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Edit July 18 13h50 Thanks to everyone for their help and suggestions. The problem is "not solved" per say, but through the suggestions I received, I have enough stuff to read and to try. Thanks to the community!
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Hello to all, hope everyone is having a good week up to now. Starting with the latest kernel updates, 2 weird things happen to me. The first one was last week, I was just watching a video on Instagram when suddenly a window appears and ask my password to perform an operation(see the attached file). I stopped everything and used Clonezilla to return to a backup of the week before . I did not go on my PC before yesterday, so when I connect I do all the security updates(including kernel updates), everything seems fine but later in the evening I was listening to music, my screen closes to save energy, when I come back I move the mouse for the screen to re-appear and there is a window telling me "tls certificate error", I did not have time to take a screenshot and I did not know what to look for in the process list.
Like I said, last week I used Clonezilla to restore my Ubuntu disk and did the same with Windows disk and just to be sure I re-flashed my bios because after the first incident, each time I was booting and it came to grub, my cpu fan was running abnormally fast like if there was an intense cpu workload.
I do not want to be paranoid but 2 weird things happening like that after kernel updates is starting to remind me of the "YZ" backdoor problem we had in April. I am not saying that it's that(XZ), but I am wondering if someone did something similar to the kernels.
Did something like that happen to anyone else in the last 2-3 weeks?
Should I be posting this in the security section?
Cheers
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