Vulnerability-Lookup

GHSA-RH24-Q2XR-HFGM

Vulnerability from github – Published: 2024-05-21 18:31 – Updated: 2025-11-04 00:30

Details

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

gfs2: Fix slab-use-after-free in gfs2_qd_dealloc

In gfs2_put_super(), whether withdrawn or not, the quota should be cleaned up by gfs2_quota_cleanup().

Otherwise, struct gfs2_sbd will be freed before gfs2_qd_dealloc (rcu callback) has run for all gfs2_quota_data objects, resulting in use-after-free.

Also, gfs2_destroy_threads() and gfs2_quota_cleanup() is already called by gfs2_make_fs_ro(), so in gfs2_put_super(), after calling gfs2_make_fs_ro(), there is no need to call them again.

Severity

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2023-52760"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-21T16:15:15Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Fix slab-use-after-free in gfs2_qd_dealloc\n\nIn gfs2_put_super(), whether withdrawn or not, the quota should\nbe cleaned up by gfs2_quota_cleanup().\n\nOtherwise, struct gfs2_sbd will be freed before gfs2_qd_dealloc (rcu\ncallback) has run for all gfs2_quota_data objects, resulting in\nuse-after-free.\n\nAlso, gfs2_destroy_threads() and gfs2_quota_cleanup() is already called\nby gfs2_make_fs_ro(), so in gfs2_put_super(), after calling\ngfs2_make_fs_ro(), there is no need to call them again.",
  "id": "GHSA-rh24-q2xr-hfgm",
  "modified": "2025-11-04T00:30:49Z",
  "published": "2024-05-21T18:31:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52760"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/08a28272faa750d4357ea2cb48d2baefd778ea81"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7ad4e0a4f61c57c3ca291ee010a9d677d0199fba"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bdcb8aa434c6d36b5c215d02a9ef07551be25a37"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
    }
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    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-52760 (GCVE-0-2023-52760)

Vulnerability from cvelistv5 – Published: 2024-05-21 15:30 – Updated: 2026-08-05 09:11

Title

gfs2: Fix slab-use-after-free in gfs2_qd_dealloc

Summary

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in gfs2_qd_dealloc In gfs2_put_super(), whether withdrawn or not, the quota should be cleaned up by gfs2_quota_cleanup(). Otherwise, struct gfs2_sbd will be freed before gfs2_qd_dealloc (rcu callback) has run for all gfs2_quota_data objects, resulting in use-after-free. Also, gfs2_destroy_threads() and gfs2_quota_cleanup() is already called by gfs2_make_fs_ro(), so in gfs2_put_super(), after calling gfs2_make_fs_ro(), there is no need to call them again.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-05-22 18:26 UTC

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/08a28272faa750d43…
https://git.kernel.org/stable/c/bdcb8aa434c6d36b5…
https://git.kernel.org/stable/c/7ad4e0a4f61c57c3c…	x_transferred
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: f66af88e33212b57ea86da2c5d66c0d9d5c46344 , < 08a28272faa750d4357ea2cb48d2baefd778ea81 (git) Affected: f66af88e33212b57ea86da2c5d66c0d9d5c46344 , < bdcb8aa434c6d36b5c215d02a9ef07551be25a37 (git)
Linux	Linux	Affected: 6.6 Unaffected: 0 , < 6.6 (semver) Unaffected: 6.6.3 , ≤ 6.6.* (semver) Unaffected: 6.7 , ≤ * (original_commit_for_fix)

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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.

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.
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GHSA-RH24-Q2XR-HFGM

CVE-2023-52760 (GCVE-0-2023-52760)

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