The xz package that has already entered the current F40 pre-release versions/variants and rawhide contains malicious code. This does NOT affect users of the Fedora releases (F38, F39 are thus not affected), but all users who use already F40 pre-release versions/variants or rawhide shall read this: Article: CVE details: https://access.redhat.com/security/cve/CVE-2024-3094 Be aware that this is CVE criticality 10: this is the highest risk factor. Also be aware that the header of the RH arti...
Running Ubuntu 23.10 with xz-utils 5.41 which is unaffected. Versions 5.6.0 and 5.6.1 are the malicious packages. I used Synaptic Package Manager to search for it.
The bad actor had a launchpad bug to pull it into the Ubuntu LTS beta. Serious kudos to the person who discovered it, literally in the nick of time.
Same story with Fedora
On Ubuntu the only affected people were those running the prerelease of Ubuntu 24.04 who had installed the update from the
proposed
pocket.