Selfhosted@lemmy.worldEnglish · 24 days ago

Copy Fail – CVE-2026-31431

copy.fail

Copy Fail – CVE-2026-31431

copy.fail

cyrano@piefed.social to

Selfhosted@lemmy.worldEnglish · 24 days ago

Copy Fail — 732 Bytes to Root

copy.fail

CVE-2026-31431. 100% Reliable Linux LPE — no race, no per-distro offsets, page-cache write that bypasses on-disk file-integrity tools and crosses containers. Found by Xint Code.

cross-posted from: https://lemmy.bestiver.se/post/1076650

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corsicanguppy@lemmy.ca
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24 days ago
Do the sysctl fix and you’re fine to wait for a patch.
cyrano@piefed.socialOP
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24 days ago
Tested on Ubuntu 24.04. Security patching from Ubuntu does fix it. Scary vulnerability

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