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VulnerabilityPublished Updated

CVE-2026-45925: Linux kernel · thermal/of: Fix reference leak in thermal_of_cm_lookup()

Affects Linux kernelSource CVE Database V5

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Not known to be exploited · fixed in a1fe789a96fe47733c133134fd264cb7ca832395 : update Linux kernel when convenient.

Data as of 6 Nov 2026, 16:20 UTC

Severity
Low

Rated Low by Threat Radar's AI analysis · No CVSS score from NVD or the CNA

Thin evidence

One scorer or none
CISA SSVC
Exploitation
No evidence of active exploitation and no public proof of concept
Automatable
Attackers cannot reliably automate steps 1–4 of the kill chain
Technical impact
Limited control over the software or limited information exposure

CISA SSVC assessment, 2026-11-06.

Patch
Available – fixed in a1fe789a96fe47733c133134fd264cb7ca832395, 025796ccd7f9f2e013e12319de26b6c021a80c1f, 8344d5da9df74fdbef676214d0c482fc822a01ca +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 May 2026

  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 6 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • >=6.12.18 <6.12.75
  • >=6.13.6 <6.14
Fixed in
  • a1fe789a96fe47733c133134fd264cb7ca832395
  • 025796ccd7f9f2e013e12319de26b6c021a80c1f
  • 8344d5da9df74fdbef676214d0c482fc822a01ca
  • 8af710156c53cdb392d529497ef2b3a10a1f9370
  • 6.14
  • 6.12.75
LinuxLinuxAffected
  • =6.14
Fixed in–

AI-suggested

The vulnerability has been fixed in Linux kernel versions 6.12.75, 6.14, and corresponding commits. Users and administrators should upgrade to these fixed versions to remediate the issue.

Description

A reference leak vulnerability was identified and fixed in the Linux kernel function thermal_of_cm_lookup(). The issue involved a device node obtained via of_parse_phandle() that was never released, causing a resource leak. The fix applies automatic release of the node using the __free(device_node) cleanup attribute.

References

Community reviews

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