CVE-2026-52960

ceph: put folios not suitable for writeback

State: Published
Severity: 7.5 High
Published: Jun 24, 2026
Updated: Oct 21, 2026
Reserved: Jun 9, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	Linux

Weaknesses

CWE-401 Missing Release of Memory after Effective Lifetime

Affected Products

Product	Versions
LinuxLinux	ce80b76dd32764cc914975777e058d4fae4f0ea0 to before 349499a65b6b5fb6f66ba3673598ab558f48c544Affected ce80b76dd32764cc914975777e058d4fae4f0ea0 to before 86921e890fe1dea9791fb70bec552516fd47716aAffected ce80b76dd32764cc914975777e058d4fae4f0ea0 to before 544576f0f05c4a759806acddfaaeb686f14fb4b0Affected 0f2b2b7cacf888229cec19126e6791b11fb35f32Affected 6.12.114 to before 6.13Affected
LinuxLinux	6.15Affected before 6.15Not affected 6.18.57 through 6.18.Not affected 7.0.10 through 7.0.Not affected 7.1 and laterNot affected

References

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