fkie_nvd - fkie_cve-2025-68247

FKIE_CVE-2025-68247

Vulnerability from fkie_nvd - Published: 2025-12-16 15:15 - Updated: 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

JSON

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 – Updated: 2025-12-16 14:21

Title

posix-timers: Plug potential memory leak in do_timer_create()

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/f417f44524e7fc098…
	https://git.kernel.org/stable/c/e0fd4d42e27f761e9…

Impacted products

Vendor

Product

Version

Linux

Affected: ec2d0c04624b3c8a7eb1682e006717fa20cfbe24 , < f417f44524e7fc098e787c718d838b32723c0b2d (git)
Affected: ec2d0c04624b3c8a7eb1682e006717fa20cfbe24 , < e0fd4d42e27f761e9cc82801b3f183e658dc749d (git)

Linux

Affected: 6.15
Unaffected: 0 , < 6.15 (semver)
Unaffected: 6.17.9 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

FKIE_CVE-2025-68247

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

Tags

Sightings

Nomenclature