CVE-2025-68300 (GCVE-0-2025-68300)
Vulnerability from cvelistv5
Published
2025-12-16 15:06
Modified
2025-12-16 15:06
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
fs/namespace: fix reference leak in grab_requested_mnt_ns
lookup_mnt_ns() already takes a reference on mnt_ns.
grab_requested_mnt_ns() doesn't need to take an extra reference.
References
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/namespace.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "4a16b2a0c1f033f95f5d0b98b9e40e8bf7c4c2c5",
"status": "affected",
"version": "ba306daa7fa8ae0be5d64c215e9d43a88b4bc8bf",
"versionType": "git"
},
{
"lessThan": "fe256e59b8e7f126b2464ee32bd9fee131f0a883",
"status": "affected",
"version": "8ff97ade912dcfc5ac1783c4b8d615aacd26fd17",
"versionType": "git"
},
{
"lessThan": "7b6dcd9bfd869eee7693e45b1817dac8c56e5f86",
"status": "affected",
"version": "78f0e33cd6c939a555aa80dbed2fec6b333a7660",
"versionType": "git"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/namespace.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "6.12.61",
"status": "affected",
"version": "6.12.59",
"versionType": "semver"
},
{
"lessThan": "6.17.11",
"status": "affected",
"version": "6.17.9",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.61",
"versionStartIncluding": "6.12.59",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.17.11",
"versionStartIncluding": "6.17.9",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/namespace: fix reference leak in grab_requested_mnt_ns\n\nlookup_mnt_ns() already takes a reference on mnt_ns.\ngrab_requested_mnt_ns() doesn\u0027t need to take an extra reference."
}
],
"providerMetadata": {
"dateUpdated": "2025-12-16T15:06:18.941Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/4a16b2a0c1f033f95f5d0b98b9e40e8bf7c4c2c5"
},
{
"url": "https://git.kernel.org/stable/c/fe256e59b8e7f126b2464ee32bd9fee131f0a883"
},
{
"url": "https://git.kernel.org/stable/c/7b6dcd9bfd869eee7693e45b1817dac8c56e5f86"
}
],
"title": "fs/namespace: fix reference leak in grab_requested_mnt_ns",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-68300",
"datePublished": "2025-12-16T15:06:18.941Z",
"dateReserved": "2025-12-16T14:48:05.293Z",
"dateUpdated": "2025-12-16T15:06:18.941Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2025-68300\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-16T16:16:09.513\",\"lastModified\":\"2025-12-18T15:08:06.237\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nfs/namespace: fix reference leak in grab_requested_mnt_ns\\n\\nlookup_mnt_ns() already takes a reference on mnt_ns.\\ngrab_requested_mnt_ns() doesn\u0027t need to take an extra reference.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/4a16b2a0c1f033f95f5d0b98b9e40e8bf7c4c2c5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7b6dcd9bfd869eee7693e45b1817dac8c56e5f86\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fe256e59b8e7f126b2464ee32bd9fee131f0a883\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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