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

libceph: remove debugfs files before client teardown

ceph_destroy_client() tears down the monitor client before removing
the per-client debugfs files. A concurrent read of the monmap debugfs
file can enter monmap_show() after ceph_monc_stop() has freed
monc->monmap, triggering a use-after-free.

Remove the debugfs files before stopping the OSD and monitor clients.
debugfs_remove() drains active handlers and prevents new accesses, so
the debugfs callbacks can no longer race the rest of client teardown.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
76aa844d5b2fb8c839180d3f5874e333b297e5fd affected < fc1010e7e0204ece6cc0f9af4f473e9553535eab
76aa844d5b2fb8c839180d3f5874e333b297e5fd affected < d3dc8889d39a676bf840132bd5c5c48cb0daba23
76aa844d5b2fb8c839180d3f5874e333b297e5fd affected < 8f5a3abc54ba24dbceb14cc3a719908c4f688091
76aa844d5b2fb8c839180d3f5874e333b297e5fd affected < b9fedda2f628e030384228de0dafc574b7fb0c2f
76aa844d5b2fb8c839180d3f5874e333b297e5fd affected < e4c804726c4afce3ba648b982d564f6af2cfa328
Linux Linux affected
Version Status Constraints
2.6.34 affected —
0 unaffected < 2.6.34
6.6.148 unaffected ≤ 6.6.*
6.12.101 unaffected ≤ 6.12.*
6.18.42 unaffected ≤ 6.18.*
7.1.6 unaffected ≤ 7.1.*
7.2-rc5 unaffected ≤ *

No data.

No data.

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Fixes

Solution

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Workaround

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References
Link Providers
https://git.kernel.org/stable/c/8f5a3abc54ba24dbceb14cc3a719908c4f688091 cve-icon
https://git.kernel.org/stable/c/b9fedda2f628e030384228de0dafc574b7fb0c2f cve-icon
https://git.kernel.org/stable/c/d3dc8889d39a676bf840132bd5c5c48cb0daba23 cve-icon
https://git.kernel.org/stable/c/e4c804726c4afce3ba648b982d564f6af2cfa328 cve-icon
https://git.kernel.org/stable/c/fc1010e7e0204ece6cc0f9af4f473e9553535eab cve-icon
History

Mon, 10 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416

Mon, 10 Aug 2026 12:30:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: libceph: remove debugfs files before client teardown ceph_destroy_client() tears down the monitor client before removing the per-client debugfs files. A concurrent read of the monmap debugfs file can enter monmap_show() after ceph_monc_stop() has freed monc->monmap, triggering a use-after-free. Remove the debugfs files before stopping the OSD and monitor clients. debugfs_remove() drains active handlers and prevents new accesses, so the debugfs callbacks can no longer race the rest of client teardown.
Title libceph: remove debugfs files before client teardown
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-08-10T11:59:19.302Z

Reserved: 2026-07-30T09:28:09.371Z

Link: CVE-2026-68153

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-10T19:15:17Z

Weaknesses