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.
  • Lee ( Lee@retrolemmy.com ) 
    5·
    6 months ago

    While the POC requires su, the underlying flaw potentially works on any setuid binary on systems with AF_ALG enabled (provided there isn’t something else preventing it).