CVE-2020-24371 – lgc.c in Lua 5.4.0 mishandles the interaction between barriers and the sw

lgc.c in Lua 5.4.0 mishandles the interaction between barriers and the sweep phase, leading to a memory access violation involving collectgarbage.

 

Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24371

Reference (s):

• https://github.com/lua/lua/commit/a6da1472c0c5e05ff249325f979531ad51533110
• https://www.lua.org/bugs.html#5.4.0-10