fkie_nvd - fkie_cve-2025-68247

fkie_cve-2025-68247

Vulnerability from fkie_nvd

Published

2025-12-16 15:15

Modified

2025-12-18 15:08

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Plug potential memory leak in do_timer_create() When posix timer creation is set to allocate a given timer ID and the access to the user space value faults, the function terminates without freeing the already allocated posix timer structure. Move the allocation after the user space access to cure that. [ tglx: Massaged change log ]

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e0fd4d42e27f761e9cc82801b3f183e658dc749d
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f417f44524e7fc098e787c718d838b32723c0b2d

Impacted products

	Vendor	Product	Version

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nposix-timers: Plug potential memory leak in do_timer_create()\n\nWhen posix timer creation is set to allocate a given timer ID and the\naccess to the user space value faults, the function terminates without\nfreeing the already allocated posix timer structure.\n\nMove the allocation after the user space access to cure that.\n\n[ tglx: Massaged change log ]"
    }
  ],
  "id": "CVE-2025-68247",
  "lastModified": "2025-12-18T15:08:06.237",
  "metrics": {},
  "published": "2025-12-16T15:15:53.987",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e0fd4d42e27f761e9cc82801b3f183e658dc749d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f417f44524e7fc098e787c718d838b32723c0b2d"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2025-68247 (GCVE-0-2025-68247)

Vulnerability from cvelistv5

Published

2025-12-16 14:21

Modified

2025-12-16 14:21

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Plug potential memory leak in do_timer_create() When posix timer creation is set to allocate a given timer ID and the access to the user space value faults, the function terminates without freeing the already allocated posix timer structure. Move the allocation after the user space access to cure that. [ tglx: Massaged change log ]

References

URL

Tags

	https://git.kernel.org/stable/c/f417f44524e7fc098e787c718d838b32723c0b2d
	https://git.kernel.org/stable/c/e0fd4d42e27f761e9cc82801b3f183e658dc749d

Impacted products

Vendor

Product

Version

Version: ec2d0c04624b3c8a7eb1682e006717fa20cfbe24
Version: ec2d0c04624b3c8a7eb1682e006717fa20cfbe24

Version: 6.15

Show details on NVD website

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "kernel/time/posix-timers.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f417f44524e7fc098e787c718d838b32723c0b2d",
              "status": "affected",
              "version": "ec2d0c04624b3c8a7eb1682e006717fa20cfbe24",
              "versionType": "git"
            },
            {
              "lessThan": "e0fd4d42e27f761e9cc82801b3f183e658dc749d",
              "status": "affected",
              "version": "ec2d0c04624b3c8a7eb1682e006717fa20cfbe24",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "kernel/time/posix-timers.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.15"
            },
            {
              "lessThan": "6.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17.9",
                  "versionStartIncluding": "6.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18",
                  "versionStartIncluding": "6.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nposix-timers: Plug potential memory leak in do_timer_create()\n\nWhen posix timer creation is set to allocate a given timer ID and the\naccess to the user space value faults, the function terminates without\nfreeing the already allocated posix timer structure.\n\nMove the allocation after the user space access to cure that.\n\n[ tglx: Massaged change log ]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-16T14:21:24.359Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f417f44524e7fc098e787c718d838b32723c0b2d"
        },
        {
          "url": "https://git.kernel.org/stable/c/e0fd4d42e27f761e9cc82801b3f183e658dc749d"
        }
      ],
      "title": "posix-timers: Plug potential memory leak in do_timer_create()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-68247",
    "datePublished": "2025-12-16T14:21:24.359Z",
    "dateReserved": "2025-12-16T13:41:40.266Z",
    "dateUpdated": "2025-12-16T14:21:24.359Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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