'An hour of scan time is all it took': "Copy Fail" flaw impacts all Linux kernels released since 2017, so patch now or face the consequences
Security researchers have identified a critical privilege escalation vulnerability, dubbed 'CopyFail', affecting all Linux kernels released since 2017. The flaw, rooted in the kernel's crypto subsystem, allows unprivileged local users to gain root access by manipulating file cache data. Patches are available, and users are urged to update immediately to mitigate potential system compromises.
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Pro Security 'An hour of scan time is all it took': "Copy Fail" flaw impacts all Linux kernels released since 2017, so patch now or face the consequences News By Mike Moore published 1 May 2026 All Linux kernels since 2017 are vulnerable When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. (Image credit: sarayut Thaneerat/ via Getty Images) Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Threads Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter Experts reveal "CopyFail" flaw affecting Linux distrosAll Linux kernels released after 2017 are vulnerableUsers urged to patch now or risk account takeoverSecurity experts have warned of a major new…
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