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theori-io/copy-fail-CVE-2026-31431

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Copy Fail (CVE-2026-31431): 9-year-old Linux kernel LPE found by Theori's Xint Code

5 mentions on Hacker News by 4 people: 0 stories, 5 comments · first 2026-04-29 · latest 2026-05-05

Mentions per year 5 mentions · busiest year 2026 (5)
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  1. Exploit download/source: https://github.com/theori-io/copy-fail-CVE-2026-31431/blob/m... The dedicated website: https://copy.fail
    comment by itvision · 2026-05-05 · in CVE-2026-31431: Copy Fail vs. rootless containers
  2. …some discussion on the GitHub issues about workarounds to disable it, even though it is baked in. https://github.com/theori-io/copy-fail-CVE-2026-31431/issues... https://github.com/theori-io/copy-fail-CVE-2026-31431/issues...
    comment by jcul · 2026-04-30 · in For Linux kernel vulnerabilities, there is no heads-up to distributions
  3. …are also some good threads on which distros are vulnerable and mitigations on the github page. https://github.com/theori-io/copy-fail-CVE-2026-31431/issues
    comment by jcul · 2026-04-30 · in Copy Fail
  4. …legit, but the script is very phishy and I wouldn't run it in unvirtualized or disposable systems. https://github.com/theori-io/copy-fail-CVE-2026-31431/blob/m... >zlib.decompress(d("78daab77f57163626464800126063b0610af82c101cc7760c0040e0c1…
    comment by TZubiri · 2026-04-30 · in Copy Fail
  5. …of any code that used this. Anyway, I could go on. :) Let's just stop fetishizing byte count [1] https://github.com/theori-io/copy-fail-CVE-2026-31431/blob/m...
    comment by smlacy · 2026-04-29 · in Copy Fail