The last updates to PS (v.26), CameraRaw (v.17) and LRC (v.14.0.1) have left updater files in the /tmp/ folder of macOS 15.0.1. I assume they usually are deleted after the updates are installed. I noticed as a daily run of Intego Virus Barrier reports them as malware. I deleted them manually and solved the issue, and I expect if I had a reason to reboot my M2 MBA that would also have cleared them.
I haven't seen this before, so I thought I should report it.