Copy Fail – CVE-2026-31431
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Copy Fail – CVE-2026-31431
Copy Fail — 732 Bytes to Root
Copy Fail (CVE-2026-31431): a 732-byte Linux LPE — straight-line, no race, no per-distro offsets. Same Python script roots Ubuntu, Amazon Linux, RHEL, SUSE since 2017. Page-cache write bypasses on-disk file-integrity tools and crosses container boundaries. Found by Xint Code.
Xint (copy.fail)
#HackerNews #CopyFail #CVE2026 #Security #Vulnerability #HackerNews #TechNews
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