---
id: CVE-2026-52960
title: |-
  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 f…
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 f…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
published: '2026-06-24'
updated: '2026-06-29'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-52960'
references:
  - url: 'https://git.kernel.org/stable/c/544576f0f05c4a759806acddfaaeb686f14fb4b0'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/86921e890fe1dea9791fb70bec552516fd47716a'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52960.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-52960'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2492262'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-52960'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-52960'
  - url: >-
      https://lore.kernel.org/linux-cve-announce/2026062436-CVE-2026-52960-9da2@gregkh/T
tags:
  - nvd
  - csaf
  - vex
  - red-hat
  - score-dispute
epss: 0.00488
epssPercentile: 0.39327
ingestedAt: '2026-06-29T13:42:11.992Z'
vendor: Red Hat
product: Red Hat Enterprise Linux 9
affected:
  - enterprise_linux 10
  - enterprise_linux 7
  - enterprise_linux 8
  - enterprise_linux 9
cwe:
  - CWE-911
scores:
  nvd: 7.5
  vendor: 3.3
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · updated 2026-09-08 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52960.json)