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Description: x86: Old ELF binaries run with executable stack and data segment
References:
https://github.com/x0reaxeax/exec-prot-bypass
https://github.com/torvalds/linux/blob/1c33bb0507508af24fd754dd7123bd8e997fab2f/arch/x86/include/asm/elf.h#L281-L294
Notes:
bwh> This is necessary backward compatibility and can be disabled
bwh> through an LSM if wanted.
Bugs:
upstream: ignored "Not a security flaw"
5.10-upstream-stable: ignored "Not a security flaw"
4.19-upstream-stable: ignored "Not a security flaw"
4.9-upstream-stable: ignored "Not a security flaw"
sid: ignored "Not a security flaw"
5.10-bullseye-security: ignored "Not a security flaw"
4.19-buster-security: ignored "Not a security flaw"
4.9-stretch-security: ignored "Not a security flaw"
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