Bug 1870230 (CVE-2020-24369) - CVE-2020-24369 lua: NULL pointer dereference when trying to access debug information via the line hook of a stripped function
Summary: CVE-2020-24369 lua: NULL pointer dereference when trying to access debug info...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-24369
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1870295
TreeView+ depends on / blocked
 
Reported: 2020-08-19 15:13 UTC by Guilherme de Almeida Suckevicz
Modified: 2020-08-20 15:15 UTC (History)
9 users (show)

Fixed In Version:
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Last Closed: 2020-08-20 15:15:16 UTC
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Description Guilherme de Almeida Suckevicz 2020-08-19 15:13:10 UTC 
ldebug.c in Lua 5.4.0 attempts to access debug information via the line hook of a stripped function, leading to a NULL pointer dereference.

Reference:
https://www.lua.org/bugs.html#5.4.0-12

Upstream commit:
https://github.com/lua/lua/commit/ae5b5ba529753c7a653901ffc29b5ea24c3fdf3a
Comment 1 Tom "spot" Callaway 2020-08-19 17:20:05 UTC 
Fixed in lua-5.4.0-5.fc33 and lua-5.4.0-5.fc34.
Comment 2 Product Security DevOps Team 2020-08-20 15:15:16 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-24369
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