ExecutableStacks

Differences between revisions 8 and 10 (spanning 2 versions)

There are still some programs that have executable stack regions.

open bugs in LP
check an ELF binary: "readelf -lW $BIN | grep GNU_STACK" shows with "E" flag.
Gentoo write-up of what to do: http://www.gentoo.org/proj/en/hardened/gnu-stack.xml
-Wl,-z,noexecstack will change the behavior of asm without stack markings.

Main/Restricted Packages

Originally generated from the ELF files with executable stacks in Karmic main.

Uses Nested Functions which compiler generates as trampolines on the stack.

SecurityTeam/Roadmap/ExecutableStacks (last edited 2017-08-22 14:25:31 by jdstrand)

-  ⇤ ← Revision 8 as of 2009-08-03 16:10:34 → 
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+   ← Revision 10 as of 2009-08-03 17:10:28 → ⇥
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-  * check an ELF binary: "readelf -l $BIN | grep GNU_STACK" shows with "E" flag.
+  * check an ELF binary: "readelf -lW $BIN | grep GNU_STACK" shows with "E" flag.
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+  * -Wl,-z,noexecstack will change the behavior of asm without stack markings.