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this post was submitted on 02 May 2026
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Ubuntu is one of the most used distros in both desktop and server environments. Take down the update servers, can’t patch CopyFail. Can’t patch CopyFail, more time to access affected systems.
That’s my paranoid take anyway.
Normally patches roll out before the vulnerability is disclosed. But I honestly don't know the status on CopyFail
Most distros delivered patched kernels well before the vulnerability was publicly disclosed. Not sure if Ubuntu did but they had ample time to do so.
@Jesus_666 @kamstrup its my understanding that this actually hasn’t been patched in most distributions. The ubuntu statement says they released mitigations and disabled the kernel module affected but that patches will be released. according to a post on linkedin made yesterday and a video attached to it demonstrating the exploit on a current kali release it hasnt been fixed
Yeah, I turned out to be slightly misinformed. The kernel sources had a fix for a while now and fast moving distros like Arch immediately picked them up. But nobody except the kernel devs was told about the vuln and so nobody expedited deployment of a fixed kernel. Ouch.