Re: CVE-2026-31431: CopyFail: linux local privilege scalation

[Roman Medina-Heigl Hernandez <roman () rs-labs com>]

El 30/04/2026 a las 3:52, Solar Designer escribió:
> Another curious detail is the exploit needs Python newer than EL9
> installs by default, which might slow down some script kiddies a little
> bit.  The above Python 3.11 worked (before the mitigation), but Rocky
> Linux 9.7's default install of 3.9 did not (has no os.splice).

Well, script kiddies can still build these exploits static-ELF and 
upload to vulnerable boxes for an easy pwning:

https://github.com/tgies/copy-fail-c

https://github.com/badsectorlabs/copyfail-go


--
Saludos,
-Román