CVE-2025-22072 (GCVE-0-2025-22072)
Vulnerability from cvelistv5 – Published: 2025-04-16 14:12 – Updated: 2026-08-05 11:56
VLAI
EPSS
VEX
Title
spufs: fix gang directory lifetimes
Summary
In the Linux kernel, the following vulnerability has been resolved:
spufs: fix gang directory lifetimes
prior to "[POWERPC] spufs: Fix gang destroy leaks" we used to have
a problem with gang lifetimes - creation of a gang returns opened
gang directory, which normally gets removed when that gets closed,
but if somebody has created a context belonging to that gang and
kept it alive until the gang got closed, removal failed and we
ended up with a leak.
Unfortunately, it had been fixed the wrong way. Dentry of gang
directory was no longer pinned, and rmdir on close was gone.
One problem was that failure of open kept calling simple_rmdir()
as cleanup, which meant an unbalanced dput(). Another bug was
in the success case - gang creation incremented link count on
root directory, but that was no longer undone when gang got
destroyed.
Fix consists of
* reverting the commit in question
* adding a counter to gang, protected by ->i_rwsem
of gang directory inode.
* having it set to 1 at creation time, dropped
in both spufs_dir_close() and spufs_gang_close() and bumped
in spufs_create_context(), provided that it's not 0.
* using simple_recursive_removal() to take the gang
directory out when counter reaches zero.
Severity
7.8 (High)
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
877907d37da9694a34adc9dc3e2ce09400148cb5 , < 880e7b3da2e765c1f90c94c0539be039e96c7062
(git)
Affected: 877907d37da9694a34adc9dc3e2ce09400148cb5 , < 324f280806aab28ef757aecc18df419676c10ef8 (git) Affected: 877907d37da9694a34adc9dc3e2ce09400148cb5 , < 029d8c711f5e5fe8cf63e8a4a1a140a06e224e45 (git) Affected: 877907d37da9694a34adc9dc3e2ce09400148cb5 , < 903733782f3ae28a2f7fe4dfb47c7fe3e079a528 (git) Affected: 877907d37da9694a34adc9dc3e2ce09400148cb5 , < fc646a6c6d14b5d581f162a7e32999f789e3a3ac (git) Affected: 877907d37da9694a34adc9dc3e2ce09400148cb5 , < c134deabf4784e155d360744d4a6a835b9de4dd4 (git) |
guessed | |
| Linux | Linux |
Affected:
2.6.22
Unaffected: 0 , < 2.6.22 (semver) Unaffected: 6.1.134 , ≤ 6.1.* (semver) Unaffected: 6.6.87 , ≤ 6.6.* (semver) Unaffected: 6.12.23 , ≤ 6.12.* (semver) Unaffected: 6.13.11 , ≤ 6.13.* (semver) Unaffected: 6.14.2 , ≤ 6.14.* (semver) Unaffected: 6.15 , ≤ * (original_commit_for_fix) |
guessed |
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{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2025-04-16T15:16:01.390",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/029d8c711f5e5fe8cf63e8a4a1a140a06e224e45"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/324f280806aab28ef757aecc18df419676c10ef8"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/880e7b3da2e765c1f90c94c0539be039e96c7062"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/903733782f3ae28a2f7fe4dfb47c7fe3e079a528"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/c134deabf4784e155d360744d4a6a835b9de4dd4"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
],
"url": "https://git.kernel.org/stable/c/fc646a6c6d14b5d581f162a7e32999f789e3a3ac"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "None",
"current_release_date": "2026-06-30T10:13:19+00:00",
"cve": "CVE-2025-22072",
"id": "CVE-2025-22072",
"initial_release_date": "2025-04-16T00:00:00+00:00",
"product_status:known_not_affected": "274",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: spufs: fix gang directory lifetimes",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-22072.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-01T13:51:19Z",
"cve": "CVE-2025-22072",
"id": "CVE-2025-22072",
"initial_release_date": "2025-04-18T23:19:59Z",
"product_status:known_affected": "324",
"product_status:known_not_affected": "233",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2025-22072",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-22072.json",
"version": "18"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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