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cyrano@piefed.social to Selfhosted@lemmy.worldEnglish · 1 month ago

Copy Fail – CVE-2026-31431

copy.fail

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  • cross-posted to:
  • cybersecurity@sh.itjust.works
  • linux@lemmy.ml
  • selfhosted@lemmy.world
  • security@lemmy.ml
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Copy Fail – CVE-2026-31431

copy.fail

cyrano@piefed.social to Selfhosted@lemmy.worldEnglish · 1 month ago
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4
fedilink
  • cross-posted to:
  • cybersecurity@sh.itjust.works
  • linux@lemmy.ml
  • selfhosted@lemmy.world
  • security@lemmy.ml
  • cybersecurity@sh.itjust.works
  • linux@programming.dev
  • linux@lemmy.ml
Copy Fail — 732 Bytes to Root
copy.fail
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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

Comments

  • TomAwezome@lemmy.world
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    1 month ago

    They have shipped out an update mitigation for the issue. http://ubuntu.com/blog/copy-fail-vulnerability-fixes-available

    sudo apt update && sudo apt upgrade

    and after that, also do the steps listed on that page for running rmmod and grepping for the affected module unloaded

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