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VulnerabilityPublished Updated

CVE-2025-38210: Linux kernel · configfs-tsm-report: Fix NULL dereference of tsm_ops

Source GCVE Database

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Authoritative record:CVE-2025-38210· Medium

Not known to be exploited · CVSS 5.5 Medium · fixed in fba4ceaa242d2bdf4c04b77bda41d32d02d3925d : update Linux kernel when convenient.

Data as of 13 Nov 2026, 20:05 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
Patch
Available – fixed in fba4ceaa242d2bdf4c04b77bda41d32d02d3925d, cefbafcbdef011d6ef9414902311afdfba3c33eb, 015f04ac884a454d4d8aaa7b67758f047742b1cf
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Jul 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Upgrade Linux kernel to fba4ceaa242d2bdf4c04b77bda41d32d02d3925d, cefbafcbdef011d6ef9414902311afdfba3c33eb or 015f04ac884a454d4d8aaa7b67758f047742b1cf.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 70e6f7e2b98575621019aa40ac616be58ff984e0, < fba4ceaa242d2bdf4c04b77bda41d32d02d3925d
Fixed in
  • fba4ceaa242d2bdf4c04b77bda41d32d02d3925d
LinuxLinuxAffected
  • ≥ 70e6f7e2b98575621019aa40ac616be58ff984e0, < cefbafcbdef011d6ef9414902311afdfba3c33eb
Fixed in
  • cefbafcbdef011d6ef9414902311afdfba3c33eb
LinuxLinuxAffected
  • ≥ 70e6f7e2b98575621019aa40ac616be58ff984e0, < 015f04ac884a454d4d8aaa7b67758f047742b1cf
Fixed in
  • 015f04ac884a454d4d8aaa7b67758f047742b1cf
LinuxLinuxAffected
  • =6.7
Fixed in–

AI-suggested

A fix has been implemented to add missing NULL checks for tsm_ops unregistration. Administrators should ensure that all open config-items are deleted before reloading or binding the ${tsm_arch}-guest driver to avoid probe failures. This coordinated restart process is necessary to safely handle tsm_ops unregistration and prevent kernel crashes. No additional mitigation is indicated.

Description

CVE-2025-38210 is a medium severity vulnerability in the Linux kernel's configfs-tsm-report component. It addresses a NULL pointer dereference issue related to the tsm_ops structure when it has been unregistered. Some functions failed to check if tsm_ops were still registered, leading to potential kernel crashes. The fix adds missing checks to prevent dereferencing NULL pointers. The vulnerability impacts the ability to safely unregister tsm_ops and requires coordinated deletion of lingering config-items to avoid driver reload failures.

References

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