github - ghsa-756h-2p6r-crqr

GHSA-756H-2P6R-CRQR

Vulnerability from github – Published: 2025-12-24 15:30 – Updated: 2025-12-24 15:30

Details

In the Linux kernel, the following vulnerability has been resolved:

fs: drop peer group ids under namespace lock

When cleaning up peer group ids in the failure path we need to make sure to hold on to the namespace lock. Otherwise another thread might just turn the mount from a shared into a non-shared mount concurrently.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-54128"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-24T13:16:14Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs: drop peer group ids under namespace lock\n\nWhen cleaning up peer group ids in the failure path we need to make sure\nto hold on to the namespace lock. Otherwise another thread might just\nturn the mount from a shared into a non-shared mount concurrently.",
  "id": "GHSA-756h-2p6r-crqr",
  "modified": "2025-12-24T15:30:39Z",
  "published": "2025-12-24T15:30:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-54128"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0af8fae81d8b7f1beddc17c5d4cfa43235134648"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/65c324d3f35c05e37afec39ac80743583fdcc96c"
    },
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      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cb2239c198ad9fbd5aced22cf93e45562da781eb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ddca03d97daa7b07b60c52e3d3060762732c6666"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2023-54128 (GCVE-0-2023-54128)

Vulnerability from cvelistv5 – Published: 2025-12-24 13:06 – Updated: 2025-12-24 13:06

Title

fs: drop peer group ids under namespace lock

Summary

In the Linux kernel, the following vulnerability has been resolved: fs: drop peer group ids under namespace lock When cleaning up peer group ids in the failure path we need to make sure to hold on to the namespace lock. Otherwise another thread might just turn the mount from a shared into a non-shared mount concurrently.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/0af8fae81d8b7f1be…
	https://git.kernel.org/stable/c/ddca03d97daa7b07b…
	https://git.kernel.org/stable/c/65c324d3f35c05e37…
	https://git.kernel.org/stable/c/cb2239c198ad9fbd5…

Impacted products

Vendor

Product

Version

Linux

Affected: 2a1867219c7b27f928e2545782b86daaf9ad50bd , < 0af8fae81d8b7f1beddc17c5d4cfa43235134648 (git)
Affected: 2a1867219c7b27f928e2545782b86daaf9ad50bd , < ddca03d97daa7b07b60c52e3d3060762732c6666 (git)
Affected: 2a1867219c7b27f928e2545782b86daaf9ad50bd , < 65c324d3f35c05e37afec39ac80743583fdcc96c (git)
Affected: 2a1867219c7b27f928e2545782b86daaf9ad50bd , < cb2239c198ad9fbd5aced22cf93e45562da781eb (git)

Linux

Affected: 5.12
Unaffected: 0 , < 5.12 (semver)
Unaffected: 5.15.107 , ≤ 5.15.* (semver)
Unaffected: 6.1.24 , ≤ 6.1.* (semver)
Unaffected: 6.2.11 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)

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      "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": [
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              "status": "affected",
              "version": "2a1867219c7b27f928e2545782b86daaf9ad50bd",
              "versionType": "git"
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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

GHSA-756H-2P6R-CRQR

CVE-2023-54128 (GCVE-0-2023-54128)

Tags

Sightings

Nomenclature