Vulnerability-Lookup

GHSA-2P2X-PX9W-6J23

Vulnerability from github – Published: 2026-06-24 18:32 – Updated: 2026-07-14 18:31

Details

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

ceph: fix a buffer leak in __ceph_setxattr()

The old_blob in __ceph_setxattr() can store ci->i_xattrs.prealloc_blob value during the retry. However, it is never called the ceph_buffer_put() for the old_blob object. This patch fixes the issue of the buffer leak.

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-2026-52962"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-24T17:17:06Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nceph: fix a buffer leak in __ceph_setxattr()\n\nThe old_blob in __ceph_setxattr() can store\nci-\u003ei_xattrs.prealloc_blob value during the retry.\nHowever, it is never called the ceph_buffer_put()\nfor the old_blob object. This patch fixes the issue of\nthe buffer leak.",
  "id": "GHSA-2p2x-px9w-6j23",
  "modified": "2026-07-14T18:31:49Z",
  "published": "2026-06-24T18:32:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-52962"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3fa13ceefbc5f36131110342743994cb3de80637"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4bfdcefdaa6092a06cacd59389c7756b36e6de8c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/521e5aba857fd267624892c8dd6295f22ce0267e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7d3e8d2d648d5f0df29b4710246680f47695fe94"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bc7abce4460e490dcb579eec770f175b150b685f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d0cb994605c84a159c1d00d72cdc8583c321ef95"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ecf94823c5c6a20790bb76ed2816822b0beb0c22"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-52962 (GCVE-0-2026-52962)

Vulnerability from cvelistv5 – Published: 2026-06-24 16:28 – Updated: 2026-06-29 04:18

Title

ceph: fix a buffer leak in __ceph_setxattr()

Summary

In the Linux kernel, the following vulnerability has been resolved: ceph: fix a buffer leak in __ceph_setxattr() The old_blob in __ceph_setxattr() can store ci->i_xattrs.prealloc_blob value during the retry. However, it is never called the ceph_buffer_put() for the old_blob object. This patch fixes the issue of the buffer leak.

Severity

No CVSS data available.

Assigner

Linux mitre root Scorecard

References

8 references

URL	Tags
https://git.kernel.org/stable/c/521e5aba857fd2676…
https://git.kernel.org/stable/c/d0cb994605c84a159…
https://git.kernel.org/stable/c/ecf94823c5c6a2079…
https://git.kernel.org/stable/c/4bfdcefdaa6092a06…
https://git.kernel.org/stable/c/7d3e8d2d648d5f0df…
https://git.kernel.org/stable/c/3fa13ceefbc5f3613…
https://git.kernel.org/stable/c/bc7abce4460e490dc…
https://git.kernel.org/stable/c/5d3cc36b4e77a27ce…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < 521e5aba857fd267624892c8dd6295f22ce0267e (git) Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < d0cb994605c84a159c1d00d72cdc8583c321ef95 (git) Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < ecf94823c5c6a20790bb76ed2816822b0beb0c22 (git) Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < 4bfdcefdaa6092a06cacd59389c7756b36e6de8c (git) Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < 7d3e8d2d648d5f0df29b4710246680f47695fe94 (git) Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < 3fa13ceefbc5f36131110342743994cb3de80637 (git) Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < bc7abce4460e490dcb579eec770f175b150b685f (git) Affected: 86968ef21596515958d5f0a40233d02be78ecec0 , < 5d3cc36b4e77a27ce7b686b7c59c7072bcb3fa8e (git) Affected: 1d86cb8d3204337e1853b84d69ea0f30dc0ba973 (git) Affected: 9cec64d3f6d91da590cc4069172254067b43d0b2 (git) Affected: de30fc2ca852365ed635f62d7d818bffc15e55c9 (git) Affected: dfb8712c7acce0689aed6c400a22b35f4d2861fe (git) Affected: f41cd559f1f3412db8e0acdede05ecf990ebfd8a (git) Affected: 4.4.192 , < 4.5 (semver) Affected: 4.9.192 , < 4.10 (semver) Affected: 4.14.143 , < 4.15 (semver) Affected: 4.19.72 , < 4.20 (semver) Affected: 5.2.14 , < 5.3 (semver)
Linux	Linux	Affected: 5.3 Unaffected: 0 , < 5.3 (semver) Unaffected: 5.10.258 , ≤ 5.10.* (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.141 , ≤ 6.6.* (semver) Unaffected: 6.12.91 , ≤ 6.12.* (semver) Unaffected: 6.18.33 , ≤ 6.18.* (semver) Unaffected: 7.0.10 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
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        {
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          "programFiles": [
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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-2P2X-PX9W-6J23

CVE-2026-52962 (GCVE-0-2026-52962)

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Nomenclature

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