Vulnerability-Lookup

GHSA-928W-8WHM-4CQ9

Vulnerability from github – Published: 2026-06-24 18:32 – Updated: 2026-06-28 09:31

Details

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

ceph: put folios not suitable for writeback

The batch holds references to the folios (see filemap_get_folios, folio_batch_release), so we need to folio_put the folios we remove.

Tested on v6.18.

Severity

7.5 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-52960"
  ],
  "database_specific": {
    "cwe_ids": [],
    "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: put folios not suitable for writeback\n\nThe batch holds references to the folios (see `filemap_get_folios`,\n`folio_batch_release`), so we need to `folio_put` the folios we remove.\n\nTested on v6.18.",
  "id": "GHSA-928w-8whm-4cq9",
  "modified": "2026-06-28T09:31:37Z",
  "published": "2026-06-24T18:32:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-52960"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/544576f0f05c4a759806acddfaaeb686f14fb4b0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/86921e890fe1dea9791fb70bec552516fd47716a"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-52960 (GCVE-0-2026-52960)

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

Title

ceph: put folios not suitable for writeback

Summary

In the Linux kernel, the following vulnerability has been resolved: ceph: put folios not suitable for writeback The batch holds references to the folios (see `filemap_get_folios`, `folio_batch_release`), so we need to `folio_put` the folios we remove. Tested on v6.18.

Severity

7.5 (High)


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

Assigner

Linux

References

2 references

URL	Tags
https://git.kernel.org/stable/c/86921e890fe1dea97…
https://git.kernel.org/stable/c/544576f0f05c4a759…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: ce80b76dd32764cc914975777e058d4fae4f0ea0 , < 86921e890fe1dea9791fb70bec552516fd47716a (git) Affected: ce80b76dd32764cc914975777e058d4fae4f0ea0 , < 544576f0f05c4a759806acddfaaeb686f14fb4b0 (git)
Linux	Linux	Affected: 6.15 Unaffected: 0 , < 6.15 (semver) Unaffected: 7.0.10 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ceph/addr.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
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              "status": "affected",
              "version": "ce80b76dd32764cc914975777e058d4fae4f0ea0",
              "versionType": "git"
            },
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              "lessThan": "544576f0f05c4a759806acddfaaeb686f14fb4b0",
              "status": "affected",
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          ]
        },
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          "programFiles": [
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          "versions": [
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              "version": "6.15"
            },
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              "version": "0",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "7.0.10",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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        }
      ],
      "metrics": [
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          "cvssV3_1": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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    "cveId": "CVE-2026-52960",
    "datePublished": "2026-06-24T16:28:41.044Z",
    "dateReserved": "2026-06-09T07:44:35.373Z",
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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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-928W-8WHM-4CQ9

CVE-2026-52960 (GCVE-0-2026-52960)

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Sightings

Nomenclature