
            {
              "lessThan": "f992bc72f681c32a682d474a29c2135a64d4f4e5",
              "status": "affected",
              "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
              "versionType": "git"
            },
            {
              "lessThan": "827c8efa0d1afe817b90f3618afff552e88348d2",
              "status": "affected",
              "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
              "versionType": "git"
            },
            {
              "lessThan": "bfe011297ddd2d0cd64752978baaa0c04cd20573",
              "status": "affected",
              "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
              "versionType": "git"
            },
            {
              "lessThan": "7e76fe9dfadbc00364d7523d5a109e9d3e4a7db2",
              "status": "affected",
              "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
              "versionType": "git"
            },
            {
              "lessThan": "694d5b401036a614f8080085a9de6f86ff0742dc",
              "status": "affected",
              "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
              "versionType": "git"
            },
            {
              "lessThan": "892f41e12c8689130d552a9eb2b77bafd26484ab",
              "status": "affected",
              "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
              "versionType": "git"
            },
            {
              "lessThan": "8f45f089337d924db24397f55697cda0e6960516",
              "status": "affected",
              "version": "c994c2ebdbbc391a42f177c8eb7882ebf3f142d8",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/ocfs2/stack_user.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.14"
            },
            {
              "lessThan": "3.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.301",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.246",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.195",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.156",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.112",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.53",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix double free in user_cluster_connect()\n\nuser_cluster_disconnect() frees \"conn-\u003ecc_private\" which is \"lc\" but then\nthe error handling frees \"lc\" a second time.  Set \"lc\" to NULL on this\npath to avoid a double free."
    }
  ],
  "id": "CVE-2025-40055",
  "lastModified": "2026-06-17T09:21:11.483",
  "metrics": {},
  "published": "2025-10-28T12:15:39.780",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/283333079d96c84baa91f0c62b5e0cbec246b7a2"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/694d5b401036a614f8080085a9de6f86ff0742dc"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/7e76fe9dfadbc00364d7523d5a109e9d3e4a7db2"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/827c8efa0d1afe817b90f3618afff552e88348d2"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/892f41e12c8689130d552a9eb2b77bafd26484ab"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/8f45f089337d924db24397f55697cda0e6960516"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/bfe011297ddd2d0cd64752978baaa0c04cd20573"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f992bc72f681c32a682d474a29c2135a64d4f4e5"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}


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