UBUNTU-CVE-2026-43332
In the Linux kernel, the following vulnerability has been resolved: thermal: core: Fix thermal zone device registration error path If thermal_zone_device_register_with_trips() fails after registering a thermal zone device, it needs to wait for the tz->removal completion like thermal_zone_device_unregister(), in case user space has managed to take a reference to the thermal zone device's kobject, in which case thermal_release() may not be called by the error path itself and tz may be freed prematurely. Add the missing wait_for_completion() call to the thermal zone device registration error path.
02 / AFFECTED SOFTWARE
Affected packages
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43 explicit affected versions
16 explicit affected versions
10 explicit affected versions
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78 explicit affected versions
14 explicit affected versions
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1 explicit affected versions
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03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: thermal: core: Fix thermal zone device registration error path If thermal_zone_device_register_with_trips() fails after registering a thermal zone device, it needs to wait for the tz->removal completion like thermal_zone_device_unregister(), in case user space has managed to take a reference to the thermal zone device's kobject, in which case thermal_release() may not be called by the error path itself and tz may be freed prematurely. Add the missing wait_for_completion() call to the thermal zone device registration error path.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/9e07e3b81807edd356e1f794cffa00a428eff443
- https://git.kernel.org/stable/c/4d390f0e507dfb16d58f83a58d78d1150dc8b9d7
- https://git.kernel.org/stable/c/604da9c04c218362e1c1457304ebeb9c199d537c
- https://git.kernel.org/stable/c/9e07e3b81807edd356e1f794cffa00a428eff443
- https://git.kernel.org/stable/c/9e796001af97a1f7368d5114b7a8533dd98d797a
- https://git.kernel.org/stable/c/c4c7219e93319bba9ba0765dee597784c78f63c5
- https://ubuntu.com/security/CVE-2026-43332
- https://ubuntu.com/security/notices/USN-8567-1
- https://ubuntu.com/security/notices/USN-8574-1
- https://ubuntu.com/security/notices/USN-8574-2
- https://ubuntu.com/security/notices/USN-8574-3
- https://ubuntu.com/security/notices/USN-8595-1
- https://ubuntu.com/security/notices/USN-8595-2
- https://ubuntu.com/security/notices/USN-8595-3
- https://ubuntu.com/security/notices/USN-8596-1
- https://ubuntu.com/security/notices/USN-8606-1
- https://ubuntu.com/security/notices/USN-8607-1
- https://ubuntu.com/security/notices/USN-8608-1
- https://ubuntu.com/security/notices/USN-8609-1
- https://ubuntu.com/security/notices/USN-8619-1
- https://www.cve.org/CVERecord?id=CVE-2026-43332