CVE-2025-38210: Linux kernel · configfs-tsm-report: Fix NULL dereference of tsm_ops
Source GCVE Database
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
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:HExploitation evidence
Disclosed: evidence found.
CVE published 4 Jul 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| 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
- nvd.nist.gov/vuln/detail/CVE-2025-38210 (opens in a new tab)
- git.kernel.org/stable/c/015f04ac884a454d4d8aaa7b67758f047742b1cf (opens in a new tab)
- git.kernel.org/stable/c/cefbafcbdef011d6ef9414902311afdfba3c33eb (opens in a new tab)
- git.kernel.org/stable/c/fba4ceaa242d2bdf4c04b77bda41d32d02d3925d (opens in a new tab)