CVE-2026-45925: Linux kernel · thermal/of: Fix reference leak in thermal_of_cm_lookup()
Affects Linux kernelSource CVE Database V5
Not known to be exploited · fixed in a1fe789a96fe47733c133134fd264cb7ca832395 : update Linux kernel when convenient.
Data as of 6 Nov 2026, 16:20 UTC
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
Disclosed: evidence found.
CVE published 27 May 2026
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 6 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| 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
- git.kernel.org/stable/c/8af710156c53cdb392d529497ef2b3a10a1f9370 (opens in a new tab)
- git.kernel.org/stable/c/8344d5da9df74fdbef676214d0c482fc822a01ca (opens in a new tab)
- git.kernel.org/stable/c/025796ccd7f9f2e013e12319de26b6c021a80c1f (opens in a new tab)
- git.kernel.org/stable/c/a1fe789a96fe47733c133134fd264cb7ca832395 (opens in a new tab)